1 //===---- CGBuiltin.cpp - Emit LLVM Code for builtins ---------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This contains code to emit Builtin calls as LLVM code.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "TargetInfo.h"
15 #include "CodeGenFunction.h"
16 #include "CodeGenModule.h"
17 #include "CGObjCRuntime.h"
18 #include "clang/Basic/TargetInfo.h"
19 #include "clang/AST/ASTContext.h"
20 #include "clang/AST/Decl.h"
21 #include "clang/Basic/TargetBuiltins.h"
22 #include "llvm/Intrinsics.h"
23 #include "llvm/Target/TargetData.h"
24 
25 using namespace clang;
26 using namespace CodeGen;
27 using namespace llvm;
28 
29 /// getBuiltinLibFunction - Given a builtin id for a function like
30 /// "__builtin_fabsf", return a Function* for "fabsf".
31 llvm::Value *CodeGenModule::getBuiltinLibFunction(const FunctionDecl *FD,
32                                                   unsigned BuiltinID) {
33   assert(Context.BuiltinInfo.isLibFunction(BuiltinID));
34 
35   // Get the name, skip over the __builtin_ prefix (if necessary).
36   StringRef Name;
37   GlobalDecl D(FD);
38 
39   // If the builtin has been declared explicitly with an assembler label,
40   // use the mangled name. This differs from the plain label on platforms
41   // that prefix labels.
42   if (FD->hasAttr<AsmLabelAttr>())
43     Name = getMangledName(D);
44   else
45     Name = Context.BuiltinInfo.GetName(BuiltinID) + 10;
46 
47   llvm::FunctionType *Ty =
48     cast<llvm::FunctionType>(getTypes().ConvertType(FD->getType()));
49 
50   return GetOrCreateLLVMFunction(Name, Ty, D, /*ForVTable=*/false);
51 }
52 
53 /// Emit the conversions required to turn the given value into an
54 /// integer of the given size.
55 static Value *EmitToInt(CodeGenFunction &CGF, llvm::Value *V,
56                         QualType T, llvm::IntegerType *IntType) {
57   V = CGF.EmitToMemory(V, T);
58 
59   if (V->getType()->isPointerTy())
60     return CGF.Builder.CreatePtrToInt(V, IntType);
61 
62   assert(V->getType() == IntType);
63   return V;
64 }
65 
66 static Value *EmitFromInt(CodeGenFunction &CGF, llvm::Value *V,
67                           QualType T, llvm::Type *ResultType) {
68   V = CGF.EmitFromMemory(V, T);
69 
70   if (ResultType->isPointerTy())
71     return CGF.Builder.CreateIntToPtr(V, ResultType);
72 
73   assert(V->getType() == ResultType);
74   return V;
75 }
76 
77 /// Utility to insert an atomic instruction based on Instrinsic::ID
78 /// and the expression node.
79 static RValue EmitBinaryAtomic(CodeGenFunction &CGF,
80                                llvm::AtomicRMWInst::BinOp Kind,
81                                const CallExpr *E) {
82   QualType T = E->getType();
83   assert(E->getArg(0)->getType()->isPointerType());
84   assert(CGF.getContext().hasSameUnqualifiedType(T,
85                                   E->getArg(0)->getType()->getPointeeType()));
86   assert(CGF.getContext().hasSameUnqualifiedType(T, E->getArg(1)->getType()));
87 
88   llvm::Value *DestPtr = CGF.EmitScalarExpr(E->getArg(0));
89   unsigned AddrSpace =
90     cast<llvm::PointerType>(DestPtr->getType())->getAddressSpace();
91 
92   llvm::IntegerType *IntType =
93     llvm::IntegerType::get(CGF.getLLVMContext(),
94                            CGF.getContext().getTypeSize(T));
95   llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace);
96 
97   llvm::Value *Args[2];
98   Args[0] = CGF.Builder.CreateBitCast(DestPtr, IntPtrType);
99   Args[1] = CGF.EmitScalarExpr(E->getArg(1));
100   llvm::Type *ValueType = Args[1]->getType();
101   Args[1] = EmitToInt(CGF, Args[1], T, IntType);
102 
103   llvm::Value *Result =
104       CGF.Builder.CreateAtomicRMW(Kind, Args[0], Args[1],
105                                   llvm::SequentiallyConsistent);
106   Result = EmitFromInt(CGF, Result, T, ValueType);
107   return RValue::get(Result);
108 }
109 
110 /// Utility to insert an atomic instruction based Instrinsic::ID and
111 /// the expression node, where the return value is the result of the
112 /// operation.
113 static RValue EmitBinaryAtomicPost(CodeGenFunction &CGF,
114                                    llvm::AtomicRMWInst::BinOp Kind,
115                                    const CallExpr *E,
116                                    Instruction::BinaryOps Op) {
117   QualType T = E->getType();
118   assert(E->getArg(0)->getType()->isPointerType());
119   assert(CGF.getContext().hasSameUnqualifiedType(T,
120                                   E->getArg(0)->getType()->getPointeeType()));
121   assert(CGF.getContext().hasSameUnqualifiedType(T, E->getArg(1)->getType()));
122 
123   llvm::Value *DestPtr = CGF.EmitScalarExpr(E->getArg(0));
124   unsigned AddrSpace =
125     cast<llvm::PointerType>(DestPtr->getType())->getAddressSpace();
126 
127   llvm::IntegerType *IntType =
128     llvm::IntegerType::get(CGF.getLLVMContext(),
129                            CGF.getContext().getTypeSize(T));
130   llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace);
131 
132   llvm::Value *Args[2];
133   Args[1] = CGF.EmitScalarExpr(E->getArg(1));
134   llvm::Type *ValueType = Args[1]->getType();
135   Args[1] = EmitToInt(CGF, Args[1], T, IntType);
136   Args[0] = CGF.Builder.CreateBitCast(DestPtr, IntPtrType);
137 
138   llvm::Value *Result =
139       CGF.Builder.CreateAtomicRMW(Kind, Args[0], Args[1],
140                                   llvm::SequentiallyConsistent);
141   Result = CGF.Builder.CreateBinOp(Op, Result, Args[1]);
142   Result = EmitFromInt(CGF, Result, T, ValueType);
143   return RValue::get(Result);
144 }
145 
146 /// EmitFAbs - Emit a call to fabs/fabsf/fabsl, depending on the type of ValTy,
147 /// which must be a scalar floating point type.
148 static Value *EmitFAbs(CodeGenFunction &CGF, Value *V, QualType ValTy) {
149   const BuiltinType *ValTyP = ValTy->getAs<BuiltinType>();
150   assert(ValTyP && "isn't scalar fp type!");
151 
152   StringRef FnName;
153   switch (ValTyP->getKind()) {
154   default: llvm_unreachable("Isn't a scalar fp type!");
155   case BuiltinType::Float:      FnName = "fabsf"; break;
156   case BuiltinType::Double:     FnName = "fabs"; break;
157   case BuiltinType::LongDouble: FnName = "fabsl"; break;
158   }
159 
160   // The prototype is something that takes and returns whatever V's type is.
161   llvm::FunctionType *FT = llvm::FunctionType::get(V->getType(), V->getType(),
162                                                    false);
163   llvm::Value *Fn = CGF.CGM.CreateRuntimeFunction(FT, FnName);
164 
165   return CGF.Builder.CreateCall(Fn, V, "abs");
166 }
167 
168 static RValue emitLibraryCall(CodeGenFunction &CGF, const FunctionDecl *Fn,
169                               const CallExpr *E, llvm::Value *calleeValue) {
170   return CGF.EmitCall(E->getCallee()->getType(), calleeValue,
171                       ReturnValueSlot(), E->arg_begin(), E->arg_end(), Fn);
172 }
173 
174 RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
175                                         unsigned BuiltinID, const CallExpr *E) {
176   // See if we can constant fold this builtin.  If so, don't emit it at all.
177   Expr::EvalResult Result;
178   if (E->EvaluateAsRValue(Result, CGM.getContext()) &&
179       !Result.hasSideEffects()) {
180     if (Result.Val.isInt())
181       return RValue::get(llvm::ConstantInt::get(getLLVMContext(),
182                                                 Result.Val.getInt()));
183     if (Result.Val.isFloat())
184       return RValue::get(llvm::ConstantFP::get(getLLVMContext(),
185                                                Result.Val.getFloat()));
186   }
187 
188   switch (BuiltinID) {
189   default: break;  // Handle intrinsics and libm functions below.
190   case Builtin::BI__builtin___CFStringMakeConstantString:
191   case Builtin::BI__builtin___NSStringMakeConstantString:
192     return RValue::get(CGM.EmitConstantExpr(E, E->getType(), 0));
193   case Builtin::BI__builtin_stdarg_start:
194   case Builtin::BI__builtin_va_start:
195   case Builtin::BI__builtin_va_end: {
196     Value *ArgValue = EmitVAListRef(E->getArg(0));
197     llvm::Type *DestType = Int8PtrTy;
198     if (ArgValue->getType() != DestType)
199       ArgValue = Builder.CreateBitCast(ArgValue, DestType,
200                                        ArgValue->getName().data());
201 
202     Intrinsic::ID inst = (BuiltinID == Builtin::BI__builtin_va_end) ?
203       Intrinsic::vaend : Intrinsic::vastart;
204     return RValue::get(Builder.CreateCall(CGM.getIntrinsic(inst), ArgValue));
205   }
206   case Builtin::BI__builtin_va_copy: {
207     Value *DstPtr = EmitVAListRef(E->getArg(0));
208     Value *SrcPtr = EmitVAListRef(E->getArg(1));
209 
210     llvm::Type *Type = Int8PtrTy;
211 
212     DstPtr = Builder.CreateBitCast(DstPtr, Type);
213     SrcPtr = Builder.CreateBitCast(SrcPtr, Type);
214     return RValue::get(Builder.CreateCall2(CGM.getIntrinsic(Intrinsic::vacopy),
215                                            DstPtr, SrcPtr));
216   }
217   case Builtin::BI__builtin_abs:
218   case Builtin::BI__builtin_labs:
219   case Builtin::BI__builtin_llabs: {
220     Value *ArgValue = EmitScalarExpr(E->getArg(0));
221 
222     Value *NegOp = Builder.CreateNeg(ArgValue, "neg");
223     Value *CmpResult =
224     Builder.CreateICmpSGE(ArgValue,
225                           llvm::Constant::getNullValue(ArgValue->getType()),
226                                                             "abscond");
227     Value *Result =
228       Builder.CreateSelect(CmpResult, ArgValue, NegOp, "abs");
229 
230     return RValue::get(Result);
231   }
232   case Builtin::BI__builtin_ctzs:
233   case Builtin::BI__builtin_ctz:
234   case Builtin::BI__builtin_ctzl:
235   case Builtin::BI__builtin_ctzll: {
236     Value *ArgValue = EmitScalarExpr(E->getArg(0));
237 
238     llvm::Type *ArgType = ArgValue->getType();
239     Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType);
240 
241     llvm::Type *ResultType = ConvertType(E->getType());
242     Value *ZeroUndef = Builder.getInt1(Target.isCLZForZeroUndef());
243     Value *Result = Builder.CreateCall2(F, ArgValue, ZeroUndef);
244     if (Result->getType() != ResultType)
245       Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true,
246                                      "cast");
247     return RValue::get(Result);
248   }
249   case Builtin::BI__builtin_clzs:
250   case Builtin::BI__builtin_clz:
251   case Builtin::BI__builtin_clzl:
252   case Builtin::BI__builtin_clzll: {
253     Value *ArgValue = EmitScalarExpr(E->getArg(0));
254 
255     llvm::Type *ArgType = ArgValue->getType();
256     Value *F = CGM.getIntrinsic(Intrinsic::ctlz, ArgType);
257 
258     llvm::Type *ResultType = ConvertType(E->getType());
259     Value *ZeroUndef = Builder.getInt1(Target.isCLZForZeroUndef());
260     Value *Result = Builder.CreateCall2(F, ArgValue, ZeroUndef);
261     if (Result->getType() != ResultType)
262       Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true,
263                                      "cast");
264     return RValue::get(Result);
265   }
266   case Builtin::BI__builtin_ffs:
267   case Builtin::BI__builtin_ffsl:
268   case Builtin::BI__builtin_ffsll: {
269     // ffs(x) -> x ? cttz(x) + 1 : 0
270     Value *ArgValue = EmitScalarExpr(E->getArg(0));
271 
272     llvm::Type *ArgType = ArgValue->getType();
273     Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType);
274 
275     llvm::Type *ResultType = ConvertType(E->getType());
276     Value *Tmp = Builder.CreateAdd(Builder.CreateCall2(F, ArgValue,
277                                                        Builder.getTrue()),
278                                    llvm::ConstantInt::get(ArgType, 1));
279     Value *Zero = llvm::Constant::getNullValue(ArgType);
280     Value *IsZero = Builder.CreateICmpEQ(ArgValue, Zero, "iszero");
281     Value *Result = Builder.CreateSelect(IsZero, Zero, Tmp, "ffs");
282     if (Result->getType() != ResultType)
283       Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true,
284                                      "cast");
285     return RValue::get(Result);
286   }
287   case Builtin::BI__builtin_parity:
288   case Builtin::BI__builtin_parityl:
289   case Builtin::BI__builtin_parityll: {
290     // parity(x) -> ctpop(x) & 1
291     Value *ArgValue = EmitScalarExpr(E->getArg(0));
292 
293     llvm::Type *ArgType = ArgValue->getType();
294     Value *F = CGM.getIntrinsic(Intrinsic::ctpop, ArgType);
295 
296     llvm::Type *ResultType = ConvertType(E->getType());
297     Value *Tmp = Builder.CreateCall(F, ArgValue);
298     Value *Result = Builder.CreateAnd(Tmp, llvm::ConstantInt::get(ArgType, 1));
299     if (Result->getType() != ResultType)
300       Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true,
301                                      "cast");
302     return RValue::get(Result);
303   }
304   case Builtin::BI__builtin_popcount:
305   case Builtin::BI__builtin_popcountl:
306   case Builtin::BI__builtin_popcountll: {
307     Value *ArgValue = EmitScalarExpr(E->getArg(0));
308 
309     llvm::Type *ArgType = ArgValue->getType();
310     Value *F = CGM.getIntrinsic(Intrinsic::ctpop, ArgType);
311 
312     llvm::Type *ResultType = ConvertType(E->getType());
313     Value *Result = Builder.CreateCall(F, ArgValue);
314     if (Result->getType() != ResultType)
315       Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true,
316                                      "cast");
317     return RValue::get(Result);
318   }
319   case Builtin::BI__builtin_expect: {
320     Value *ArgValue = EmitScalarExpr(E->getArg(0));
321     llvm::Type *ArgType = ArgValue->getType();
322 
323     Value *FnExpect = CGM.getIntrinsic(Intrinsic::expect, ArgType);
324     Value *ExpectedValue = EmitScalarExpr(E->getArg(1));
325 
326     Value *Result = Builder.CreateCall2(FnExpect, ArgValue, ExpectedValue,
327                                         "expval");
328     return RValue::get(Result);
329   }
330   case Builtin::BI__builtin_bswap32:
331   case Builtin::BI__builtin_bswap64: {
332     Value *ArgValue = EmitScalarExpr(E->getArg(0));
333     llvm::Type *ArgType = ArgValue->getType();
334     Value *F = CGM.getIntrinsic(Intrinsic::bswap, ArgType);
335     return RValue::get(Builder.CreateCall(F, ArgValue));
336   }
337   case Builtin::BI__builtin_object_size: {
338     // We pass this builtin onto the optimizer so that it can
339     // figure out the object size in more complex cases.
340     llvm::Type *ResType = ConvertType(E->getType());
341 
342     // LLVM only supports 0 and 2, make sure that we pass along that
343     // as a boolean.
344     Value *Ty = EmitScalarExpr(E->getArg(1));
345     ConstantInt *CI = dyn_cast<ConstantInt>(Ty);
346     assert(CI);
347     uint64_t val = CI->getZExtValue();
348     CI = ConstantInt::get(Builder.getInt1Ty(), (val & 0x2) >> 1);
349 
350     Value *F = CGM.getIntrinsic(Intrinsic::objectsize, ResType);
351     return RValue::get(Builder.CreateCall2(F,
352                                            EmitScalarExpr(E->getArg(0)),
353                                            CI));
354   }
355   case Builtin::BI__builtin_prefetch: {
356     Value *Locality, *RW, *Address = EmitScalarExpr(E->getArg(0));
357     // FIXME: Technically these constants should of type 'int', yes?
358     RW = (E->getNumArgs() > 1) ? EmitScalarExpr(E->getArg(1)) :
359       llvm::ConstantInt::get(Int32Ty, 0);
360     Locality = (E->getNumArgs() > 2) ? EmitScalarExpr(E->getArg(2)) :
361       llvm::ConstantInt::get(Int32Ty, 3);
362     Value *Data = llvm::ConstantInt::get(Int32Ty, 1);
363     Value *F = CGM.getIntrinsic(Intrinsic::prefetch);
364     return RValue::get(Builder.CreateCall4(F, Address, RW, Locality, Data));
365   }
366   case Builtin::BI__builtin_trap: {
367     Value *F = CGM.getIntrinsic(Intrinsic::trap);
368     return RValue::get(Builder.CreateCall(F));
369   }
370   case Builtin::BI__builtin_unreachable: {
371     if (CatchUndefined)
372       EmitBranch(getTrapBB());
373     else
374       Builder.CreateUnreachable();
375 
376     // We do need to preserve an insertion point.
377     EmitBlock(createBasicBlock("unreachable.cont"));
378 
379     return RValue::get(0);
380   }
381 
382   case Builtin::BI__builtin_powi:
383   case Builtin::BI__builtin_powif:
384   case Builtin::BI__builtin_powil: {
385     Value *Base = EmitScalarExpr(E->getArg(0));
386     Value *Exponent = EmitScalarExpr(E->getArg(1));
387     llvm::Type *ArgType = Base->getType();
388     Value *F = CGM.getIntrinsic(Intrinsic::powi, ArgType);
389     return RValue::get(Builder.CreateCall2(F, Base, Exponent));
390   }
391 
392   case Builtin::BI__builtin_isgreater:
393   case Builtin::BI__builtin_isgreaterequal:
394   case Builtin::BI__builtin_isless:
395   case Builtin::BI__builtin_islessequal:
396   case Builtin::BI__builtin_islessgreater:
397   case Builtin::BI__builtin_isunordered: {
398     // Ordered comparisons: we know the arguments to these are matching scalar
399     // floating point values.
400     Value *LHS = EmitScalarExpr(E->getArg(0));
401     Value *RHS = EmitScalarExpr(E->getArg(1));
402 
403     switch (BuiltinID) {
404     default: llvm_unreachable("Unknown ordered comparison");
405     case Builtin::BI__builtin_isgreater:
406       LHS = Builder.CreateFCmpOGT(LHS, RHS, "cmp");
407       break;
408     case Builtin::BI__builtin_isgreaterequal:
409       LHS = Builder.CreateFCmpOGE(LHS, RHS, "cmp");
410       break;
411     case Builtin::BI__builtin_isless:
412       LHS = Builder.CreateFCmpOLT(LHS, RHS, "cmp");
413       break;
414     case Builtin::BI__builtin_islessequal:
415       LHS = Builder.CreateFCmpOLE(LHS, RHS, "cmp");
416       break;
417     case Builtin::BI__builtin_islessgreater:
418       LHS = Builder.CreateFCmpONE(LHS, RHS, "cmp");
419       break;
420     case Builtin::BI__builtin_isunordered:
421       LHS = Builder.CreateFCmpUNO(LHS, RHS, "cmp");
422       break;
423     }
424     // ZExt bool to int type.
425     return RValue::get(Builder.CreateZExt(LHS, ConvertType(E->getType())));
426   }
427   case Builtin::BI__builtin_isnan: {
428     Value *V = EmitScalarExpr(E->getArg(0));
429     V = Builder.CreateFCmpUNO(V, V, "cmp");
430     return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType())));
431   }
432 
433   case Builtin::BI__builtin_isinf: {
434     // isinf(x) --> fabs(x) == infinity
435     Value *V = EmitScalarExpr(E->getArg(0));
436     V = EmitFAbs(*this, V, E->getArg(0)->getType());
437 
438     V = Builder.CreateFCmpOEQ(V, ConstantFP::getInfinity(V->getType()),"isinf");
439     return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType())));
440   }
441 
442   // TODO: BI__builtin_isinf_sign
443   //   isinf_sign(x) -> isinf(x) ? (signbit(x) ? -1 : 1) : 0
444 
445   case Builtin::BI__builtin_isnormal: {
446     // isnormal(x) --> x == x && fabsf(x) < infinity && fabsf(x) >= float_min
447     Value *V = EmitScalarExpr(E->getArg(0));
448     Value *Eq = Builder.CreateFCmpOEQ(V, V, "iseq");
449 
450     Value *Abs = EmitFAbs(*this, V, E->getArg(0)->getType());
451     Value *IsLessThanInf =
452       Builder.CreateFCmpULT(Abs, ConstantFP::getInfinity(V->getType()),"isinf");
453     APFloat Smallest = APFloat::getSmallestNormalized(
454                    getContext().getFloatTypeSemantics(E->getArg(0)->getType()));
455     Value *IsNormal =
456       Builder.CreateFCmpUGE(Abs, ConstantFP::get(V->getContext(), Smallest),
457                             "isnormal");
458     V = Builder.CreateAnd(Eq, IsLessThanInf, "and");
459     V = Builder.CreateAnd(V, IsNormal, "and");
460     return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType())));
461   }
462 
463   case Builtin::BI__builtin_isfinite: {
464     // isfinite(x) --> x == x && fabs(x) != infinity;
465     Value *V = EmitScalarExpr(E->getArg(0));
466     Value *Eq = Builder.CreateFCmpOEQ(V, V, "iseq");
467 
468     Value *Abs = EmitFAbs(*this, V, E->getArg(0)->getType());
469     Value *IsNotInf =
470       Builder.CreateFCmpUNE(Abs, ConstantFP::getInfinity(V->getType()),"isinf");
471 
472     V = Builder.CreateAnd(Eq, IsNotInf, "and");
473     return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType())));
474   }
475 
476   case Builtin::BI__builtin_fpclassify: {
477     Value *V = EmitScalarExpr(E->getArg(5));
478     llvm::Type *Ty = ConvertType(E->getArg(5)->getType());
479 
480     // Create Result
481     BasicBlock *Begin = Builder.GetInsertBlock();
482     BasicBlock *End = createBasicBlock("fpclassify_end", this->CurFn);
483     Builder.SetInsertPoint(End);
484     PHINode *Result =
485       Builder.CreatePHI(ConvertType(E->getArg(0)->getType()), 4,
486                         "fpclassify_result");
487 
488     // if (V==0) return FP_ZERO
489     Builder.SetInsertPoint(Begin);
490     Value *IsZero = Builder.CreateFCmpOEQ(V, Constant::getNullValue(Ty),
491                                           "iszero");
492     Value *ZeroLiteral = EmitScalarExpr(E->getArg(4));
493     BasicBlock *NotZero = createBasicBlock("fpclassify_not_zero", this->CurFn);
494     Builder.CreateCondBr(IsZero, End, NotZero);
495     Result->addIncoming(ZeroLiteral, Begin);
496 
497     // if (V != V) return FP_NAN
498     Builder.SetInsertPoint(NotZero);
499     Value *IsNan = Builder.CreateFCmpUNO(V, V, "cmp");
500     Value *NanLiteral = EmitScalarExpr(E->getArg(0));
501     BasicBlock *NotNan = createBasicBlock("fpclassify_not_nan", this->CurFn);
502     Builder.CreateCondBr(IsNan, End, NotNan);
503     Result->addIncoming(NanLiteral, NotZero);
504 
505     // if (fabs(V) == infinity) return FP_INFINITY
506     Builder.SetInsertPoint(NotNan);
507     Value *VAbs = EmitFAbs(*this, V, E->getArg(5)->getType());
508     Value *IsInf =
509       Builder.CreateFCmpOEQ(VAbs, ConstantFP::getInfinity(V->getType()),
510                             "isinf");
511     Value *InfLiteral = EmitScalarExpr(E->getArg(1));
512     BasicBlock *NotInf = createBasicBlock("fpclassify_not_inf", this->CurFn);
513     Builder.CreateCondBr(IsInf, End, NotInf);
514     Result->addIncoming(InfLiteral, NotNan);
515 
516     // if (fabs(V) >= MIN_NORMAL) return FP_NORMAL else FP_SUBNORMAL
517     Builder.SetInsertPoint(NotInf);
518     APFloat Smallest = APFloat::getSmallestNormalized(
519         getContext().getFloatTypeSemantics(E->getArg(5)->getType()));
520     Value *IsNormal =
521       Builder.CreateFCmpUGE(VAbs, ConstantFP::get(V->getContext(), Smallest),
522                             "isnormal");
523     Value *NormalResult =
524       Builder.CreateSelect(IsNormal, EmitScalarExpr(E->getArg(2)),
525                            EmitScalarExpr(E->getArg(3)));
526     Builder.CreateBr(End);
527     Result->addIncoming(NormalResult, NotInf);
528 
529     // return Result
530     Builder.SetInsertPoint(End);
531     return RValue::get(Result);
532   }
533 
534   case Builtin::BIalloca:
535   case Builtin::BI__builtin_alloca: {
536     Value *Size = EmitScalarExpr(E->getArg(0));
537     return RValue::get(Builder.CreateAlloca(Builder.getInt8Ty(), Size));
538   }
539   case Builtin::BIbzero:
540   case Builtin::BI__builtin_bzero: {
541     Value *Address = EmitScalarExpr(E->getArg(0));
542     Value *SizeVal = EmitScalarExpr(E->getArg(1));
543     Builder.CreateMemSet(Address, Builder.getInt8(0), SizeVal, 1, false);
544     return RValue::get(Address);
545   }
546   case Builtin::BImemcpy:
547   case Builtin::BI__builtin_memcpy: {
548     Value *Address = EmitScalarExpr(E->getArg(0));
549     Value *SrcAddr = EmitScalarExpr(E->getArg(1));
550     Value *SizeVal = EmitScalarExpr(E->getArg(2));
551     Builder.CreateMemCpy(Address, SrcAddr, SizeVal, 1, false);
552     return RValue::get(Address);
553   }
554 
555   case Builtin::BI__builtin___memcpy_chk: {
556     // fold __builtin_memcpy_chk(x, y, cst1, cst2) to memset iff cst1<=cst2.
557     llvm::APSInt Size, DstSize;
558     if (!E->getArg(2)->EvaluateAsInt(Size, CGM.getContext()) ||
559         !E->getArg(3)->EvaluateAsInt(DstSize, CGM.getContext()))
560       break;
561     if (Size.ugt(DstSize))
562       break;
563     Value *Dest = EmitScalarExpr(E->getArg(0));
564     Value *Src = EmitScalarExpr(E->getArg(1));
565     Value *SizeVal = llvm::ConstantInt::get(Builder.getContext(), Size);
566     Builder.CreateMemCpy(Dest, Src, SizeVal, 1, false);
567     return RValue::get(Dest);
568   }
569 
570   case Builtin::BI__builtin_objc_memmove_collectable: {
571     Value *Address = EmitScalarExpr(E->getArg(0));
572     Value *SrcAddr = EmitScalarExpr(E->getArg(1));
573     Value *SizeVal = EmitScalarExpr(E->getArg(2));
574     CGM.getObjCRuntime().EmitGCMemmoveCollectable(*this,
575                                                   Address, SrcAddr, SizeVal);
576     return RValue::get(Address);
577   }
578 
579   case Builtin::BI__builtin___memmove_chk: {
580     // fold __builtin_memmove_chk(x, y, cst1, cst2) to memset iff cst1<=cst2.
581     llvm::APSInt Size, DstSize;
582     if (!E->getArg(2)->EvaluateAsInt(Size, CGM.getContext()) ||
583         !E->getArg(3)->EvaluateAsInt(DstSize, CGM.getContext()))
584       break;
585     if (Size.ugt(DstSize))
586       break;
587     Value *Dest = EmitScalarExpr(E->getArg(0));
588     Value *Src = EmitScalarExpr(E->getArg(1));
589     Value *SizeVal = llvm::ConstantInt::get(Builder.getContext(), Size);
590     Builder.CreateMemMove(Dest, Src, SizeVal, 1, false);
591     return RValue::get(Dest);
592   }
593 
594   case Builtin::BImemmove:
595   case Builtin::BI__builtin_memmove: {
596     Value *Address = EmitScalarExpr(E->getArg(0));
597     Value *SrcAddr = EmitScalarExpr(E->getArg(1));
598     Value *SizeVal = EmitScalarExpr(E->getArg(2));
599     Builder.CreateMemMove(Address, SrcAddr, SizeVal, 1, false);
600     return RValue::get(Address);
601   }
602   case Builtin::BImemset:
603   case Builtin::BI__builtin_memset: {
604     Value *Address = EmitScalarExpr(E->getArg(0));
605     Value *ByteVal = Builder.CreateTrunc(EmitScalarExpr(E->getArg(1)),
606                                          Builder.getInt8Ty());
607     Value *SizeVal = EmitScalarExpr(E->getArg(2));
608     Builder.CreateMemSet(Address, ByteVal, SizeVal, 1, false);
609     return RValue::get(Address);
610   }
611   case Builtin::BI__builtin___memset_chk: {
612     // fold __builtin_memset_chk(x, y, cst1, cst2) to memset iff cst1<=cst2.
613     llvm::APSInt Size, DstSize;
614     if (!E->getArg(2)->EvaluateAsInt(Size, CGM.getContext()) ||
615         !E->getArg(3)->EvaluateAsInt(DstSize, CGM.getContext()))
616       break;
617     if (Size.ugt(DstSize))
618       break;
619     Value *Address = EmitScalarExpr(E->getArg(0));
620     Value *ByteVal = Builder.CreateTrunc(EmitScalarExpr(E->getArg(1)),
621                                          Builder.getInt8Ty());
622     Value *SizeVal = llvm::ConstantInt::get(Builder.getContext(), Size);
623     Builder.CreateMemSet(Address, ByteVal, SizeVal, 1, false);
624 
625     return RValue::get(Address);
626   }
627   case Builtin::BI__builtin_dwarf_cfa: {
628     // The offset in bytes from the first argument to the CFA.
629     //
630     // Why on earth is this in the frontend?  Is there any reason at
631     // all that the backend can't reasonably determine this while
632     // lowering llvm.eh.dwarf.cfa()?
633     //
634     // TODO: If there's a satisfactory reason, add a target hook for
635     // this instead of hard-coding 0, which is correct for most targets.
636     int32_t Offset = 0;
637 
638     Value *F = CGM.getIntrinsic(Intrinsic::eh_dwarf_cfa);
639     return RValue::get(Builder.CreateCall(F,
640                                       llvm::ConstantInt::get(Int32Ty, Offset)));
641   }
642   case Builtin::BI__builtin_return_address: {
643     Value *Depth = EmitScalarExpr(E->getArg(0));
644     Depth = Builder.CreateIntCast(Depth, Int32Ty, false);
645     Value *F = CGM.getIntrinsic(Intrinsic::returnaddress);
646     return RValue::get(Builder.CreateCall(F, Depth));
647   }
648   case Builtin::BI__builtin_frame_address: {
649     Value *Depth = EmitScalarExpr(E->getArg(0));
650     Depth = Builder.CreateIntCast(Depth, Int32Ty, false);
651     Value *F = CGM.getIntrinsic(Intrinsic::frameaddress);
652     return RValue::get(Builder.CreateCall(F, Depth));
653   }
654   case Builtin::BI__builtin_extract_return_addr: {
655     Value *Address = EmitScalarExpr(E->getArg(0));
656     Value *Result = getTargetHooks().decodeReturnAddress(*this, Address);
657     return RValue::get(Result);
658   }
659   case Builtin::BI__builtin_frob_return_addr: {
660     Value *Address = EmitScalarExpr(E->getArg(0));
661     Value *Result = getTargetHooks().encodeReturnAddress(*this, Address);
662     return RValue::get(Result);
663   }
664   case Builtin::BI__builtin_dwarf_sp_column: {
665     llvm::IntegerType *Ty
666       = cast<llvm::IntegerType>(ConvertType(E->getType()));
667     int Column = getTargetHooks().getDwarfEHStackPointer(CGM);
668     if (Column == -1) {
669       CGM.ErrorUnsupported(E, "__builtin_dwarf_sp_column");
670       return RValue::get(llvm::UndefValue::get(Ty));
671     }
672     return RValue::get(llvm::ConstantInt::get(Ty, Column, true));
673   }
674   case Builtin::BI__builtin_init_dwarf_reg_size_table: {
675     Value *Address = EmitScalarExpr(E->getArg(0));
676     if (getTargetHooks().initDwarfEHRegSizeTable(*this, Address))
677       CGM.ErrorUnsupported(E, "__builtin_init_dwarf_reg_size_table");
678     return RValue::get(llvm::UndefValue::get(ConvertType(E->getType())));
679   }
680   case Builtin::BI__builtin_eh_return: {
681     Value *Int = EmitScalarExpr(E->getArg(0));
682     Value *Ptr = EmitScalarExpr(E->getArg(1));
683 
684     llvm::IntegerType *IntTy = cast<llvm::IntegerType>(Int->getType());
685     assert((IntTy->getBitWidth() == 32 || IntTy->getBitWidth() == 64) &&
686            "LLVM's __builtin_eh_return only supports 32- and 64-bit variants");
687     Value *F = CGM.getIntrinsic(IntTy->getBitWidth() == 32
688                                   ? Intrinsic::eh_return_i32
689                                   : Intrinsic::eh_return_i64);
690     Builder.CreateCall2(F, Int, Ptr);
691     Builder.CreateUnreachable();
692 
693     // We do need to preserve an insertion point.
694     EmitBlock(createBasicBlock("builtin_eh_return.cont"));
695 
696     return RValue::get(0);
697   }
698   case Builtin::BI__builtin_unwind_init: {
699     Value *F = CGM.getIntrinsic(Intrinsic::eh_unwind_init);
700     return RValue::get(Builder.CreateCall(F));
701   }
702   case Builtin::BI__builtin_extend_pointer: {
703     // Extends a pointer to the size of an _Unwind_Word, which is
704     // uint64_t on all platforms.  Generally this gets poked into a
705     // register and eventually used as an address, so if the
706     // addressing registers are wider than pointers and the platform
707     // doesn't implicitly ignore high-order bits when doing
708     // addressing, we need to make sure we zext / sext based on
709     // the platform's expectations.
710     //
711     // See: http://gcc.gnu.org/ml/gcc-bugs/2002-02/msg00237.html
712 
713     // Cast the pointer to intptr_t.
714     Value *Ptr = EmitScalarExpr(E->getArg(0));
715     Value *Result = Builder.CreatePtrToInt(Ptr, IntPtrTy, "extend.cast");
716 
717     // If that's 64 bits, we're done.
718     if (IntPtrTy->getBitWidth() == 64)
719       return RValue::get(Result);
720 
721     // Otherwise, ask the codegen data what to do.
722     if (getTargetHooks().extendPointerWithSExt())
723       return RValue::get(Builder.CreateSExt(Result, Int64Ty, "extend.sext"));
724     else
725       return RValue::get(Builder.CreateZExt(Result, Int64Ty, "extend.zext"));
726   }
727   case Builtin::BI__builtin_setjmp: {
728     // Buffer is a void**.
729     Value *Buf = EmitScalarExpr(E->getArg(0));
730 
731     // Store the frame pointer to the setjmp buffer.
732     Value *FrameAddr =
733       Builder.CreateCall(CGM.getIntrinsic(Intrinsic::frameaddress),
734                          ConstantInt::get(Int32Ty, 0));
735     Builder.CreateStore(FrameAddr, Buf);
736 
737     // Store the stack pointer to the setjmp buffer.
738     Value *StackAddr =
739       Builder.CreateCall(CGM.getIntrinsic(Intrinsic::stacksave));
740     Value *StackSaveSlot =
741       Builder.CreateGEP(Buf, ConstantInt::get(Int32Ty, 2));
742     Builder.CreateStore(StackAddr, StackSaveSlot);
743 
744     // Call LLVM's EH setjmp, which is lightweight.
745     Value *F = CGM.getIntrinsic(Intrinsic::eh_sjlj_setjmp);
746     Buf = Builder.CreateBitCast(Buf, Int8PtrTy);
747     return RValue::get(Builder.CreateCall(F, Buf));
748   }
749   case Builtin::BI__builtin_longjmp: {
750     Value *Buf = EmitScalarExpr(E->getArg(0));
751     Buf = Builder.CreateBitCast(Buf, Int8PtrTy);
752 
753     // Call LLVM's EH longjmp, which is lightweight.
754     Builder.CreateCall(CGM.getIntrinsic(Intrinsic::eh_sjlj_longjmp), Buf);
755 
756     // longjmp doesn't return; mark this as unreachable.
757     Builder.CreateUnreachable();
758 
759     // We do need to preserve an insertion point.
760     EmitBlock(createBasicBlock("longjmp.cont"));
761 
762     return RValue::get(0);
763   }
764   case Builtin::BI__sync_fetch_and_add:
765   case Builtin::BI__sync_fetch_and_sub:
766   case Builtin::BI__sync_fetch_and_or:
767   case Builtin::BI__sync_fetch_and_and:
768   case Builtin::BI__sync_fetch_and_xor:
769   case Builtin::BI__sync_add_and_fetch:
770   case Builtin::BI__sync_sub_and_fetch:
771   case Builtin::BI__sync_and_and_fetch:
772   case Builtin::BI__sync_or_and_fetch:
773   case Builtin::BI__sync_xor_and_fetch:
774   case Builtin::BI__sync_val_compare_and_swap:
775   case Builtin::BI__sync_bool_compare_and_swap:
776   case Builtin::BI__sync_lock_test_and_set:
777   case Builtin::BI__sync_lock_release:
778   case Builtin::BI__sync_swap:
779     llvm_unreachable("Shouldn't make it through sema");
780   case Builtin::BI__sync_fetch_and_add_1:
781   case Builtin::BI__sync_fetch_and_add_2:
782   case Builtin::BI__sync_fetch_and_add_4:
783   case Builtin::BI__sync_fetch_and_add_8:
784   case Builtin::BI__sync_fetch_and_add_16:
785     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Add, E);
786   case Builtin::BI__sync_fetch_and_sub_1:
787   case Builtin::BI__sync_fetch_and_sub_2:
788   case Builtin::BI__sync_fetch_and_sub_4:
789   case Builtin::BI__sync_fetch_and_sub_8:
790   case Builtin::BI__sync_fetch_and_sub_16:
791     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Sub, E);
792   case Builtin::BI__sync_fetch_and_or_1:
793   case Builtin::BI__sync_fetch_and_or_2:
794   case Builtin::BI__sync_fetch_and_or_4:
795   case Builtin::BI__sync_fetch_and_or_8:
796   case Builtin::BI__sync_fetch_and_or_16:
797     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Or, E);
798   case Builtin::BI__sync_fetch_and_and_1:
799   case Builtin::BI__sync_fetch_and_and_2:
800   case Builtin::BI__sync_fetch_and_and_4:
801   case Builtin::BI__sync_fetch_and_and_8:
802   case Builtin::BI__sync_fetch_and_and_16:
803     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::And, E);
804   case Builtin::BI__sync_fetch_and_xor_1:
805   case Builtin::BI__sync_fetch_and_xor_2:
806   case Builtin::BI__sync_fetch_and_xor_4:
807   case Builtin::BI__sync_fetch_and_xor_8:
808   case Builtin::BI__sync_fetch_and_xor_16:
809     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xor, E);
810 
811   // Clang extensions: not overloaded yet.
812   case Builtin::BI__sync_fetch_and_min:
813     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Min, E);
814   case Builtin::BI__sync_fetch_and_max:
815     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Max, E);
816   case Builtin::BI__sync_fetch_and_umin:
817     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::UMin, E);
818   case Builtin::BI__sync_fetch_and_umax:
819     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::UMax, E);
820 
821   case Builtin::BI__sync_add_and_fetch_1:
822   case Builtin::BI__sync_add_and_fetch_2:
823   case Builtin::BI__sync_add_and_fetch_4:
824   case Builtin::BI__sync_add_and_fetch_8:
825   case Builtin::BI__sync_add_and_fetch_16:
826     return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Add, E,
827                                 llvm::Instruction::Add);
828   case Builtin::BI__sync_sub_and_fetch_1:
829   case Builtin::BI__sync_sub_and_fetch_2:
830   case Builtin::BI__sync_sub_and_fetch_4:
831   case Builtin::BI__sync_sub_and_fetch_8:
832   case Builtin::BI__sync_sub_and_fetch_16:
833     return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Sub, E,
834                                 llvm::Instruction::Sub);
835   case Builtin::BI__sync_and_and_fetch_1:
836   case Builtin::BI__sync_and_and_fetch_2:
837   case Builtin::BI__sync_and_and_fetch_4:
838   case Builtin::BI__sync_and_and_fetch_8:
839   case Builtin::BI__sync_and_and_fetch_16:
840     return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::And, E,
841                                 llvm::Instruction::And);
842   case Builtin::BI__sync_or_and_fetch_1:
843   case Builtin::BI__sync_or_and_fetch_2:
844   case Builtin::BI__sync_or_and_fetch_4:
845   case Builtin::BI__sync_or_and_fetch_8:
846   case Builtin::BI__sync_or_and_fetch_16:
847     return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Or, E,
848                                 llvm::Instruction::Or);
849   case Builtin::BI__sync_xor_and_fetch_1:
850   case Builtin::BI__sync_xor_and_fetch_2:
851   case Builtin::BI__sync_xor_and_fetch_4:
852   case Builtin::BI__sync_xor_and_fetch_8:
853   case Builtin::BI__sync_xor_and_fetch_16:
854     return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Xor, E,
855                                 llvm::Instruction::Xor);
856 
857   case Builtin::BI__sync_val_compare_and_swap_1:
858   case Builtin::BI__sync_val_compare_and_swap_2:
859   case Builtin::BI__sync_val_compare_and_swap_4:
860   case Builtin::BI__sync_val_compare_and_swap_8:
861   case Builtin::BI__sync_val_compare_and_swap_16: {
862     QualType T = E->getType();
863     llvm::Value *DestPtr = EmitScalarExpr(E->getArg(0));
864     unsigned AddrSpace =
865       cast<llvm::PointerType>(DestPtr->getType())->getAddressSpace();
866 
867     llvm::IntegerType *IntType =
868       llvm::IntegerType::get(getLLVMContext(),
869                              getContext().getTypeSize(T));
870     llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace);
871 
872     Value *Args[3];
873     Args[0] = Builder.CreateBitCast(DestPtr, IntPtrType);
874     Args[1] = EmitScalarExpr(E->getArg(1));
875     llvm::Type *ValueType = Args[1]->getType();
876     Args[1] = EmitToInt(*this, Args[1], T, IntType);
877     Args[2] = EmitToInt(*this, EmitScalarExpr(E->getArg(2)), T, IntType);
878 
879     Value *Result = Builder.CreateAtomicCmpXchg(Args[0], Args[1], Args[2],
880                                                 llvm::SequentiallyConsistent);
881     Result = EmitFromInt(*this, Result, T, ValueType);
882     return RValue::get(Result);
883   }
884 
885   case Builtin::BI__sync_bool_compare_and_swap_1:
886   case Builtin::BI__sync_bool_compare_and_swap_2:
887   case Builtin::BI__sync_bool_compare_and_swap_4:
888   case Builtin::BI__sync_bool_compare_and_swap_8:
889   case Builtin::BI__sync_bool_compare_and_swap_16: {
890     QualType T = E->getArg(1)->getType();
891     llvm::Value *DestPtr = EmitScalarExpr(E->getArg(0));
892     unsigned AddrSpace =
893       cast<llvm::PointerType>(DestPtr->getType())->getAddressSpace();
894 
895     llvm::IntegerType *IntType =
896       llvm::IntegerType::get(getLLVMContext(),
897                              getContext().getTypeSize(T));
898     llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace);
899 
900     Value *Args[3];
901     Args[0] = Builder.CreateBitCast(DestPtr, IntPtrType);
902     Args[1] = EmitToInt(*this, EmitScalarExpr(E->getArg(1)), T, IntType);
903     Args[2] = EmitToInt(*this, EmitScalarExpr(E->getArg(2)), T, IntType);
904 
905     Value *OldVal = Args[1];
906     Value *PrevVal = Builder.CreateAtomicCmpXchg(Args[0], Args[1], Args[2],
907                                                  llvm::SequentiallyConsistent);
908     Value *Result = Builder.CreateICmpEQ(PrevVal, OldVal);
909     // zext bool to int.
910     Result = Builder.CreateZExt(Result, ConvertType(E->getType()));
911     return RValue::get(Result);
912   }
913 
914   case Builtin::BI__sync_swap_1:
915   case Builtin::BI__sync_swap_2:
916   case Builtin::BI__sync_swap_4:
917   case Builtin::BI__sync_swap_8:
918   case Builtin::BI__sync_swap_16:
919     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xchg, E);
920 
921   case Builtin::BI__sync_lock_test_and_set_1:
922   case Builtin::BI__sync_lock_test_and_set_2:
923   case Builtin::BI__sync_lock_test_and_set_4:
924   case Builtin::BI__sync_lock_test_and_set_8:
925   case Builtin::BI__sync_lock_test_and_set_16:
926     return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xchg, E);
927 
928   case Builtin::BI__sync_lock_release_1:
929   case Builtin::BI__sync_lock_release_2:
930   case Builtin::BI__sync_lock_release_4:
931   case Builtin::BI__sync_lock_release_8:
932   case Builtin::BI__sync_lock_release_16: {
933     Value *Ptr = EmitScalarExpr(E->getArg(0));
934     llvm::Type *ElLLVMTy =
935       cast<llvm::PointerType>(Ptr->getType())->getElementType();
936     llvm::StoreInst *Store =
937       Builder.CreateStore(llvm::Constant::getNullValue(ElLLVMTy), Ptr);
938     QualType ElTy = E->getArg(0)->getType()->getPointeeType();
939     CharUnits StoreSize = getContext().getTypeSizeInChars(ElTy);
940     Store->setAlignment(StoreSize.getQuantity());
941     Store->setAtomic(llvm::Release);
942     return RValue::get(0);
943   }
944 
945   case Builtin::BI__sync_synchronize: {
946     // We assume this is supposed to correspond to a C++0x-style
947     // sequentially-consistent fence (i.e. this is only usable for
948     // synchonization, not device I/O or anything like that). This intrinsic
949     // is really badly designed in the sense that in theory, there isn't
950     // any way to safely use it... but in practice, it mostly works
951     // to use it with non-atomic loads and stores to get acquire/release
952     // semantics.
953     Builder.CreateFence(llvm::SequentiallyConsistent);
954     return RValue::get(0);
955   }
956 
957   case Builtin::BI__atomic_thread_fence:
958   case Builtin::BI__atomic_signal_fence: {
959     llvm::SynchronizationScope Scope;
960     if (BuiltinID == Builtin::BI__atomic_signal_fence)
961       Scope = llvm::SingleThread;
962     else
963       Scope = llvm::CrossThread;
964     Value *Order = EmitScalarExpr(E->getArg(0));
965     if (isa<llvm::ConstantInt>(Order)) {
966       int ord = cast<llvm::ConstantInt>(Order)->getZExtValue();
967       switch (ord) {
968       case 0:  // memory_order_relaxed
969       default: // invalid order
970         break;
971       case 1:  // memory_order_consume
972       case 2:  // memory_order_acquire
973         Builder.CreateFence(llvm::Acquire, Scope);
974         break;
975       case 3:  // memory_order_release
976         Builder.CreateFence(llvm::Release, Scope);
977         break;
978       case 4:  // memory_order_acq_rel
979         Builder.CreateFence(llvm::AcquireRelease, Scope);
980         break;
981       case 5:  // memory_order_seq_cst
982         Builder.CreateFence(llvm::SequentiallyConsistent, Scope);
983         break;
984       }
985       return RValue::get(0);
986     }
987 
988     llvm::BasicBlock *AcquireBB, *ReleaseBB, *AcqRelBB, *SeqCstBB;
989     AcquireBB = createBasicBlock("acquire", CurFn);
990     ReleaseBB = createBasicBlock("release", CurFn);
991     AcqRelBB = createBasicBlock("acqrel", CurFn);
992     SeqCstBB = createBasicBlock("seqcst", CurFn);
993     llvm::BasicBlock *ContBB = createBasicBlock("atomic.continue", CurFn);
994 
995     Order = Builder.CreateIntCast(Order, Builder.getInt32Ty(), false);
996     llvm::SwitchInst *SI = Builder.CreateSwitch(Order, ContBB);
997 
998     Builder.SetInsertPoint(AcquireBB);
999     Builder.CreateFence(llvm::Acquire, Scope);
1000     Builder.CreateBr(ContBB);
1001     SI->addCase(Builder.getInt32(1), AcquireBB);
1002     SI->addCase(Builder.getInt32(2), AcquireBB);
1003 
1004     Builder.SetInsertPoint(ReleaseBB);
1005     Builder.CreateFence(llvm::Release, Scope);
1006     Builder.CreateBr(ContBB);
1007     SI->addCase(Builder.getInt32(3), ReleaseBB);
1008 
1009     Builder.SetInsertPoint(AcqRelBB);
1010     Builder.CreateFence(llvm::AcquireRelease, Scope);
1011     Builder.CreateBr(ContBB);
1012     SI->addCase(Builder.getInt32(4), AcqRelBB);
1013 
1014     Builder.SetInsertPoint(SeqCstBB);
1015     Builder.CreateFence(llvm::SequentiallyConsistent, Scope);
1016     Builder.CreateBr(ContBB);
1017     SI->addCase(Builder.getInt32(5), SeqCstBB);
1018 
1019     Builder.SetInsertPoint(ContBB);
1020     return RValue::get(0);
1021   }
1022 
1023     // Library functions with special handling.
1024   case Builtin::BIsqrt:
1025   case Builtin::BIsqrtf:
1026   case Builtin::BIsqrtl: {
1027     // TODO: there is currently no set of optimizer flags
1028     // sufficient for us to rewrite sqrt to @llvm.sqrt.
1029     // -fmath-errno=0 is not good enough; we need finiteness.
1030     // We could probably precondition the call with an ult
1031     // against 0, but is that worth the complexity?
1032     break;
1033   }
1034 
1035   case Builtin::BIpow:
1036   case Builtin::BIpowf:
1037   case Builtin::BIpowl: {
1038     // Rewrite sqrt to intrinsic if allowed.
1039     if (!FD->hasAttr<ConstAttr>())
1040       break;
1041     Value *Base = EmitScalarExpr(E->getArg(0));
1042     Value *Exponent = EmitScalarExpr(E->getArg(1));
1043     llvm::Type *ArgType = Base->getType();
1044     Value *F = CGM.getIntrinsic(Intrinsic::pow, ArgType);
1045     return RValue::get(Builder.CreateCall2(F, Base, Exponent));
1046   }
1047 
1048   case Builtin::BIfma:
1049   case Builtin::BIfmaf:
1050   case Builtin::BIfmal:
1051   case Builtin::BI__builtin_fma:
1052   case Builtin::BI__builtin_fmaf:
1053   case Builtin::BI__builtin_fmal: {
1054     // Rewrite fma to intrinsic.
1055     Value *FirstArg = EmitScalarExpr(E->getArg(0));
1056     llvm::Type *ArgType = FirstArg->getType();
1057     Value *F = CGM.getIntrinsic(Intrinsic::fma, ArgType);
1058     return RValue::get(Builder.CreateCall3(F, FirstArg,
1059                                               EmitScalarExpr(E->getArg(1)),
1060                                               EmitScalarExpr(E->getArg(2))));
1061   }
1062 
1063   case Builtin::BI__builtin_signbit:
1064   case Builtin::BI__builtin_signbitf:
1065   case Builtin::BI__builtin_signbitl: {
1066     LLVMContext &C = CGM.getLLVMContext();
1067 
1068     Value *Arg = EmitScalarExpr(E->getArg(0));
1069     llvm::Type *ArgTy = Arg->getType();
1070     if (ArgTy->isPPC_FP128Ty())
1071       break; // FIXME: I'm not sure what the right implementation is here.
1072     int ArgWidth = ArgTy->getPrimitiveSizeInBits();
1073     llvm::Type *ArgIntTy = llvm::IntegerType::get(C, ArgWidth);
1074     Value *BCArg = Builder.CreateBitCast(Arg, ArgIntTy);
1075     Value *ZeroCmp = llvm::Constant::getNullValue(ArgIntTy);
1076     Value *Result = Builder.CreateICmpSLT(BCArg, ZeroCmp);
1077     return RValue::get(Builder.CreateZExt(Result, ConvertType(E->getType())));
1078   }
1079   case Builtin::BI__builtin_annotation: {
1080     llvm::Value *AnnVal = EmitScalarExpr(E->getArg(0));
1081     llvm::Value *F = CGM.getIntrinsic(llvm::Intrinsic::annotation,
1082                                       AnnVal->getType());
1083 
1084     // Get the annotation string, go through casts. Sema requires this to be a
1085     // non-wide string literal, potentially casted, so the cast<> is safe.
1086     const Expr *AnnotationStrExpr = E->getArg(1)->IgnoreParenCasts();
1087     llvm::StringRef Str = cast<StringLiteral>(AnnotationStrExpr)->getString();
1088     return RValue::get(EmitAnnotationCall(F, AnnVal, Str, E->getExprLoc()));
1089   }
1090   }
1091 
1092   // If this is an alias for a lib function (e.g. __builtin_sin), emit
1093   // the call using the normal call path, but using the unmangled
1094   // version of the function name.
1095   if (getContext().BuiltinInfo.isLibFunction(BuiltinID))
1096     return emitLibraryCall(*this, FD, E,
1097                            CGM.getBuiltinLibFunction(FD, BuiltinID));
1098 
1099   // If this is a predefined lib function (e.g. malloc), emit the call
1100   // using exactly the normal call path.
1101   if (getContext().BuiltinInfo.isPredefinedLibFunction(BuiltinID))
1102     return emitLibraryCall(*this, FD, E, EmitScalarExpr(E->getCallee()));
1103 
1104   // See if we have a target specific intrinsic.
1105   const char *Name = getContext().BuiltinInfo.GetName(BuiltinID);
1106   Intrinsic::ID IntrinsicID = Intrinsic::not_intrinsic;
1107   if (const char *Prefix =
1108       llvm::Triple::getArchTypePrefix(Target.getTriple().getArch()))
1109     IntrinsicID = Intrinsic::getIntrinsicForGCCBuiltin(Prefix, Name);
1110 
1111   if (IntrinsicID != Intrinsic::not_intrinsic) {
1112     SmallVector<Value*, 16> Args;
1113 
1114     // Find out if any arguments are required to be integer constant
1115     // expressions.
1116     unsigned ICEArguments = 0;
1117     ASTContext::GetBuiltinTypeError Error;
1118     getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments);
1119     assert(Error == ASTContext::GE_None && "Should not codegen an error");
1120 
1121     Function *F = CGM.getIntrinsic(IntrinsicID);
1122     llvm::FunctionType *FTy = F->getFunctionType();
1123 
1124     for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
1125       Value *ArgValue;
1126       // If this is a normal argument, just emit it as a scalar.
1127       if ((ICEArguments & (1 << i)) == 0) {
1128         ArgValue = EmitScalarExpr(E->getArg(i));
1129       } else {
1130         // If this is required to be a constant, constant fold it so that we
1131         // know that the generated intrinsic gets a ConstantInt.
1132         llvm::APSInt Result;
1133         bool IsConst = E->getArg(i)->isIntegerConstantExpr(Result,getContext());
1134         assert(IsConst && "Constant arg isn't actually constant?");
1135         (void)IsConst;
1136         ArgValue = llvm::ConstantInt::get(getLLVMContext(), Result);
1137       }
1138 
1139       // If the intrinsic arg type is different from the builtin arg type
1140       // we need to do a bit cast.
1141       llvm::Type *PTy = FTy->getParamType(i);
1142       if (PTy != ArgValue->getType()) {
1143         assert(PTy->canLosslesslyBitCastTo(FTy->getParamType(i)) &&
1144                "Must be able to losslessly bit cast to param");
1145         ArgValue = Builder.CreateBitCast(ArgValue, PTy);
1146       }
1147 
1148       Args.push_back(ArgValue);
1149     }
1150 
1151     Value *V = Builder.CreateCall(F, Args);
1152     QualType BuiltinRetType = E->getType();
1153 
1154     llvm::Type *RetTy = llvm::Type::getVoidTy(getLLVMContext());
1155     if (!BuiltinRetType->isVoidType()) RetTy = ConvertType(BuiltinRetType);
1156 
1157     if (RetTy != V->getType()) {
1158       assert(V->getType()->canLosslesslyBitCastTo(RetTy) &&
1159              "Must be able to losslessly bit cast result type");
1160       V = Builder.CreateBitCast(V, RetTy);
1161     }
1162 
1163     return RValue::get(V);
1164   }
1165 
1166   // See if we have a target specific builtin that needs to be lowered.
1167   if (Value *V = EmitTargetBuiltinExpr(BuiltinID, E))
1168     return RValue::get(V);
1169 
1170   ErrorUnsupported(E, "builtin function");
1171 
1172   // Unknown builtin, for now just dump it out and return undef.
1173   if (hasAggregateLLVMType(E->getType()))
1174     return RValue::getAggregate(CreateMemTemp(E->getType()));
1175   return RValue::get(llvm::UndefValue::get(ConvertType(E->getType())));
1176 }
1177 
1178 Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID,
1179                                               const CallExpr *E) {
1180   switch (Target.getTriple().getArch()) {
1181   case llvm::Triple::arm:
1182   case llvm::Triple::thumb:
1183     return EmitARMBuiltinExpr(BuiltinID, E);
1184   case llvm::Triple::x86:
1185   case llvm::Triple::x86_64:
1186     return EmitX86BuiltinExpr(BuiltinID, E);
1187   case llvm::Triple::ppc:
1188   case llvm::Triple::ppc64:
1189     return EmitPPCBuiltinExpr(BuiltinID, E);
1190   case llvm::Triple::hexagon:
1191     return EmitHexagonBuiltinExpr(BuiltinID, E);
1192   default:
1193     return 0;
1194   }
1195 }
1196 
1197 static llvm::VectorType *GetNeonType(LLVMContext &C, NeonTypeFlags TypeFlags) {
1198   int IsQuad = TypeFlags.isQuad();
1199   switch (TypeFlags.getEltType()) {
1200   case NeonTypeFlags::Int8:
1201   case NeonTypeFlags::Poly8:
1202     return llvm::VectorType::get(llvm::Type::getInt8Ty(C), 8 << IsQuad);
1203   case NeonTypeFlags::Int16:
1204   case NeonTypeFlags::Poly16:
1205   case NeonTypeFlags::Float16:
1206     return llvm::VectorType::get(llvm::Type::getInt16Ty(C), 4 << IsQuad);
1207   case NeonTypeFlags::Int32:
1208     return llvm::VectorType::get(llvm::Type::getInt32Ty(C), 2 << IsQuad);
1209   case NeonTypeFlags::Int64:
1210     return llvm::VectorType::get(llvm::Type::getInt64Ty(C), 1 << IsQuad);
1211   case NeonTypeFlags::Float32:
1212     return llvm::VectorType::get(llvm::Type::getFloatTy(C), 2 << IsQuad);
1213   }
1214   llvm_unreachable("Invalid NeonTypeFlags element type!");
1215 }
1216 
1217 Value *CodeGenFunction::EmitNeonSplat(Value *V, Constant *C) {
1218   unsigned nElts = cast<llvm::VectorType>(V->getType())->getNumElements();
1219   Value* SV = llvm::ConstantVector::getSplat(nElts, C);
1220   return Builder.CreateShuffleVector(V, V, SV, "lane");
1221 }
1222 
1223 Value *CodeGenFunction::EmitNeonCall(Function *F, SmallVectorImpl<Value*> &Ops,
1224                                      const char *name,
1225                                      unsigned shift, bool rightshift) {
1226   unsigned j = 0;
1227   for (Function::const_arg_iterator ai = F->arg_begin(), ae = F->arg_end();
1228        ai != ae; ++ai, ++j)
1229     if (shift > 0 && shift == j)
1230       Ops[j] = EmitNeonShiftVector(Ops[j], ai->getType(), rightshift);
1231     else
1232       Ops[j] = Builder.CreateBitCast(Ops[j], ai->getType(), name);
1233 
1234   return Builder.CreateCall(F, Ops, name);
1235 }
1236 
1237 Value *CodeGenFunction::EmitNeonShiftVector(Value *V, llvm::Type *Ty,
1238                                             bool neg) {
1239   int SV = cast<ConstantInt>(V)->getSExtValue();
1240 
1241   llvm::VectorType *VTy = cast<llvm::VectorType>(Ty);
1242   llvm::Constant *C = ConstantInt::get(VTy->getElementType(), neg ? -SV : SV);
1243   return llvm::ConstantVector::getSplat(VTy->getNumElements(), C);
1244 }
1245 
1246 /// GetPointeeAlignment - Given an expression with a pointer type, find the
1247 /// alignment of the type referenced by the pointer.  Skip over implicit
1248 /// casts.
1249 static Value *GetPointeeAlignment(CodeGenFunction &CGF, const Expr *Addr) {
1250   unsigned Align = 1;
1251   // Check if the type is a pointer.  The implicit cast operand might not be.
1252   while (Addr->getType()->isPointerType()) {
1253     QualType PtTy = Addr->getType()->getPointeeType();
1254     unsigned NewA = CGF.getContext().getTypeAlignInChars(PtTy).getQuantity();
1255     if (NewA > Align)
1256       Align = NewA;
1257 
1258     // If the address is an implicit cast, repeat with the cast operand.
1259     if (const ImplicitCastExpr *CastAddr = dyn_cast<ImplicitCastExpr>(Addr)) {
1260       Addr = CastAddr->getSubExpr();
1261       continue;
1262     }
1263     break;
1264   }
1265   return llvm::ConstantInt::get(CGF.Int32Ty, Align);
1266 }
1267 
1268 Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
1269                                            const CallExpr *E) {
1270   if (BuiltinID == ARM::BI__clear_cache) {
1271     const FunctionDecl *FD = E->getDirectCallee();
1272     // Oddly people write this call without args on occasion and gcc accepts
1273     // it - it's also marked as varargs in the description file.
1274     SmallVector<Value*, 2> Ops;
1275     for (unsigned i = 0; i < E->getNumArgs(); i++)
1276       Ops.push_back(EmitScalarExpr(E->getArg(i)));
1277     llvm::Type *Ty = CGM.getTypes().ConvertType(FD->getType());
1278     llvm::FunctionType *FTy = cast<llvm::FunctionType>(Ty);
1279     StringRef Name = FD->getName();
1280     return Builder.CreateCall(CGM.CreateRuntimeFunction(FTy, Name), Ops);
1281   }
1282 
1283   if (BuiltinID == ARM::BI__builtin_arm_ldrexd) {
1284     Function *F = CGM.getIntrinsic(Intrinsic::arm_ldrexd);
1285 
1286     Value *LdPtr = EmitScalarExpr(E->getArg(0));
1287     Value *Val = Builder.CreateCall(F, LdPtr, "ldrexd");
1288 
1289     Value *Val0 = Builder.CreateExtractValue(Val, 1);
1290     Value *Val1 = Builder.CreateExtractValue(Val, 0);
1291     Val0 = Builder.CreateZExt(Val0, Int64Ty);
1292     Val1 = Builder.CreateZExt(Val1, Int64Ty);
1293 
1294     Value *ShiftCst = llvm::ConstantInt::get(Int64Ty, 32);
1295     Val = Builder.CreateShl(Val0, ShiftCst, "shl", true /* nuw */);
1296     return Builder.CreateOr(Val, Val1);
1297   }
1298 
1299   if (BuiltinID == ARM::BI__builtin_arm_strexd) {
1300     Function *F = CGM.getIntrinsic(Intrinsic::arm_strexd);
1301     llvm::Type *STy = llvm::StructType::get(Int32Ty, Int32Ty, NULL);
1302 
1303     Value *One = llvm::ConstantInt::get(Int32Ty, 1);
1304     Value *Tmp = Builder.CreateAlloca(Int64Ty, One);
1305     Value *Val = EmitScalarExpr(E->getArg(0));
1306     Builder.CreateStore(Val, Tmp);
1307 
1308     Value *LdPtr = Builder.CreateBitCast(Tmp,llvm::PointerType::getUnqual(STy));
1309     Val = Builder.CreateLoad(LdPtr);
1310 
1311     Value *Arg0 = Builder.CreateExtractValue(Val, 0);
1312     Value *Arg1 = Builder.CreateExtractValue(Val, 1);
1313     Value *StPtr = EmitScalarExpr(E->getArg(1));
1314     return Builder.CreateCall3(F, Arg0, Arg1, StPtr, "strexd");
1315   }
1316 
1317   SmallVector<Value*, 4> Ops;
1318   for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++)
1319     Ops.push_back(EmitScalarExpr(E->getArg(i)));
1320 
1321   // vget_lane and vset_lane are not overloaded and do not have an extra
1322   // argument that specifies the vector type.
1323   switch (BuiltinID) {
1324   default: break;
1325   case ARM::BI__builtin_neon_vget_lane_i8:
1326   case ARM::BI__builtin_neon_vget_lane_i16:
1327   case ARM::BI__builtin_neon_vget_lane_i32:
1328   case ARM::BI__builtin_neon_vget_lane_i64:
1329   case ARM::BI__builtin_neon_vget_lane_f32:
1330   case ARM::BI__builtin_neon_vgetq_lane_i8:
1331   case ARM::BI__builtin_neon_vgetq_lane_i16:
1332   case ARM::BI__builtin_neon_vgetq_lane_i32:
1333   case ARM::BI__builtin_neon_vgetq_lane_i64:
1334   case ARM::BI__builtin_neon_vgetq_lane_f32:
1335     return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)),
1336                                         "vget_lane");
1337   case ARM::BI__builtin_neon_vset_lane_i8:
1338   case ARM::BI__builtin_neon_vset_lane_i16:
1339   case ARM::BI__builtin_neon_vset_lane_i32:
1340   case ARM::BI__builtin_neon_vset_lane_i64:
1341   case ARM::BI__builtin_neon_vset_lane_f32:
1342   case ARM::BI__builtin_neon_vsetq_lane_i8:
1343   case ARM::BI__builtin_neon_vsetq_lane_i16:
1344   case ARM::BI__builtin_neon_vsetq_lane_i32:
1345   case ARM::BI__builtin_neon_vsetq_lane_i64:
1346   case ARM::BI__builtin_neon_vsetq_lane_f32:
1347     Ops.push_back(EmitScalarExpr(E->getArg(2)));
1348     return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vset_lane");
1349   }
1350 
1351   // Get the last argument, which specifies the vector type.
1352   llvm::APSInt Result;
1353   const Expr *Arg = E->getArg(E->getNumArgs()-1);
1354   if (!Arg->isIntegerConstantExpr(Result, getContext()))
1355     return 0;
1356 
1357   if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f ||
1358       BuiltinID == ARM::BI__builtin_arm_vcvtr_d) {
1359     // Determine the overloaded type of this builtin.
1360     llvm::Type *Ty;
1361     if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f)
1362       Ty = llvm::Type::getFloatTy(getLLVMContext());
1363     else
1364       Ty = llvm::Type::getDoubleTy(getLLVMContext());
1365 
1366     // Determine whether this is an unsigned conversion or not.
1367     bool usgn = Result.getZExtValue() == 1;
1368     unsigned Int = usgn ? Intrinsic::arm_vcvtru : Intrinsic::arm_vcvtr;
1369 
1370     // Call the appropriate intrinsic.
1371     Function *F = CGM.getIntrinsic(Int, Ty);
1372     return Builder.CreateCall(F, Ops, "vcvtr");
1373   }
1374 
1375   // Determine the type of this overloaded NEON intrinsic.
1376   NeonTypeFlags Type(Result.getZExtValue());
1377   bool usgn = Type.isUnsigned();
1378   bool quad = Type.isQuad();
1379   bool rightShift = false;
1380 
1381   llvm::VectorType *VTy = GetNeonType(getLLVMContext(), Type);
1382   llvm::Type *Ty = VTy;
1383   if (!Ty)
1384     return 0;
1385 
1386   unsigned Int;
1387   switch (BuiltinID) {
1388   default: return 0;
1389   case ARM::BI__builtin_neon_vabd_v:
1390   case ARM::BI__builtin_neon_vabdq_v:
1391     Int = usgn ? Intrinsic::arm_neon_vabdu : Intrinsic::arm_neon_vabds;
1392     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vabd");
1393   case ARM::BI__builtin_neon_vabs_v:
1394   case ARM::BI__builtin_neon_vabsq_v:
1395     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vabs, Ty),
1396                         Ops, "vabs");
1397   case ARM::BI__builtin_neon_vaddhn_v:
1398     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vaddhn, Ty),
1399                         Ops, "vaddhn");
1400   case ARM::BI__builtin_neon_vcale_v:
1401     std::swap(Ops[0], Ops[1]);
1402   case ARM::BI__builtin_neon_vcage_v: {
1403     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vacged);
1404     return EmitNeonCall(F, Ops, "vcage");
1405   }
1406   case ARM::BI__builtin_neon_vcaleq_v:
1407     std::swap(Ops[0], Ops[1]);
1408   case ARM::BI__builtin_neon_vcageq_v: {
1409     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vacgeq);
1410     return EmitNeonCall(F, Ops, "vcage");
1411   }
1412   case ARM::BI__builtin_neon_vcalt_v:
1413     std::swap(Ops[0], Ops[1]);
1414   case ARM::BI__builtin_neon_vcagt_v: {
1415     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vacgtd);
1416     return EmitNeonCall(F, Ops, "vcagt");
1417   }
1418   case ARM::BI__builtin_neon_vcaltq_v:
1419     std::swap(Ops[0], Ops[1]);
1420   case ARM::BI__builtin_neon_vcagtq_v: {
1421     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vacgtq);
1422     return EmitNeonCall(F, Ops, "vcagt");
1423   }
1424   case ARM::BI__builtin_neon_vcls_v:
1425   case ARM::BI__builtin_neon_vclsq_v: {
1426     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vcls, Ty);
1427     return EmitNeonCall(F, Ops, "vcls");
1428   }
1429   case ARM::BI__builtin_neon_vclz_v:
1430   case ARM::BI__builtin_neon_vclzq_v: {
1431     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vclz, Ty);
1432     return EmitNeonCall(F, Ops, "vclz");
1433   }
1434   case ARM::BI__builtin_neon_vcnt_v:
1435   case ARM::BI__builtin_neon_vcntq_v: {
1436     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vcnt, Ty);
1437     return EmitNeonCall(F, Ops, "vcnt");
1438   }
1439   case ARM::BI__builtin_neon_vcvt_f16_v: {
1440     assert(Type.getEltType() == NeonTypeFlags::Float16 && !quad &&
1441            "unexpected vcvt_f16_v builtin");
1442     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vcvtfp2hf);
1443     return EmitNeonCall(F, Ops, "vcvt");
1444   }
1445   case ARM::BI__builtin_neon_vcvt_f32_f16: {
1446     assert(Type.getEltType() == NeonTypeFlags::Float16 && !quad &&
1447            "unexpected vcvt_f32_f16 builtin");
1448     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vcvthf2fp);
1449     return EmitNeonCall(F, Ops, "vcvt");
1450   }
1451   case ARM::BI__builtin_neon_vcvt_f32_v:
1452   case ARM::BI__builtin_neon_vcvtq_f32_v:
1453     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1454     Ty = GetNeonType(getLLVMContext(),
1455                      NeonTypeFlags(NeonTypeFlags::Float32, false, quad));
1456     return usgn ? Builder.CreateUIToFP(Ops[0], Ty, "vcvt")
1457                 : Builder.CreateSIToFP(Ops[0], Ty, "vcvt");
1458   case ARM::BI__builtin_neon_vcvt_s32_v:
1459   case ARM::BI__builtin_neon_vcvt_u32_v:
1460   case ARM::BI__builtin_neon_vcvtq_s32_v:
1461   case ARM::BI__builtin_neon_vcvtq_u32_v: {
1462     llvm::Type *FloatTy =
1463       GetNeonType(getLLVMContext(),
1464                   NeonTypeFlags(NeonTypeFlags::Float32, false, quad));
1465     Ops[0] = Builder.CreateBitCast(Ops[0], FloatTy);
1466     return usgn ? Builder.CreateFPToUI(Ops[0], Ty, "vcvt")
1467                 : Builder.CreateFPToSI(Ops[0], Ty, "vcvt");
1468   }
1469   case ARM::BI__builtin_neon_vcvt_n_f32_v:
1470   case ARM::BI__builtin_neon_vcvtq_n_f32_v: {
1471     llvm::Type *FloatTy =
1472       GetNeonType(getLLVMContext(),
1473                   NeonTypeFlags(NeonTypeFlags::Float32, false, quad));
1474     llvm::Type *Tys[2] = { FloatTy, Ty };
1475     Int = usgn ? Intrinsic::arm_neon_vcvtfxu2fp
1476                : Intrinsic::arm_neon_vcvtfxs2fp;
1477     Function *F = CGM.getIntrinsic(Int, Tys);
1478     return EmitNeonCall(F, Ops, "vcvt_n");
1479   }
1480   case ARM::BI__builtin_neon_vcvt_n_s32_v:
1481   case ARM::BI__builtin_neon_vcvt_n_u32_v:
1482   case ARM::BI__builtin_neon_vcvtq_n_s32_v:
1483   case ARM::BI__builtin_neon_vcvtq_n_u32_v: {
1484     llvm::Type *FloatTy =
1485       GetNeonType(getLLVMContext(),
1486                   NeonTypeFlags(NeonTypeFlags::Float32, false, quad));
1487     llvm::Type *Tys[2] = { Ty, FloatTy };
1488     Int = usgn ? Intrinsic::arm_neon_vcvtfp2fxu
1489                : Intrinsic::arm_neon_vcvtfp2fxs;
1490     Function *F = CGM.getIntrinsic(Int, Tys);
1491     return EmitNeonCall(F, Ops, "vcvt_n");
1492   }
1493   case ARM::BI__builtin_neon_vext_v:
1494   case ARM::BI__builtin_neon_vextq_v: {
1495     int CV = cast<ConstantInt>(Ops[2])->getSExtValue();
1496     SmallVector<Constant*, 16> Indices;
1497     for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i)
1498       Indices.push_back(ConstantInt::get(Int32Ty, i+CV));
1499 
1500     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1501     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1502     Value *SV = llvm::ConstantVector::get(Indices);
1503     return Builder.CreateShuffleVector(Ops[0], Ops[1], SV, "vext");
1504   }
1505   case ARM::BI__builtin_neon_vhadd_v:
1506   case ARM::BI__builtin_neon_vhaddq_v:
1507     Int = usgn ? Intrinsic::arm_neon_vhaddu : Intrinsic::arm_neon_vhadds;
1508     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vhadd");
1509   case ARM::BI__builtin_neon_vhsub_v:
1510   case ARM::BI__builtin_neon_vhsubq_v:
1511     Int = usgn ? Intrinsic::arm_neon_vhsubu : Intrinsic::arm_neon_vhsubs;
1512     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vhsub");
1513   case ARM::BI__builtin_neon_vld1_v:
1514   case ARM::BI__builtin_neon_vld1q_v:
1515     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1516     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vld1, Ty),
1517                         Ops, "vld1");
1518   case ARM::BI__builtin_neon_vld1_lane_v:
1519   case ARM::BI__builtin_neon_vld1q_lane_v:
1520     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1521     Ty = llvm::PointerType::getUnqual(VTy->getElementType());
1522     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1523     Ops[0] = Builder.CreateLoad(Ops[0]);
1524     return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vld1_lane");
1525   case ARM::BI__builtin_neon_vld1_dup_v:
1526   case ARM::BI__builtin_neon_vld1q_dup_v: {
1527     Value *V = UndefValue::get(Ty);
1528     Ty = llvm::PointerType::getUnqual(VTy->getElementType());
1529     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1530     Ops[0] = Builder.CreateLoad(Ops[0]);
1531     llvm::Constant *CI = ConstantInt::get(Int32Ty, 0);
1532     Ops[0] = Builder.CreateInsertElement(V, Ops[0], CI);
1533     return EmitNeonSplat(Ops[0], CI);
1534   }
1535   case ARM::BI__builtin_neon_vld2_v:
1536   case ARM::BI__builtin_neon_vld2q_v: {
1537     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld2, Ty);
1538     Value *Align = GetPointeeAlignment(*this, E->getArg(1));
1539     Ops[1] = Builder.CreateCall2(F, Ops[1], Align, "vld2");
1540     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1541     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1542     return Builder.CreateStore(Ops[1], Ops[0]);
1543   }
1544   case ARM::BI__builtin_neon_vld3_v:
1545   case ARM::BI__builtin_neon_vld3q_v: {
1546     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld3, Ty);
1547     Value *Align = GetPointeeAlignment(*this, E->getArg(1));
1548     Ops[1] = Builder.CreateCall2(F, Ops[1], Align, "vld3");
1549     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1550     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1551     return Builder.CreateStore(Ops[1], Ops[0]);
1552   }
1553   case ARM::BI__builtin_neon_vld4_v:
1554   case ARM::BI__builtin_neon_vld4q_v: {
1555     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld4, Ty);
1556     Value *Align = GetPointeeAlignment(*this, E->getArg(1));
1557     Ops[1] = Builder.CreateCall2(F, Ops[1], Align, "vld4");
1558     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1559     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1560     return Builder.CreateStore(Ops[1], Ops[0]);
1561   }
1562   case ARM::BI__builtin_neon_vld2_lane_v:
1563   case ARM::BI__builtin_neon_vld2q_lane_v: {
1564     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld2lane, Ty);
1565     Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
1566     Ops[3] = Builder.CreateBitCast(Ops[3], Ty);
1567     Ops.push_back(GetPointeeAlignment(*this, E->getArg(1)));
1568     Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), "vld2_lane");
1569     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1570     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1571     return Builder.CreateStore(Ops[1], Ops[0]);
1572   }
1573   case ARM::BI__builtin_neon_vld3_lane_v:
1574   case ARM::BI__builtin_neon_vld3q_lane_v: {
1575     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld3lane, Ty);
1576     Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
1577     Ops[3] = Builder.CreateBitCast(Ops[3], Ty);
1578     Ops[4] = Builder.CreateBitCast(Ops[4], Ty);
1579     Ops.push_back(GetPointeeAlignment(*this, E->getArg(1)));
1580     Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), "vld3_lane");
1581     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1582     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1583     return Builder.CreateStore(Ops[1], Ops[0]);
1584   }
1585   case ARM::BI__builtin_neon_vld4_lane_v:
1586   case ARM::BI__builtin_neon_vld4q_lane_v: {
1587     Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld4lane, Ty);
1588     Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
1589     Ops[3] = Builder.CreateBitCast(Ops[3], Ty);
1590     Ops[4] = Builder.CreateBitCast(Ops[4], Ty);
1591     Ops[5] = Builder.CreateBitCast(Ops[5], Ty);
1592     Ops.push_back(GetPointeeAlignment(*this, E->getArg(1)));
1593     Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), "vld3_lane");
1594     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1595     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1596     return Builder.CreateStore(Ops[1], Ops[0]);
1597   }
1598   case ARM::BI__builtin_neon_vld2_dup_v:
1599   case ARM::BI__builtin_neon_vld3_dup_v:
1600   case ARM::BI__builtin_neon_vld4_dup_v: {
1601     // Handle 64-bit elements as a special-case.  There is no "dup" needed.
1602     if (VTy->getElementType()->getPrimitiveSizeInBits() == 64) {
1603       switch (BuiltinID) {
1604       case ARM::BI__builtin_neon_vld2_dup_v:
1605         Int = Intrinsic::arm_neon_vld2;
1606         break;
1607       case ARM::BI__builtin_neon_vld3_dup_v:
1608         Int = Intrinsic::arm_neon_vld2;
1609         break;
1610       case ARM::BI__builtin_neon_vld4_dup_v:
1611         Int = Intrinsic::arm_neon_vld2;
1612         break;
1613       default: llvm_unreachable("unknown vld_dup intrinsic?");
1614       }
1615       Function *F = CGM.getIntrinsic(Int, Ty);
1616       Value *Align = GetPointeeAlignment(*this, E->getArg(1));
1617       Ops[1] = Builder.CreateCall2(F, Ops[1], Align, "vld_dup");
1618       Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1619       Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1620       return Builder.CreateStore(Ops[1], Ops[0]);
1621     }
1622     switch (BuiltinID) {
1623     case ARM::BI__builtin_neon_vld2_dup_v:
1624       Int = Intrinsic::arm_neon_vld2lane;
1625       break;
1626     case ARM::BI__builtin_neon_vld3_dup_v:
1627       Int = Intrinsic::arm_neon_vld2lane;
1628       break;
1629     case ARM::BI__builtin_neon_vld4_dup_v:
1630       Int = Intrinsic::arm_neon_vld2lane;
1631       break;
1632     default: llvm_unreachable("unknown vld_dup intrinsic?");
1633     }
1634     Function *F = CGM.getIntrinsic(Int, Ty);
1635     llvm::StructType *STy = cast<llvm::StructType>(F->getReturnType());
1636 
1637     SmallVector<Value*, 6> Args;
1638     Args.push_back(Ops[1]);
1639     Args.append(STy->getNumElements(), UndefValue::get(Ty));
1640 
1641     llvm::Constant *CI = ConstantInt::get(Int32Ty, 0);
1642     Args.push_back(CI);
1643     Args.push_back(GetPointeeAlignment(*this, E->getArg(1)));
1644 
1645     Ops[1] = Builder.CreateCall(F, Args, "vld_dup");
1646     // splat lane 0 to all elts in each vector of the result.
1647     for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
1648       Value *Val = Builder.CreateExtractValue(Ops[1], i);
1649       Value *Elt = Builder.CreateBitCast(Val, Ty);
1650       Elt = EmitNeonSplat(Elt, CI);
1651       Elt = Builder.CreateBitCast(Elt, Val->getType());
1652       Ops[1] = Builder.CreateInsertValue(Ops[1], Elt, i);
1653     }
1654     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1655     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1656     return Builder.CreateStore(Ops[1], Ops[0]);
1657   }
1658   case ARM::BI__builtin_neon_vmax_v:
1659   case ARM::BI__builtin_neon_vmaxq_v:
1660     Int = usgn ? Intrinsic::arm_neon_vmaxu : Intrinsic::arm_neon_vmaxs;
1661     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmax");
1662   case ARM::BI__builtin_neon_vmin_v:
1663   case ARM::BI__builtin_neon_vminq_v:
1664     Int = usgn ? Intrinsic::arm_neon_vminu : Intrinsic::arm_neon_vmins;
1665     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmin");
1666   case ARM::BI__builtin_neon_vmovl_v: {
1667     llvm::Type *DTy =llvm::VectorType::getTruncatedElementVectorType(VTy);
1668     Ops[0] = Builder.CreateBitCast(Ops[0], DTy);
1669     if (usgn)
1670       return Builder.CreateZExt(Ops[0], Ty, "vmovl");
1671     return Builder.CreateSExt(Ops[0], Ty, "vmovl");
1672   }
1673   case ARM::BI__builtin_neon_vmovn_v: {
1674     llvm::Type *QTy = llvm::VectorType::getExtendedElementVectorType(VTy);
1675     Ops[0] = Builder.CreateBitCast(Ops[0], QTy);
1676     return Builder.CreateTrunc(Ops[0], Ty, "vmovn");
1677   }
1678   case ARM::BI__builtin_neon_vmul_v:
1679   case ARM::BI__builtin_neon_vmulq_v:
1680     assert(Type.isPoly() && "vmul builtin only supported for polynomial types");
1681     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vmulp, Ty),
1682                         Ops, "vmul");
1683   case ARM::BI__builtin_neon_vmull_v:
1684     Int = usgn ? Intrinsic::arm_neon_vmullu : Intrinsic::arm_neon_vmulls;
1685     Int = Type.isPoly() ? (unsigned)Intrinsic::arm_neon_vmullp : Int;
1686     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmull");
1687   case ARM::BI__builtin_neon_vpadal_v:
1688   case ARM::BI__builtin_neon_vpadalq_v: {
1689     Int = usgn ? Intrinsic::arm_neon_vpadalu : Intrinsic::arm_neon_vpadals;
1690     // The source operand type has twice as many elements of half the size.
1691     unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits();
1692     llvm::Type *EltTy =
1693       llvm::IntegerType::get(getLLVMContext(), EltBits / 2);
1694     llvm::Type *NarrowTy =
1695       llvm::VectorType::get(EltTy, VTy->getNumElements() * 2);
1696     llvm::Type *Tys[2] = { Ty, NarrowTy };
1697     return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vpadal");
1698   }
1699   case ARM::BI__builtin_neon_vpadd_v:
1700     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vpadd, Ty),
1701                         Ops, "vpadd");
1702   case ARM::BI__builtin_neon_vpaddl_v:
1703   case ARM::BI__builtin_neon_vpaddlq_v: {
1704     Int = usgn ? Intrinsic::arm_neon_vpaddlu : Intrinsic::arm_neon_vpaddls;
1705     // The source operand type has twice as many elements of half the size.
1706     unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits();
1707     llvm::Type *EltTy = llvm::IntegerType::get(getLLVMContext(), EltBits / 2);
1708     llvm::Type *NarrowTy =
1709       llvm::VectorType::get(EltTy, VTy->getNumElements() * 2);
1710     llvm::Type *Tys[2] = { Ty, NarrowTy };
1711     return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vpaddl");
1712   }
1713   case ARM::BI__builtin_neon_vpmax_v:
1714     Int = usgn ? Intrinsic::arm_neon_vpmaxu : Intrinsic::arm_neon_vpmaxs;
1715     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vpmax");
1716   case ARM::BI__builtin_neon_vpmin_v:
1717     Int = usgn ? Intrinsic::arm_neon_vpminu : Intrinsic::arm_neon_vpmins;
1718     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vpmin");
1719   case ARM::BI__builtin_neon_vqabs_v:
1720   case ARM::BI__builtin_neon_vqabsq_v:
1721     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqabs, Ty),
1722                         Ops, "vqabs");
1723   case ARM::BI__builtin_neon_vqadd_v:
1724   case ARM::BI__builtin_neon_vqaddq_v:
1725     Int = usgn ? Intrinsic::arm_neon_vqaddu : Intrinsic::arm_neon_vqadds;
1726     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqadd");
1727   case ARM::BI__builtin_neon_vqdmlal_v:
1728     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqdmlal, Ty),
1729                         Ops, "vqdmlal");
1730   case ARM::BI__builtin_neon_vqdmlsl_v:
1731     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqdmlsl, Ty),
1732                         Ops, "vqdmlsl");
1733   case ARM::BI__builtin_neon_vqdmulh_v:
1734   case ARM::BI__builtin_neon_vqdmulhq_v:
1735     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqdmulh, Ty),
1736                         Ops, "vqdmulh");
1737   case ARM::BI__builtin_neon_vqdmull_v:
1738     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqdmull, Ty),
1739                         Ops, "vqdmull");
1740   case ARM::BI__builtin_neon_vqmovn_v:
1741     Int = usgn ? Intrinsic::arm_neon_vqmovnu : Intrinsic::arm_neon_vqmovns;
1742     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqmovn");
1743   case ARM::BI__builtin_neon_vqmovun_v:
1744     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqmovnsu, Ty),
1745                         Ops, "vqdmull");
1746   case ARM::BI__builtin_neon_vqneg_v:
1747   case ARM::BI__builtin_neon_vqnegq_v:
1748     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqneg, Ty),
1749                         Ops, "vqneg");
1750   case ARM::BI__builtin_neon_vqrdmulh_v:
1751   case ARM::BI__builtin_neon_vqrdmulhq_v:
1752     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqrdmulh, Ty),
1753                         Ops, "vqrdmulh");
1754   case ARM::BI__builtin_neon_vqrshl_v:
1755   case ARM::BI__builtin_neon_vqrshlq_v:
1756     Int = usgn ? Intrinsic::arm_neon_vqrshiftu : Intrinsic::arm_neon_vqrshifts;
1757     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqrshl");
1758   case ARM::BI__builtin_neon_vqrshrn_n_v:
1759     Int = usgn ? Intrinsic::arm_neon_vqrshiftnu : Intrinsic::arm_neon_vqrshiftns;
1760     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqrshrn_n",
1761                         1, true);
1762   case ARM::BI__builtin_neon_vqrshrun_n_v:
1763     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqrshiftnsu, Ty),
1764                         Ops, "vqrshrun_n", 1, true);
1765   case ARM::BI__builtin_neon_vqshl_v:
1766   case ARM::BI__builtin_neon_vqshlq_v:
1767     Int = usgn ? Intrinsic::arm_neon_vqshiftu : Intrinsic::arm_neon_vqshifts;
1768     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshl");
1769   case ARM::BI__builtin_neon_vqshl_n_v:
1770   case ARM::BI__builtin_neon_vqshlq_n_v:
1771     Int = usgn ? Intrinsic::arm_neon_vqshiftu : Intrinsic::arm_neon_vqshifts;
1772     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshl_n",
1773                         1, false);
1774   case ARM::BI__builtin_neon_vqshlu_n_v:
1775   case ARM::BI__builtin_neon_vqshluq_n_v:
1776     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqshiftsu, Ty),
1777                         Ops, "vqshlu", 1, false);
1778   case ARM::BI__builtin_neon_vqshrn_n_v:
1779     Int = usgn ? Intrinsic::arm_neon_vqshiftnu : Intrinsic::arm_neon_vqshiftns;
1780     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshrn_n",
1781                         1, true);
1782   case ARM::BI__builtin_neon_vqshrun_n_v:
1783     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqshiftnsu, Ty),
1784                         Ops, "vqshrun_n", 1, true);
1785   case ARM::BI__builtin_neon_vqsub_v:
1786   case ARM::BI__builtin_neon_vqsubq_v:
1787     Int = usgn ? Intrinsic::arm_neon_vqsubu : Intrinsic::arm_neon_vqsubs;
1788     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqsub");
1789   case ARM::BI__builtin_neon_vraddhn_v:
1790     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vraddhn, Ty),
1791                         Ops, "vraddhn");
1792   case ARM::BI__builtin_neon_vrecpe_v:
1793   case ARM::BI__builtin_neon_vrecpeq_v:
1794     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrecpe, Ty),
1795                         Ops, "vrecpe");
1796   case ARM::BI__builtin_neon_vrecps_v:
1797   case ARM::BI__builtin_neon_vrecpsq_v:
1798     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrecps, Ty),
1799                         Ops, "vrecps");
1800   case ARM::BI__builtin_neon_vrhadd_v:
1801   case ARM::BI__builtin_neon_vrhaddq_v:
1802     Int = usgn ? Intrinsic::arm_neon_vrhaddu : Intrinsic::arm_neon_vrhadds;
1803     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrhadd");
1804   case ARM::BI__builtin_neon_vrshl_v:
1805   case ARM::BI__builtin_neon_vrshlq_v:
1806     Int = usgn ? Intrinsic::arm_neon_vrshiftu : Intrinsic::arm_neon_vrshifts;
1807     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrshl");
1808   case ARM::BI__builtin_neon_vrshrn_n_v:
1809     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrshiftn, Ty),
1810                         Ops, "vrshrn_n", 1, true);
1811   case ARM::BI__builtin_neon_vrshr_n_v:
1812   case ARM::BI__builtin_neon_vrshrq_n_v:
1813     Int = usgn ? Intrinsic::arm_neon_vrshiftu : Intrinsic::arm_neon_vrshifts;
1814     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrshr_n", 1, true);
1815   case ARM::BI__builtin_neon_vrsqrte_v:
1816   case ARM::BI__builtin_neon_vrsqrteq_v:
1817     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrsqrte, Ty),
1818                         Ops, "vrsqrte");
1819   case ARM::BI__builtin_neon_vrsqrts_v:
1820   case ARM::BI__builtin_neon_vrsqrtsq_v:
1821     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrsqrts, Ty),
1822                         Ops, "vrsqrts");
1823   case ARM::BI__builtin_neon_vrsra_n_v:
1824   case ARM::BI__builtin_neon_vrsraq_n_v:
1825     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1826     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1827     Ops[2] = EmitNeonShiftVector(Ops[2], Ty, true);
1828     Int = usgn ? Intrinsic::arm_neon_vrshiftu : Intrinsic::arm_neon_vrshifts;
1829     Ops[1] = Builder.CreateCall2(CGM.getIntrinsic(Int, Ty), Ops[1], Ops[2]);
1830     return Builder.CreateAdd(Ops[0], Ops[1], "vrsra_n");
1831   case ARM::BI__builtin_neon_vrsubhn_v:
1832     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrsubhn, Ty),
1833                         Ops, "vrsubhn");
1834   case ARM::BI__builtin_neon_vshl_v:
1835   case ARM::BI__builtin_neon_vshlq_v:
1836     Int = usgn ? Intrinsic::arm_neon_vshiftu : Intrinsic::arm_neon_vshifts;
1837     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vshl");
1838   case ARM::BI__builtin_neon_vshll_n_v:
1839     Int = usgn ? Intrinsic::arm_neon_vshiftlu : Intrinsic::arm_neon_vshiftls;
1840     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vshll", 1);
1841   case ARM::BI__builtin_neon_vshl_n_v:
1842   case ARM::BI__builtin_neon_vshlq_n_v:
1843     Ops[1] = EmitNeonShiftVector(Ops[1], Ty, false);
1844     return Builder.CreateShl(Builder.CreateBitCast(Ops[0],Ty), Ops[1], "vshl_n");
1845   case ARM::BI__builtin_neon_vshrn_n_v:
1846     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vshiftn, Ty),
1847                         Ops, "vshrn_n", 1, true);
1848   case ARM::BI__builtin_neon_vshr_n_v:
1849   case ARM::BI__builtin_neon_vshrq_n_v:
1850     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1851     Ops[1] = EmitNeonShiftVector(Ops[1], Ty, false);
1852     if (usgn)
1853       return Builder.CreateLShr(Ops[0], Ops[1], "vshr_n");
1854     else
1855       return Builder.CreateAShr(Ops[0], Ops[1], "vshr_n");
1856   case ARM::BI__builtin_neon_vsri_n_v:
1857   case ARM::BI__builtin_neon_vsriq_n_v:
1858     rightShift = true;
1859   case ARM::BI__builtin_neon_vsli_n_v:
1860   case ARM::BI__builtin_neon_vsliq_n_v:
1861     Ops[2] = EmitNeonShiftVector(Ops[2], Ty, rightShift);
1862     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vshiftins, Ty),
1863                         Ops, "vsli_n");
1864   case ARM::BI__builtin_neon_vsra_n_v:
1865   case ARM::BI__builtin_neon_vsraq_n_v:
1866     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1867     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1868     Ops[2] = EmitNeonShiftVector(Ops[2], Ty, false);
1869     if (usgn)
1870       Ops[1] = Builder.CreateLShr(Ops[1], Ops[2], "vsra_n");
1871     else
1872       Ops[1] = Builder.CreateAShr(Ops[1], Ops[2], "vsra_n");
1873     return Builder.CreateAdd(Ops[0], Ops[1]);
1874   case ARM::BI__builtin_neon_vst1_v:
1875   case ARM::BI__builtin_neon_vst1q_v:
1876     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1877     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst1, Ty),
1878                         Ops, "");
1879   case ARM::BI__builtin_neon_vst1_lane_v:
1880   case ARM::BI__builtin_neon_vst1q_lane_v:
1881     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1882     Ops[1] = Builder.CreateExtractElement(Ops[1], Ops[2]);
1883     Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
1884     return Builder.CreateStore(Ops[1], Builder.CreateBitCast(Ops[0], Ty));
1885   case ARM::BI__builtin_neon_vst2_v:
1886   case ARM::BI__builtin_neon_vst2q_v:
1887     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1888     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst2, Ty),
1889                         Ops, "");
1890   case ARM::BI__builtin_neon_vst2_lane_v:
1891   case ARM::BI__builtin_neon_vst2q_lane_v:
1892     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1893     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst2lane, Ty),
1894                         Ops, "");
1895   case ARM::BI__builtin_neon_vst3_v:
1896   case ARM::BI__builtin_neon_vst3q_v:
1897     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1898     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst3, Ty),
1899                         Ops, "");
1900   case ARM::BI__builtin_neon_vst3_lane_v:
1901   case ARM::BI__builtin_neon_vst3q_lane_v:
1902     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1903     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst3lane, Ty),
1904                         Ops, "");
1905   case ARM::BI__builtin_neon_vst4_v:
1906   case ARM::BI__builtin_neon_vst4q_v:
1907     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1908     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst4, Ty),
1909                         Ops, "");
1910   case ARM::BI__builtin_neon_vst4_lane_v:
1911   case ARM::BI__builtin_neon_vst4q_lane_v:
1912     Ops.push_back(GetPointeeAlignment(*this, E->getArg(0)));
1913     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst4lane, Ty),
1914                         Ops, "");
1915   case ARM::BI__builtin_neon_vsubhn_v:
1916     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vsubhn, Ty),
1917                         Ops, "vsubhn");
1918   case ARM::BI__builtin_neon_vtbl1_v:
1919     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl1),
1920                         Ops, "vtbl1");
1921   case ARM::BI__builtin_neon_vtbl2_v:
1922     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl2),
1923                         Ops, "vtbl2");
1924   case ARM::BI__builtin_neon_vtbl3_v:
1925     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl3),
1926                         Ops, "vtbl3");
1927   case ARM::BI__builtin_neon_vtbl4_v:
1928     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl4),
1929                         Ops, "vtbl4");
1930   case ARM::BI__builtin_neon_vtbx1_v:
1931     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx1),
1932                         Ops, "vtbx1");
1933   case ARM::BI__builtin_neon_vtbx2_v:
1934     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx2),
1935                         Ops, "vtbx2");
1936   case ARM::BI__builtin_neon_vtbx3_v:
1937     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx3),
1938                         Ops, "vtbx3");
1939   case ARM::BI__builtin_neon_vtbx4_v:
1940     return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx4),
1941                         Ops, "vtbx4");
1942   case ARM::BI__builtin_neon_vtst_v:
1943   case ARM::BI__builtin_neon_vtstq_v: {
1944     Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
1945     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1946     Ops[0] = Builder.CreateAnd(Ops[0], Ops[1]);
1947     Ops[0] = Builder.CreateICmp(ICmpInst::ICMP_NE, Ops[0],
1948                                 ConstantAggregateZero::get(Ty));
1949     return Builder.CreateSExt(Ops[0], Ty, "vtst");
1950   }
1951   case ARM::BI__builtin_neon_vtrn_v:
1952   case ARM::BI__builtin_neon_vtrnq_v: {
1953     Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty));
1954     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1955     Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
1956     Value *SV = 0;
1957 
1958     for (unsigned vi = 0; vi != 2; ++vi) {
1959       SmallVector<Constant*, 16> Indices;
1960       for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) {
1961         Indices.push_back(Builder.getInt32(i+vi));
1962         Indices.push_back(Builder.getInt32(i+e+vi));
1963       }
1964       Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ops[0], vi);
1965       SV = llvm::ConstantVector::get(Indices);
1966       SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vtrn");
1967       SV = Builder.CreateStore(SV, Addr);
1968     }
1969     return SV;
1970   }
1971   case ARM::BI__builtin_neon_vuzp_v:
1972   case ARM::BI__builtin_neon_vuzpq_v: {
1973     Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty));
1974     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1975     Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
1976     Value *SV = 0;
1977 
1978     for (unsigned vi = 0; vi != 2; ++vi) {
1979       SmallVector<Constant*, 16> Indices;
1980       for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i)
1981         Indices.push_back(ConstantInt::get(Int32Ty, 2*i+vi));
1982 
1983       Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ops[0], vi);
1984       SV = llvm::ConstantVector::get(Indices);
1985       SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vuzp");
1986       SV = Builder.CreateStore(SV, Addr);
1987     }
1988     return SV;
1989   }
1990   case ARM::BI__builtin_neon_vzip_v:
1991   case ARM::BI__builtin_neon_vzipq_v: {
1992     Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty));
1993     Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
1994     Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
1995     Value *SV = 0;
1996 
1997     for (unsigned vi = 0; vi != 2; ++vi) {
1998       SmallVector<Constant*, 16> Indices;
1999       for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) {
2000         Indices.push_back(ConstantInt::get(Int32Ty, (i + vi*e) >> 1));
2001         Indices.push_back(ConstantInt::get(Int32Ty, ((i + vi*e) >> 1)+e));
2002       }
2003       Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ops[0], vi);
2004       SV = llvm::ConstantVector::get(Indices);
2005       SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vzip");
2006       SV = Builder.CreateStore(SV, Addr);
2007     }
2008     return SV;
2009   }
2010   }
2011 }
2012 
2013 llvm::Value *CodeGenFunction::
2014 BuildVector(const SmallVectorImpl<llvm::Value*> &Ops) {
2015   assert((Ops.size() & (Ops.size() - 1)) == 0 &&
2016          "Not a power-of-two sized vector!");
2017   bool AllConstants = true;
2018   for (unsigned i = 0, e = Ops.size(); i != e && AllConstants; ++i)
2019     AllConstants &= isa<Constant>(Ops[i]);
2020 
2021   // If this is a constant vector, create a ConstantVector.
2022   if (AllConstants) {
2023     SmallVector<llvm::Constant*, 16> CstOps;
2024     for (unsigned i = 0, e = Ops.size(); i != e; ++i)
2025       CstOps.push_back(cast<Constant>(Ops[i]));
2026     return llvm::ConstantVector::get(CstOps);
2027   }
2028 
2029   // Otherwise, insertelement the values to build the vector.
2030   Value *Result =
2031     llvm::UndefValue::get(llvm::VectorType::get(Ops[0]->getType(), Ops.size()));
2032 
2033   for (unsigned i = 0, e = Ops.size(); i != e; ++i)
2034     Result = Builder.CreateInsertElement(Result, Ops[i], Builder.getInt32(i));
2035 
2036   return Result;
2037 }
2038 
2039 Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
2040                                            const CallExpr *E) {
2041   SmallVector<Value*, 4> Ops;
2042 
2043   // Find out if any arguments are required to be integer constant expressions.
2044   unsigned ICEArguments = 0;
2045   ASTContext::GetBuiltinTypeError Error;
2046   getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments);
2047   assert(Error == ASTContext::GE_None && "Should not codegen an error");
2048 
2049   for (unsigned i = 0, e = E->getNumArgs(); i != e; i++) {
2050     // If this is a normal argument, just emit it as a scalar.
2051     if ((ICEArguments & (1 << i)) == 0) {
2052       Ops.push_back(EmitScalarExpr(E->getArg(i)));
2053       continue;
2054     }
2055 
2056     // If this is required to be a constant, constant fold it so that we know
2057     // that the generated intrinsic gets a ConstantInt.
2058     llvm::APSInt Result;
2059     bool IsConst = E->getArg(i)->isIntegerConstantExpr(Result, getContext());
2060     assert(IsConst && "Constant arg isn't actually constant?"); (void)IsConst;
2061     Ops.push_back(llvm::ConstantInt::get(getLLVMContext(), Result));
2062   }
2063 
2064   switch (BuiltinID) {
2065   default: return 0;
2066   case X86::BI__builtin_ia32_pslldi128:
2067   case X86::BI__builtin_ia32_psllqi128:
2068   case X86::BI__builtin_ia32_psllwi128:
2069   case X86::BI__builtin_ia32_psradi128:
2070   case X86::BI__builtin_ia32_psrawi128:
2071   case X86::BI__builtin_ia32_psrldi128:
2072   case X86::BI__builtin_ia32_psrlqi128:
2073   case X86::BI__builtin_ia32_psrlwi128: {
2074     Ops[1] = Builder.CreateZExt(Ops[1], Int64Ty, "zext");
2075     llvm::Type *Ty = llvm::VectorType::get(Int64Ty, 2);
2076     llvm::Value *Zero = llvm::ConstantInt::get(Int32Ty, 0);
2077     Ops[1] = Builder.CreateInsertElement(llvm::UndefValue::get(Ty),
2078                                          Ops[1], Zero, "insert");
2079     Ops[1] = Builder.CreateBitCast(Ops[1], Ops[0]->getType(), "bitcast");
2080     const char *name = 0;
2081     Intrinsic::ID ID = Intrinsic::not_intrinsic;
2082 
2083     switch (BuiltinID) {
2084     default: llvm_unreachable("Unsupported shift intrinsic!");
2085     case X86::BI__builtin_ia32_pslldi128:
2086       name = "pslldi";
2087       ID = Intrinsic::x86_sse2_psll_d;
2088       break;
2089     case X86::BI__builtin_ia32_psllqi128:
2090       name = "psllqi";
2091       ID = Intrinsic::x86_sse2_psll_q;
2092       break;
2093     case X86::BI__builtin_ia32_psllwi128:
2094       name = "psllwi";
2095       ID = Intrinsic::x86_sse2_psll_w;
2096       break;
2097     case X86::BI__builtin_ia32_psradi128:
2098       name = "psradi";
2099       ID = Intrinsic::x86_sse2_psra_d;
2100       break;
2101     case X86::BI__builtin_ia32_psrawi128:
2102       name = "psrawi";
2103       ID = Intrinsic::x86_sse2_psra_w;
2104       break;
2105     case X86::BI__builtin_ia32_psrldi128:
2106       name = "psrldi";
2107       ID = Intrinsic::x86_sse2_psrl_d;
2108       break;
2109     case X86::BI__builtin_ia32_psrlqi128:
2110       name = "psrlqi";
2111       ID = Intrinsic::x86_sse2_psrl_q;
2112       break;
2113     case X86::BI__builtin_ia32_psrlwi128:
2114       name = "psrlwi";
2115       ID = Intrinsic::x86_sse2_psrl_w;
2116       break;
2117     }
2118     llvm::Function *F = CGM.getIntrinsic(ID);
2119     return Builder.CreateCall(F, Ops, name);
2120   }
2121   case X86::BI__builtin_ia32_vec_init_v8qi:
2122   case X86::BI__builtin_ia32_vec_init_v4hi:
2123   case X86::BI__builtin_ia32_vec_init_v2si:
2124     return Builder.CreateBitCast(BuildVector(Ops),
2125                                  llvm::Type::getX86_MMXTy(getLLVMContext()));
2126   case X86::BI__builtin_ia32_vec_ext_v2si:
2127     return Builder.CreateExtractElement(Ops[0],
2128                                   llvm::ConstantInt::get(Ops[1]->getType(), 0));
2129   case X86::BI__builtin_ia32_pslldi:
2130   case X86::BI__builtin_ia32_psllqi:
2131   case X86::BI__builtin_ia32_psllwi:
2132   case X86::BI__builtin_ia32_psradi:
2133   case X86::BI__builtin_ia32_psrawi:
2134   case X86::BI__builtin_ia32_psrldi:
2135   case X86::BI__builtin_ia32_psrlqi:
2136   case X86::BI__builtin_ia32_psrlwi: {
2137     Ops[1] = Builder.CreateZExt(Ops[1], Int64Ty, "zext");
2138     llvm::Type *Ty = llvm::VectorType::get(Int64Ty, 1);
2139     Ops[1] = Builder.CreateBitCast(Ops[1], Ty, "bitcast");
2140     const char *name = 0;
2141     Intrinsic::ID ID = Intrinsic::not_intrinsic;
2142 
2143     switch (BuiltinID) {
2144     default: llvm_unreachable("Unsupported shift intrinsic!");
2145     case X86::BI__builtin_ia32_pslldi:
2146       name = "pslldi";
2147       ID = Intrinsic::x86_mmx_psll_d;
2148       break;
2149     case X86::BI__builtin_ia32_psllqi:
2150       name = "psllqi";
2151       ID = Intrinsic::x86_mmx_psll_q;
2152       break;
2153     case X86::BI__builtin_ia32_psllwi:
2154       name = "psllwi";
2155       ID = Intrinsic::x86_mmx_psll_w;
2156       break;
2157     case X86::BI__builtin_ia32_psradi:
2158       name = "psradi";
2159       ID = Intrinsic::x86_mmx_psra_d;
2160       break;
2161     case X86::BI__builtin_ia32_psrawi:
2162       name = "psrawi";
2163       ID = Intrinsic::x86_mmx_psra_w;
2164       break;
2165     case X86::BI__builtin_ia32_psrldi:
2166       name = "psrldi";
2167       ID = Intrinsic::x86_mmx_psrl_d;
2168       break;
2169     case X86::BI__builtin_ia32_psrlqi:
2170       name = "psrlqi";
2171       ID = Intrinsic::x86_mmx_psrl_q;
2172       break;
2173     case X86::BI__builtin_ia32_psrlwi:
2174       name = "psrlwi";
2175       ID = Intrinsic::x86_mmx_psrl_w;
2176       break;
2177     }
2178     llvm::Function *F = CGM.getIntrinsic(ID);
2179     return Builder.CreateCall(F, Ops, name);
2180   }
2181   case X86::BI__builtin_ia32_cmpps: {
2182     llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse_cmp_ps);
2183     return Builder.CreateCall(F, Ops, "cmpps");
2184   }
2185   case X86::BI__builtin_ia32_cmpss: {
2186     llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse_cmp_ss);
2187     return Builder.CreateCall(F, Ops, "cmpss");
2188   }
2189   case X86::BI__builtin_ia32_ldmxcsr: {
2190     llvm::Type *PtrTy = Int8PtrTy;
2191     Value *One = llvm::ConstantInt::get(Int32Ty, 1);
2192     Value *Tmp = Builder.CreateAlloca(Int32Ty, One);
2193     Builder.CreateStore(Ops[0], Tmp);
2194     return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_ldmxcsr),
2195                               Builder.CreateBitCast(Tmp, PtrTy));
2196   }
2197   case X86::BI__builtin_ia32_stmxcsr: {
2198     llvm::Type *PtrTy = Int8PtrTy;
2199     Value *One = llvm::ConstantInt::get(Int32Ty, 1);
2200     Value *Tmp = Builder.CreateAlloca(Int32Ty, One);
2201     Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_stmxcsr),
2202                        Builder.CreateBitCast(Tmp, PtrTy));
2203     return Builder.CreateLoad(Tmp, "stmxcsr");
2204   }
2205   case X86::BI__builtin_ia32_cmppd: {
2206     llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse2_cmp_pd);
2207     return Builder.CreateCall(F, Ops, "cmppd");
2208   }
2209   case X86::BI__builtin_ia32_cmpsd: {
2210     llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse2_cmp_sd);
2211     return Builder.CreateCall(F, Ops, "cmpsd");
2212   }
2213   case X86::BI__builtin_ia32_storehps:
2214   case X86::BI__builtin_ia32_storelps: {
2215     llvm::Type *PtrTy = llvm::PointerType::getUnqual(Int64Ty);
2216     llvm::Type *VecTy = llvm::VectorType::get(Int64Ty, 2);
2217 
2218     // cast val v2i64
2219     Ops[1] = Builder.CreateBitCast(Ops[1], VecTy, "cast");
2220 
2221     // extract (0, 1)
2222     unsigned Index = BuiltinID == X86::BI__builtin_ia32_storelps ? 0 : 1;
2223     llvm::Value *Idx = llvm::ConstantInt::get(Int32Ty, Index);
2224     Ops[1] = Builder.CreateExtractElement(Ops[1], Idx, "extract");
2225 
2226     // cast pointer to i64 & store
2227     Ops[0] = Builder.CreateBitCast(Ops[0], PtrTy);
2228     return Builder.CreateStore(Ops[1], Ops[0]);
2229   }
2230   case X86::BI__builtin_ia32_palignr: {
2231     unsigned shiftVal = cast<llvm::ConstantInt>(Ops[2])->getZExtValue();
2232 
2233     // If palignr is shifting the pair of input vectors less than 9 bytes,
2234     // emit a shuffle instruction.
2235     if (shiftVal <= 8) {
2236       SmallVector<llvm::Constant*, 8> Indices;
2237       for (unsigned i = 0; i != 8; ++i)
2238         Indices.push_back(llvm::ConstantInt::get(Int32Ty, shiftVal + i));
2239 
2240       Value* SV = llvm::ConstantVector::get(Indices);
2241       return Builder.CreateShuffleVector(Ops[1], Ops[0], SV, "palignr");
2242     }
2243 
2244     // If palignr is shifting the pair of input vectors more than 8 but less
2245     // than 16 bytes, emit a logical right shift of the destination.
2246     if (shiftVal < 16) {
2247       // MMX has these as 1 x i64 vectors for some odd optimization reasons.
2248       llvm::Type *VecTy = llvm::VectorType::get(Int64Ty, 1);
2249 
2250       Ops[0] = Builder.CreateBitCast(Ops[0], VecTy, "cast");
2251       Ops[1] = llvm::ConstantInt::get(VecTy, (shiftVal-8) * 8);
2252 
2253       // create i32 constant
2254       llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_mmx_psrl_q);
2255       return Builder.CreateCall(F, makeArrayRef(&Ops[0], 2), "palignr");
2256     }
2257 
2258     // If palignr is shifting the pair of vectors more than 16 bytes, emit zero.
2259     return llvm::Constant::getNullValue(ConvertType(E->getType()));
2260   }
2261   case X86::BI__builtin_ia32_palignr128: {
2262     unsigned shiftVal = cast<llvm::ConstantInt>(Ops[2])->getZExtValue();
2263 
2264     // If palignr is shifting the pair of input vectors less than 17 bytes,
2265     // emit a shuffle instruction.
2266     if (shiftVal <= 16) {
2267       SmallVector<llvm::Constant*, 16> Indices;
2268       for (unsigned i = 0; i != 16; ++i)
2269         Indices.push_back(llvm::ConstantInt::get(Int32Ty, shiftVal + i));
2270 
2271       Value* SV = llvm::ConstantVector::get(Indices);
2272       return Builder.CreateShuffleVector(Ops[1], Ops[0], SV, "palignr");
2273     }
2274 
2275     // If palignr is shifting the pair of input vectors more than 16 but less
2276     // than 32 bytes, emit a logical right shift of the destination.
2277     if (shiftVal < 32) {
2278       llvm::Type *VecTy = llvm::VectorType::get(Int64Ty, 2);
2279 
2280       Ops[0] = Builder.CreateBitCast(Ops[0], VecTy, "cast");
2281       Ops[1] = llvm::ConstantInt::get(Int32Ty, (shiftVal-16) * 8);
2282 
2283       // create i32 constant
2284       llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse2_psrl_dq);
2285       return Builder.CreateCall(F, makeArrayRef(&Ops[0], 2), "palignr");
2286     }
2287 
2288     // If palignr is shifting the pair of vectors more than 32 bytes, emit zero.
2289     return llvm::Constant::getNullValue(ConvertType(E->getType()));
2290   }
2291   case X86::BI__builtin_ia32_palignr256: {
2292     unsigned shiftVal = cast<llvm::ConstantInt>(Ops[2])->getZExtValue();
2293 
2294     // If palignr is shifting the pair of input vectors less than 17 bytes,
2295     // emit a shuffle instruction.
2296     if (shiftVal <= 16) {
2297       SmallVector<llvm::Constant*, 32> Indices;
2298       // 256-bit palignr operates on 128-bit lanes so we need to handle that
2299       for (unsigned l = 0; l != 2; ++l) {
2300         unsigned LaneStart = l * 16;
2301         unsigned LaneEnd = (l+1) * 16;
2302         for (unsigned i = 0; i != 16; ++i) {
2303           unsigned Idx = shiftVal + i + LaneStart;
2304           if (Idx >= LaneEnd) Idx += 16; // end of lane, switch operand
2305           Indices.push_back(llvm::ConstantInt::get(Int32Ty, Idx));
2306         }
2307       }
2308 
2309       Value* SV = llvm::ConstantVector::get(Indices);
2310       return Builder.CreateShuffleVector(Ops[1], Ops[0], SV, "palignr");
2311     }
2312 
2313     // If palignr is shifting the pair of input vectors more than 16 but less
2314     // than 32 bytes, emit a logical right shift of the destination.
2315     if (shiftVal < 32) {
2316       llvm::Type *VecTy = llvm::VectorType::get(Int64Ty, 4);
2317 
2318       Ops[0] = Builder.CreateBitCast(Ops[0], VecTy, "cast");
2319       Ops[1] = llvm::ConstantInt::get(Int32Ty, (shiftVal-16) * 8);
2320 
2321       // create i32 constant
2322       llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_avx2_psrl_dq);
2323       return Builder.CreateCall(F, makeArrayRef(&Ops[0], 2), "palignr");
2324     }
2325 
2326     // If palignr is shifting the pair of vectors more than 32 bytes, emit zero.
2327     return llvm::Constant::getNullValue(ConvertType(E->getType()));
2328   }
2329   case X86::BI__builtin_ia32_movntps:
2330   case X86::BI__builtin_ia32_movntpd:
2331   case X86::BI__builtin_ia32_movntdq:
2332   case X86::BI__builtin_ia32_movnti: {
2333     llvm::MDNode *Node = llvm::MDNode::get(getLLVMContext(),
2334                                            Builder.getInt32(1));
2335 
2336     // Convert the type of the pointer to a pointer to the stored type.
2337     Value *BC = Builder.CreateBitCast(Ops[0],
2338                                 llvm::PointerType::getUnqual(Ops[1]->getType()),
2339                                       "cast");
2340     StoreInst *SI = Builder.CreateStore(Ops[1], BC);
2341     SI->setMetadata(CGM.getModule().getMDKindID("nontemporal"), Node);
2342     SI->setAlignment(16);
2343     return SI;
2344   }
2345   // 3DNow!
2346   case X86::BI__builtin_ia32_pavgusb:
2347   case X86::BI__builtin_ia32_pf2id:
2348   case X86::BI__builtin_ia32_pfacc:
2349   case X86::BI__builtin_ia32_pfadd:
2350   case X86::BI__builtin_ia32_pfcmpeq:
2351   case X86::BI__builtin_ia32_pfcmpge:
2352   case X86::BI__builtin_ia32_pfcmpgt:
2353   case X86::BI__builtin_ia32_pfmax:
2354   case X86::BI__builtin_ia32_pfmin:
2355   case X86::BI__builtin_ia32_pfmul:
2356   case X86::BI__builtin_ia32_pfrcp:
2357   case X86::BI__builtin_ia32_pfrcpit1:
2358   case X86::BI__builtin_ia32_pfrcpit2:
2359   case X86::BI__builtin_ia32_pfrsqrt:
2360   case X86::BI__builtin_ia32_pfrsqit1:
2361   case X86::BI__builtin_ia32_pfrsqrtit1:
2362   case X86::BI__builtin_ia32_pfsub:
2363   case X86::BI__builtin_ia32_pfsubr:
2364   case X86::BI__builtin_ia32_pi2fd:
2365   case X86::BI__builtin_ia32_pmulhrw:
2366   case X86::BI__builtin_ia32_pf2iw:
2367   case X86::BI__builtin_ia32_pfnacc:
2368   case X86::BI__builtin_ia32_pfpnacc:
2369   case X86::BI__builtin_ia32_pi2fw:
2370   case X86::BI__builtin_ia32_pswapdsf:
2371   case X86::BI__builtin_ia32_pswapdsi: {
2372     const char *name = 0;
2373     Intrinsic::ID ID = Intrinsic::not_intrinsic;
2374     switch(BuiltinID) {
2375     case X86::BI__builtin_ia32_pavgusb:
2376       name = "pavgusb";
2377       ID = Intrinsic::x86_3dnow_pavgusb;
2378       break;
2379     case X86::BI__builtin_ia32_pf2id:
2380       name = "pf2id";
2381       ID = Intrinsic::x86_3dnow_pf2id;
2382       break;
2383     case X86::BI__builtin_ia32_pfacc:
2384       name = "pfacc";
2385       ID = Intrinsic::x86_3dnow_pfacc;
2386       break;
2387     case X86::BI__builtin_ia32_pfadd:
2388       name = "pfadd";
2389       ID = Intrinsic::x86_3dnow_pfadd;
2390       break;
2391     case X86::BI__builtin_ia32_pfcmpeq:
2392       name = "pfcmpeq";
2393       ID = Intrinsic::x86_3dnow_pfcmpeq;
2394       break;
2395     case X86::BI__builtin_ia32_pfcmpge:
2396       name = "pfcmpge";
2397       ID = Intrinsic::x86_3dnow_pfcmpge;
2398       break;
2399     case X86::BI__builtin_ia32_pfcmpgt:
2400       name = "pfcmpgt";
2401       ID = Intrinsic::x86_3dnow_pfcmpgt;
2402       break;
2403     case X86::BI__builtin_ia32_pfmax:
2404       name = "pfmax";
2405       ID = Intrinsic::x86_3dnow_pfmax;
2406       break;
2407     case X86::BI__builtin_ia32_pfmin:
2408       name = "pfmin";
2409       ID = Intrinsic::x86_3dnow_pfmin;
2410       break;
2411     case X86::BI__builtin_ia32_pfmul:
2412       name = "pfmul";
2413       ID = Intrinsic::x86_3dnow_pfmul;
2414       break;
2415     case X86::BI__builtin_ia32_pfrcp:
2416       name = "pfrcp";
2417       ID = Intrinsic::x86_3dnow_pfrcp;
2418       break;
2419     case X86::BI__builtin_ia32_pfrcpit1:
2420       name = "pfrcpit1";
2421       ID = Intrinsic::x86_3dnow_pfrcpit1;
2422       break;
2423     case X86::BI__builtin_ia32_pfrcpit2:
2424       name = "pfrcpit2";
2425       ID = Intrinsic::x86_3dnow_pfrcpit2;
2426       break;
2427     case X86::BI__builtin_ia32_pfrsqrt:
2428       name = "pfrsqrt";
2429       ID = Intrinsic::x86_3dnow_pfrsqrt;
2430       break;
2431     case X86::BI__builtin_ia32_pfrsqit1:
2432     case X86::BI__builtin_ia32_pfrsqrtit1:
2433       name = "pfrsqit1";
2434       ID = Intrinsic::x86_3dnow_pfrsqit1;
2435       break;
2436     case X86::BI__builtin_ia32_pfsub:
2437       name = "pfsub";
2438       ID = Intrinsic::x86_3dnow_pfsub;
2439       break;
2440     case X86::BI__builtin_ia32_pfsubr:
2441       name = "pfsubr";
2442       ID = Intrinsic::x86_3dnow_pfsubr;
2443       break;
2444     case X86::BI__builtin_ia32_pi2fd:
2445       name = "pi2fd";
2446       ID = Intrinsic::x86_3dnow_pi2fd;
2447       break;
2448     case X86::BI__builtin_ia32_pmulhrw:
2449       name = "pmulhrw";
2450       ID = Intrinsic::x86_3dnow_pmulhrw;
2451       break;
2452     case X86::BI__builtin_ia32_pf2iw:
2453       name = "pf2iw";
2454       ID = Intrinsic::x86_3dnowa_pf2iw;
2455       break;
2456     case X86::BI__builtin_ia32_pfnacc:
2457       name = "pfnacc";
2458       ID = Intrinsic::x86_3dnowa_pfnacc;
2459       break;
2460     case X86::BI__builtin_ia32_pfpnacc:
2461       name = "pfpnacc";
2462       ID = Intrinsic::x86_3dnowa_pfpnacc;
2463       break;
2464     case X86::BI__builtin_ia32_pi2fw:
2465       name = "pi2fw";
2466       ID = Intrinsic::x86_3dnowa_pi2fw;
2467       break;
2468     case X86::BI__builtin_ia32_pswapdsf:
2469     case X86::BI__builtin_ia32_pswapdsi:
2470       name = "pswapd";
2471       ID = Intrinsic::x86_3dnowa_pswapd;
2472       break;
2473     }
2474     llvm::Function *F = CGM.getIntrinsic(ID);
2475     return Builder.CreateCall(F, Ops, name);
2476   }
2477   }
2478 }
2479 
2480 
2481 Value *CodeGenFunction::EmitHexagonBuiltinExpr(unsigned BuiltinID,
2482                                              const CallExpr *E) {
2483   llvm::SmallVector<Value*, 4> Ops;
2484 
2485   for (unsigned i = 0, e = E->getNumArgs(); i != e; i++)
2486     Ops.push_back(EmitScalarExpr(E->getArg(i)));
2487 
2488   Intrinsic::ID ID = Intrinsic::not_intrinsic;
2489 
2490   switch (BuiltinID) {
2491   default: return 0;
2492 
2493   case Hexagon::BI__builtin_HEXAGON_C2_cmpeq:
2494     ID = Intrinsic::hexagon_C2_cmpeq; break;
2495 
2496   case Hexagon::BI__builtin_HEXAGON_C2_cmpgt:
2497     ID = Intrinsic::hexagon_C2_cmpgt; break;
2498 
2499   case Hexagon::BI__builtin_HEXAGON_C2_cmpgtu:
2500     ID = Intrinsic::hexagon_C2_cmpgtu; break;
2501 
2502   case Hexagon::BI__builtin_HEXAGON_C2_cmpeqp:
2503     ID = Intrinsic::hexagon_C2_cmpeqp; break;
2504 
2505   case Hexagon::BI__builtin_HEXAGON_C2_cmpgtp:
2506     ID = Intrinsic::hexagon_C2_cmpgtp; break;
2507 
2508   case Hexagon::BI__builtin_HEXAGON_C2_cmpgtup:
2509     ID = Intrinsic::hexagon_C2_cmpgtup; break;
2510 
2511   case Hexagon::BI__builtin_HEXAGON_C2_bitsset:
2512     ID = Intrinsic::hexagon_C2_bitsset; break;
2513 
2514   case Hexagon::BI__builtin_HEXAGON_C2_bitsclr:
2515     ID = Intrinsic::hexagon_C2_bitsclr; break;
2516 
2517   case Hexagon::BI__builtin_HEXAGON_C2_cmpeqi:
2518     ID = Intrinsic::hexagon_C2_cmpeqi; break;
2519 
2520   case Hexagon::BI__builtin_HEXAGON_C2_cmpgti:
2521     ID = Intrinsic::hexagon_C2_cmpgti; break;
2522 
2523   case Hexagon::BI__builtin_HEXAGON_C2_cmpgtui:
2524     ID = Intrinsic::hexagon_C2_cmpgtui; break;
2525 
2526   case Hexagon::BI__builtin_HEXAGON_C2_cmpgei:
2527     ID = Intrinsic::hexagon_C2_cmpgei; break;
2528 
2529   case Hexagon::BI__builtin_HEXAGON_C2_cmpgeui:
2530     ID = Intrinsic::hexagon_C2_cmpgeui; break;
2531 
2532   case Hexagon::BI__builtin_HEXAGON_C2_cmplt:
2533     ID = Intrinsic::hexagon_C2_cmplt; break;
2534 
2535   case Hexagon::BI__builtin_HEXAGON_C2_cmpltu:
2536     ID = Intrinsic::hexagon_C2_cmpltu; break;
2537 
2538   case Hexagon::BI__builtin_HEXAGON_C2_bitsclri:
2539     ID = Intrinsic::hexagon_C2_bitsclri; break;
2540 
2541   case Hexagon::BI__builtin_HEXAGON_C2_and:
2542     ID = Intrinsic::hexagon_C2_and; break;
2543 
2544   case Hexagon::BI__builtin_HEXAGON_C2_or:
2545     ID = Intrinsic::hexagon_C2_or; break;
2546 
2547   case Hexagon::BI__builtin_HEXAGON_C2_xor:
2548     ID = Intrinsic::hexagon_C2_xor; break;
2549 
2550   case Hexagon::BI__builtin_HEXAGON_C2_andn:
2551     ID = Intrinsic::hexagon_C2_andn; break;
2552 
2553   case Hexagon::BI__builtin_HEXAGON_C2_not:
2554     ID = Intrinsic::hexagon_C2_not; break;
2555 
2556   case Hexagon::BI__builtin_HEXAGON_C2_orn:
2557     ID = Intrinsic::hexagon_C2_orn; break;
2558 
2559   case Hexagon::BI__builtin_HEXAGON_C2_pxfer_map:
2560     ID = Intrinsic::hexagon_C2_pxfer_map; break;
2561 
2562   case Hexagon::BI__builtin_HEXAGON_C2_any8:
2563     ID = Intrinsic::hexagon_C2_any8; break;
2564 
2565   case Hexagon::BI__builtin_HEXAGON_C2_all8:
2566     ID = Intrinsic::hexagon_C2_all8; break;
2567 
2568   case Hexagon::BI__builtin_HEXAGON_C2_vitpack:
2569     ID = Intrinsic::hexagon_C2_vitpack; break;
2570 
2571   case Hexagon::BI__builtin_HEXAGON_C2_mux:
2572     ID = Intrinsic::hexagon_C2_mux; break;
2573 
2574   case Hexagon::BI__builtin_HEXAGON_C2_muxii:
2575     ID = Intrinsic::hexagon_C2_muxii; break;
2576 
2577   case Hexagon::BI__builtin_HEXAGON_C2_muxir:
2578     ID = Intrinsic::hexagon_C2_muxir; break;
2579 
2580   case Hexagon::BI__builtin_HEXAGON_C2_muxri:
2581     ID = Intrinsic::hexagon_C2_muxri; break;
2582 
2583   case Hexagon::BI__builtin_HEXAGON_C2_vmux:
2584     ID = Intrinsic::hexagon_C2_vmux; break;
2585 
2586   case Hexagon::BI__builtin_HEXAGON_C2_mask:
2587     ID = Intrinsic::hexagon_C2_mask; break;
2588 
2589   case Hexagon::BI__builtin_HEXAGON_A2_vcmpbeq:
2590     ID = Intrinsic::hexagon_A2_vcmpbeq; break;
2591 
2592   case Hexagon::BI__builtin_HEXAGON_A2_vcmpbgtu:
2593     ID = Intrinsic::hexagon_A2_vcmpbgtu; break;
2594 
2595   case Hexagon::BI__builtin_HEXAGON_A2_vcmpheq:
2596     ID = Intrinsic::hexagon_A2_vcmpheq; break;
2597 
2598   case Hexagon::BI__builtin_HEXAGON_A2_vcmphgt:
2599     ID = Intrinsic::hexagon_A2_vcmphgt; break;
2600 
2601   case Hexagon::BI__builtin_HEXAGON_A2_vcmphgtu:
2602     ID = Intrinsic::hexagon_A2_vcmphgtu; break;
2603 
2604   case Hexagon::BI__builtin_HEXAGON_A2_vcmpweq:
2605     ID = Intrinsic::hexagon_A2_vcmpweq; break;
2606 
2607   case Hexagon::BI__builtin_HEXAGON_A2_vcmpwgt:
2608     ID = Intrinsic::hexagon_A2_vcmpwgt; break;
2609 
2610   case Hexagon::BI__builtin_HEXAGON_A2_vcmpwgtu:
2611     ID = Intrinsic::hexagon_A2_vcmpwgtu; break;
2612 
2613   case Hexagon::BI__builtin_HEXAGON_C2_tfrpr:
2614     ID = Intrinsic::hexagon_C2_tfrpr; break;
2615 
2616   case Hexagon::BI__builtin_HEXAGON_C2_tfrrp:
2617     ID = Intrinsic::hexagon_C2_tfrrp; break;
2618 
2619   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_hh_s0:
2620     ID = Intrinsic::hexagon_M2_mpy_acc_hh_s0; break;
2621 
2622   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_hh_s1:
2623     ID = Intrinsic::hexagon_M2_mpy_acc_hh_s1; break;
2624 
2625   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_hl_s0:
2626     ID = Intrinsic::hexagon_M2_mpy_acc_hl_s0; break;
2627 
2628   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_hl_s1:
2629     ID = Intrinsic::hexagon_M2_mpy_acc_hl_s1; break;
2630 
2631   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_lh_s0:
2632     ID = Intrinsic::hexagon_M2_mpy_acc_lh_s0; break;
2633 
2634   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_lh_s1:
2635     ID = Intrinsic::hexagon_M2_mpy_acc_lh_s1; break;
2636 
2637   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_ll_s0:
2638     ID = Intrinsic::hexagon_M2_mpy_acc_ll_s0; break;
2639 
2640   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_ll_s1:
2641     ID = Intrinsic::hexagon_M2_mpy_acc_ll_s1; break;
2642 
2643   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_hh_s0:
2644     ID = Intrinsic::hexagon_M2_mpy_nac_hh_s0; break;
2645 
2646   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_hh_s1:
2647     ID = Intrinsic::hexagon_M2_mpy_nac_hh_s1; break;
2648 
2649   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_hl_s0:
2650     ID = Intrinsic::hexagon_M2_mpy_nac_hl_s0; break;
2651 
2652   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_hl_s1:
2653     ID = Intrinsic::hexagon_M2_mpy_nac_hl_s1; break;
2654 
2655   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_lh_s0:
2656     ID = Intrinsic::hexagon_M2_mpy_nac_lh_s0; break;
2657 
2658   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_lh_s1:
2659     ID = Intrinsic::hexagon_M2_mpy_nac_lh_s1; break;
2660 
2661   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_ll_s0:
2662     ID = Intrinsic::hexagon_M2_mpy_nac_ll_s0; break;
2663 
2664   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_ll_s1:
2665     ID = Intrinsic::hexagon_M2_mpy_nac_ll_s1; break;
2666 
2667   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_hh_s0:
2668     ID = Intrinsic::hexagon_M2_mpy_acc_sat_hh_s0; break;
2669 
2670   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_hh_s1:
2671     ID = Intrinsic::hexagon_M2_mpy_acc_sat_hh_s1; break;
2672 
2673   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_hl_s0:
2674     ID = Intrinsic::hexagon_M2_mpy_acc_sat_hl_s0; break;
2675 
2676   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_hl_s1:
2677     ID = Intrinsic::hexagon_M2_mpy_acc_sat_hl_s1; break;
2678 
2679   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_lh_s0:
2680     ID = Intrinsic::hexagon_M2_mpy_acc_sat_lh_s0; break;
2681 
2682   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_lh_s1:
2683     ID = Intrinsic::hexagon_M2_mpy_acc_sat_lh_s1; break;
2684 
2685   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_ll_s0:
2686     ID = Intrinsic::hexagon_M2_mpy_acc_sat_ll_s0; break;
2687 
2688   case Hexagon::BI__builtin_HEXAGON_M2_mpy_acc_sat_ll_s1:
2689     ID = Intrinsic::hexagon_M2_mpy_acc_sat_ll_s1; break;
2690 
2691   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_hh_s0:
2692     ID = Intrinsic::hexagon_M2_mpy_nac_sat_hh_s0; break;
2693 
2694   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_hh_s1:
2695     ID = Intrinsic::hexagon_M2_mpy_nac_sat_hh_s1; break;
2696 
2697   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_hl_s0:
2698     ID = Intrinsic::hexagon_M2_mpy_nac_sat_hl_s0; break;
2699 
2700   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_hl_s1:
2701     ID = Intrinsic::hexagon_M2_mpy_nac_sat_hl_s1; break;
2702 
2703   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_lh_s0:
2704     ID = Intrinsic::hexagon_M2_mpy_nac_sat_lh_s0; break;
2705 
2706   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_lh_s1:
2707     ID = Intrinsic::hexagon_M2_mpy_nac_sat_lh_s1; break;
2708 
2709   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_ll_s0:
2710     ID = Intrinsic::hexagon_M2_mpy_nac_sat_ll_s0; break;
2711 
2712   case Hexagon::BI__builtin_HEXAGON_M2_mpy_nac_sat_ll_s1:
2713     ID = Intrinsic::hexagon_M2_mpy_nac_sat_ll_s1; break;
2714 
2715   case Hexagon::BI__builtin_HEXAGON_M2_mpy_hh_s0:
2716     ID = Intrinsic::hexagon_M2_mpy_hh_s0; break;
2717 
2718   case Hexagon::BI__builtin_HEXAGON_M2_mpy_hh_s1:
2719     ID = Intrinsic::hexagon_M2_mpy_hh_s1; break;
2720 
2721   case Hexagon::BI__builtin_HEXAGON_M2_mpy_hl_s0:
2722     ID = Intrinsic::hexagon_M2_mpy_hl_s0; break;
2723 
2724   case Hexagon::BI__builtin_HEXAGON_M2_mpy_hl_s1:
2725     ID = Intrinsic::hexagon_M2_mpy_hl_s1; break;
2726 
2727   case Hexagon::BI__builtin_HEXAGON_M2_mpy_lh_s0:
2728     ID = Intrinsic::hexagon_M2_mpy_lh_s0; break;
2729 
2730   case Hexagon::BI__builtin_HEXAGON_M2_mpy_lh_s1:
2731     ID = Intrinsic::hexagon_M2_mpy_lh_s1; break;
2732 
2733   case Hexagon::BI__builtin_HEXAGON_M2_mpy_ll_s0:
2734     ID = Intrinsic::hexagon_M2_mpy_ll_s0; break;
2735 
2736   case Hexagon::BI__builtin_HEXAGON_M2_mpy_ll_s1:
2737     ID = Intrinsic::hexagon_M2_mpy_ll_s1; break;
2738 
2739   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_hh_s0:
2740     ID = Intrinsic::hexagon_M2_mpy_sat_hh_s0; break;
2741 
2742   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_hh_s1:
2743     ID = Intrinsic::hexagon_M2_mpy_sat_hh_s1; break;
2744 
2745   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_hl_s0:
2746     ID = Intrinsic::hexagon_M2_mpy_sat_hl_s0; break;
2747 
2748   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_hl_s1:
2749     ID = Intrinsic::hexagon_M2_mpy_sat_hl_s1; break;
2750 
2751   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_lh_s0:
2752     ID = Intrinsic::hexagon_M2_mpy_sat_lh_s0; break;
2753 
2754   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_lh_s1:
2755     ID = Intrinsic::hexagon_M2_mpy_sat_lh_s1; break;
2756 
2757   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_ll_s0:
2758     ID = Intrinsic::hexagon_M2_mpy_sat_ll_s0; break;
2759 
2760   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_ll_s1:
2761     ID = Intrinsic::hexagon_M2_mpy_sat_ll_s1; break;
2762 
2763   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_hh_s0:
2764     ID = Intrinsic::hexagon_M2_mpy_rnd_hh_s0; break;
2765 
2766   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_hh_s1:
2767     ID = Intrinsic::hexagon_M2_mpy_rnd_hh_s1; break;
2768 
2769   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_hl_s0:
2770     ID = Intrinsic::hexagon_M2_mpy_rnd_hl_s0; break;
2771 
2772   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_hl_s1:
2773     ID = Intrinsic::hexagon_M2_mpy_rnd_hl_s1; break;
2774 
2775   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_lh_s0:
2776     ID = Intrinsic::hexagon_M2_mpy_rnd_lh_s0; break;
2777 
2778   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_lh_s1:
2779     ID = Intrinsic::hexagon_M2_mpy_rnd_lh_s1; break;
2780 
2781   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_ll_s0:
2782     ID = Intrinsic::hexagon_M2_mpy_rnd_ll_s0; break;
2783 
2784   case Hexagon::BI__builtin_HEXAGON_M2_mpy_rnd_ll_s1:
2785     ID = Intrinsic::hexagon_M2_mpy_rnd_ll_s1; break;
2786 
2787   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_hh_s0:
2788     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_hh_s0; break;
2789 
2790   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_hh_s1:
2791     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_hh_s1; break;
2792 
2793   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_hl_s0:
2794     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_hl_s0; break;
2795 
2796   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_hl_s1:
2797     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_hl_s1; break;
2798 
2799   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_lh_s0:
2800     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_lh_s0; break;
2801 
2802   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_lh_s1:
2803     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_lh_s1; break;
2804 
2805   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_ll_s0:
2806     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_ll_s0; break;
2807 
2808   case Hexagon::BI__builtin_HEXAGON_M2_mpy_sat_rnd_ll_s1:
2809     ID = Intrinsic::hexagon_M2_mpy_sat_rnd_ll_s1; break;
2810 
2811   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_hh_s0:
2812     ID = Intrinsic::hexagon_M2_mpyd_acc_hh_s0; break;
2813 
2814   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_hh_s1:
2815     ID = Intrinsic::hexagon_M2_mpyd_acc_hh_s1; break;
2816 
2817   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_hl_s0:
2818     ID = Intrinsic::hexagon_M2_mpyd_acc_hl_s0; break;
2819 
2820   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_hl_s1:
2821     ID = Intrinsic::hexagon_M2_mpyd_acc_hl_s1; break;
2822 
2823   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_lh_s0:
2824     ID = Intrinsic::hexagon_M2_mpyd_acc_lh_s0; break;
2825 
2826   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_lh_s1:
2827     ID = Intrinsic::hexagon_M2_mpyd_acc_lh_s1; break;
2828 
2829   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_ll_s0:
2830     ID = Intrinsic::hexagon_M2_mpyd_acc_ll_s0; break;
2831 
2832   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_acc_ll_s1:
2833     ID = Intrinsic::hexagon_M2_mpyd_acc_ll_s1; break;
2834 
2835   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_hh_s0:
2836     ID = Intrinsic::hexagon_M2_mpyd_nac_hh_s0; break;
2837 
2838   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_hh_s1:
2839     ID = Intrinsic::hexagon_M2_mpyd_nac_hh_s1; break;
2840 
2841   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_hl_s0:
2842     ID = Intrinsic::hexagon_M2_mpyd_nac_hl_s0; break;
2843 
2844   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_hl_s1:
2845     ID = Intrinsic::hexagon_M2_mpyd_nac_hl_s1; break;
2846 
2847   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_lh_s0:
2848     ID = Intrinsic::hexagon_M2_mpyd_nac_lh_s0; break;
2849 
2850   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_lh_s1:
2851     ID = Intrinsic::hexagon_M2_mpyd_nac_lh_s1; break;
2852 
2853   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_ll_s0:
2854     ID = Intrinsic::hexagon_M2_mpyd_nac_ll_s0; break;
2855 
2856   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_nac_ll_s1:
2857     ID = Intrinsic::hexagon_M2_mpyd_nac_ll_s1; break;
2858 
2859   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_hh_s0:
2860     ID = Intrinsic::hexagon_M2_mpyd_hh_s0; break;
2861 
2862   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_hh_s1:
2863     ID = Intrinsic::hexagon_M2_mpyd_hh_s1; break;
2864 
2865   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_hl_s0:
2866     ID = Intrinsic::hexagon_M2_mpyd_hl_s0; break;
2867 
2868   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_hl_s1:
2869     ID = Intrinsic::hexagon_M2_mpyd_hl_s1; break;
2870 
2871   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_lh_s0:
2872     ID = Intrinsic::hexagon_M2_mpyd_lh_s0; break;
2873 
2874   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_lh_s1:
2875     ID = Intrinsic::hexagon_M2_mpyd_lh_s1; break;
2876 
2877   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_ll_s0:
2878     ID = Intrinsic::hexagon_M2_mpyd_ll_s0; break;
2879 
2880   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_ll_s1:
2881     ID = Intrinsic::hexagon_M2_mpyd_ll_s1; break;
2882 
2883   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_hh_s0:
2884     ID = Intrinsic::hexagon_M2_mpyd_rnd_hh_s0; break;
2885 
2886   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_hh_s1:
2887     ID = Intrinsic::hexagon_M2_mpyd_rnd_hh_s1; break;
2888 
2889   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_hl_s0:
2890     ID = Intrinsic::hexagon_M2_mpyd_rnd_hl_s0; break;
2891 
2892   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_hl_s1:
2893     ID = Intrinsic::hexagon_M2_mpyd_rnd_hl_s1; break;
2894 
2895   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_lh_s0:
2896     ID = Intrinsic::hexagon_M2_mpyd_rnd_lh_s0; break;
2897 
2898   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_lh_s1:
2899     ID = Intrinsic::hexagon_M2_mpyd_rnd_lh_s1; break;
2900 
2901   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_ll_s0:
2902     ID = Intrinsic::hexagon_M2_mpyd_rnd_ll_s0; break;
2903 
2904   case Hexagon::BI__builtin_HEXAGON_M2_mpyd_rnd_ll_s1:
2905     ID = Intrinsic::hexagon_M2_mpyd_rnd_ll_s1; break;
2906 
2907   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_hh_s0:
2908     ID = Intrinsic::hexagon_M2_mpyu_acc_hh_s0; break;
2909 
2910   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_hh_s1:
2911     ID = Intrinsic::hexagon_M2_mpyu_acc_hh_s1; break;
2912 
2913   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_hl_s0:
2914     ID = Intrinsic::hexagon_M2_mpyu_acc_hl_s0; break;
2915 
2916   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_hl_s1:
2917     ID = Intrinsic::hexagon_M2_mpyu_acc_hl_s1; break;
2918 
2919   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_lh_s0:
2920     ID = Intrinsic::hexagon_M2_mpyu_acc_lh_s0; break;
2921 
2922   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_lh_s1:
2923     ID = Intrinsic::hexagon_M2_mpyu_acc_lh_s1; break;
2924 
2925   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_ll_s0:
2926     ID = Intrinsic::hexagon_M2_mpyu_acc_ll_s0; break;
2927 
2928   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_acc_ll_s1:
2929     ID = Intrinsic::hexagon_M2_mpyu_acc_ll_s1; break;
2930 
2931   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_hh_s0:
2932     ID = Intrinsic::hexagon_M2_mpyu_nac_hh_s0; break;
2933 
2934   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_hh_s1:
2935     ID = Intrinsic::hexagon_M2_mpyu_nac_hh_s1; break;
2936 
2937   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_hl_s0:
2938     ID = Intrinsic::hexagon_M2_mpyu_nac_hl_s0; break;
2939 
2940   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_hl_s1:
2941     ID = Intrinsic::hexagon_M2_mpyu_nac_hl_s1; break;
2942 
2943   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_lh_s0:
2944     ID = Intrinsic::hexagon_M2_mpyu_nac_lh_s0; break;
2945 
2946   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_lh_s1:
2947     ID = Intrinsic::hexagon_M2_mpyu_nac_lh_s1; break;
2948 
2949   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_ll_s0:
2950     ID = Intrinsic::hexagon_M2_mpyu_nac_ll_s0; break;
2951 
2952   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_nac_ll_s1:
2953     ID = Intrinsic::hexagon_M2_mpyu_nac_ll_s1; break;
2954 
2955   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_hh_s0:
2956     ID = Intrinsic::hexagon_M2_mpyu_hh_s0; break;
2957 
2958   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_hh_s1:
2959     ID = Intrinsic::hexagon_M2_mpyu_hh_s1; break;
2960 
2961   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_hl_s0:
2962     ID = Intrinsic::hexagon_M2_mpyu_hl_s0; break;
2963 
2964   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_hl_s1:
2965     ID = Intrinsic::hexagon_M2_mpyu_hl_s1; break;
2966 
2967   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_lh_s0:
2968     ID = Intrinsic::hexagon_M2_mpyu_lh_s0; break;
2969 
2970   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_lh_s1:
2971     ID = Intrinsic::hexagon_M2_mpyu_lh_s1; break;
2972 
2973   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_ll_s0:
2974     ID = Intrinsic::hexagon_M2_mpyu_ll_s0; break;
2975 
2976   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_ll_s1:
2977     ID = Intrinsic::hexagon_M2_mpyu_ll_s1; break;
2978 
2979   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_hh_s0:
2980     ID = Intrinsic::hexagon_M2_mpyud_acc_hh_s0; break;
2981 
2982   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_hh_s1:
2983     ID = Intrinsic::hexagon_M2_mpyud_acc_hh_s1; break;
2984 
2985   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_hl_s0:
2986     ID = Intrinsic::hexagon_M2_mpyud_acc_hl_s0; break;
2987 
2988   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_hl_s1:
2989     ID = Intrinsic::hexagon_M2_mpyud_acc_hl_s1; break;
2990 
2991   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_lh_s0:
2992     ID = Intrinsic::hexagon_M2_mpyud_acc_lh_s0; break;
2993 
2994   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_lh_s1:
2995     ID = Intrinsic::hexagon_M2_mpyud_acc_lh_s1; break;
2996 
2997   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_ll_s0:
2998     ID = Intrinsic::hexagon_M2_mpyud_acc_ll_s0; break;
2999 
3000   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_acc_ll_s1:
3001     ID = Intrinsic::hexagon_M2_mpyud_acc_ll_s1; break;
3002 
3003   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_hh_s0:
3004     ID = Intrinsic::hexagon_M2_mpyud_nac_hh_s0; break;
3005 
3006   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_hh_s1:
3007     ID = Intrinsic::hexagon_M2_mpyud_nac_hh_s1; break;
3008 
3009   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_hl_s0:
3010     ID = Intrinsic::hexagon_M2_mpyud_nac_hl_s0; break;
3011 
3012   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_hl_s1:
3013     ID = Intrinsic::hexagon_M2_mpyud_nac_hl_s1; break;
3014 
3015   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_lh_s0:
3016     ID = Intrinsic::hexagon_M2_mpyud_nac_lh_s0; break;
3017 
3018   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_lh_s1:
3019     ID = Intrinsic::hexagon_M2_mpyud_nac_lh_s1; break;
3020 
3021   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_ll_s0:
3022     ID = Intrinsic::hexagon_M2_mpyud_nac_ll_s0; break;
3023 
3024   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_nac_ll_s1:
3025     ID = Intrinsic::hexagon_M2_mpyud_nac_ll_s1; break;
3026 
3027   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_hh_s0:
3028     ID = Intrinsic::hexagon_M2_mpyud_hh_s0; break;
3029 
3030   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_hh_s1:
3031     ID = Intrinsic::hexagon_M2_mpyud_hh_s1; break;
3032 
3033   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_hl_s0:
3034     ID = Intrinsic::hexagon_M2_mpyud_hl_s0; break;
3035 
3036   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_hl_s1:
3037     ID = Intrinsic::hexagon_M2_mpyud_hl_s1; break;
3038 
3039   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_lh_s0:
3040     ID = Intrinsic::hexagon_M2_mpyud_lh_s0; break;
3041 
3042   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_lh_s1:
3043     ID = Intrinsic::hexagon_M2_mpyud_lh_s1; break;
3044 
3045   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_ll_s0:
3046     ID = Intrinsic::hexagon_M2_mpyud_ll_s0; break;
3047 
3048   case Hexagon::BI__builtin_HEXAGON_M2_mpyud_ll_s1:
3049     ID = Intrinsic::hexagon_M2_mpyud_ll_s1; break;
3050 
3051   case Hexagon::BI__builtin_HEXAGON_M2_mpysmi:
3052     ID = Intrinsic::hexagon_M2_mpysmi; break;
3053 
3054   case Hexagon::BI__builtin_HEXAGON_M2_macsip:
3055     ID = Intrinsic::hexagon_M2_macsip; break;
3056 
3057   case Hexagon::BI__builtin_HEXAGON_M2_macsin:
3058     ID = Intrinsic::hexagon_M2_macsin; break;
3059 
3060   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyss_s0:
3061     ID = Intrinsic::hexagon_M2_dpmpyss_s0; break;
3062 
3063   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyss_acc_s0:
3064     ID = Intrinsic::hexagon_M2_dpmpyss_acc_s0; break;
3065 
3066   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyss_nac_s0:
3067     ID = Intrinsic::hexagon_M2_dpmpyss_nac_s0; break;
3068 
3069   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyuu_s0:
3070     ID = Intrinsic::hexagon_M2_dpmpyuu_s0; break;
3071 
3072   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyuu_acc_s0:
3073     ID = Intrinsic::hexagon_M2_dpmpyuu_acc_s0; break;
3074 
3075   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyuu_nac_s0:
3076     ID = Intrinsic::hexagon_M2_dpmpyuu_nac_s0; break;
3077 
3078   case Hexagon::BI__builtin_HEXAGON_M2_mpy_up:
3079     ID = Intrinsic::hexagon_M2_mpy_up; break;
3080 
3081   case Hexagon::BI__builtin_HEXAGON_M2_mpyu_up:
3082     ID = Intrinsic::hexagon_M2_mpyu_up; break;
3083 
3084   case Hexagon::BI__builtin_HEXAGON_M2_dpmpyss_rnd_s0:
3085     ID = Intrinsic::hexagon_M2_dpmpyss_rnd_s0; break;
3086 
3087   case Hexagon::BI__builtin_HEXAGON_M2_mpyi:
3088     ID = Intrinsic::hexagon_M2_mpyi; break;
3089 
3090   case Hexagon::BI__builtin_HEXAGON_M2_mpyui:
3091     ID = Intrinsic::hexagon_M2_mpyui; break;
3092 
3093   case Hexagon::BI__builtin_HEXAGON_M2_maci:
3094     ID = Intrinsic::hexagon_M2_maci; break;
3095 
3096   case Hexagon::BI__builtin_HEXAGON_M2_acci:
3097     ID = Intrinsic::hexagon_M2_acci; break;
3098 
3099   case Hexagon::BI__builtin_HEXAGON_M2_accii:
3100     ID = Intrinsic::hexagon_M2_accii; break;
3101 
3102   case Hexagon::BI__builtin_HEXAGON_M2_nacci:
3103     ID = Intrinsic::hexagon_M2_nacci; break;
3104 
3105   case Hexagon::BI__builtin_HEXAGON_M2_naccii:
3106     ID = Intrinsic::hexagon_M2_naccii; break;
3107 
3108   case Hexagon::BI__builtin_HEXAGON_M2_subacc:
3109     ID = Intrinsic::hexagon_M2_subacc; break;
3110 
3111   case Hexagon::BI__builtin_HEXAGON_M2_vmpy2s_s0:
3112     ID = Intrinsic::hexagon_M2_vmpy2s_s0; break;
3113 
3114   case Hexagon::BI__builtin_HEXAGON_M2_vmpy2s_s1:
3115     ID = Intrinsic::hexagon_M2_vmpy2s_s1; break;
3116 
3117   case Hexagon::BI__builtin_HEXAGON_M2_vmac2s_s0:
3118     ID = Intrinsic::hexagon_M2_vmac2s_s0; break;
3119 
3120   case Hexagon::BI__builtin_HEXAGON_M2_vmac2s_s1:
3121     ID = Intrinsic::hexagon_M2_vmac2s_s1; break;
3122 
3123   case Hexagon::BI__builtin_HEXAGON_M2_vmpy2s_s0pack:
3124     ID = Intrinsic::hexagon_M2_vmpy2s_s0pack; break;
3125 
3126   case Hexagon::BI__builtin_HEXAGON_M2_vmpy2s_s1pack:
3127     ID = Intrinsic::hexagon_M2_vmpy2s_s1pack; break;
3128 
3129   case Hexagon::BI__builtin_HEXAGON_M2_vmac2:
3130     ID = Intrinsic::hexagon_M2_vmac2; break;
3131 
3132   case Hexagon::BI__builtin_HEXAGON_M2_vmpy2es_s0:
3133     ID = Intrinsic::hexagon_M2_vmpy2es_s0; break;
3134 
3135   case Hexagon::BI__builtin_HEXAGON_M2_vmpy2es_s1:
3136     ID = Intrinsic::hexagon_M2_vmpy2es_s1; break;
3137 
3138   case Hexagon::BI__builtin_HEXAGON_M2_vmac2es_s0:
3139     ID = Intrinsic::hexagon_M2_vmac2es_s0; break;
3140 
3141   case Hexagon::BI__builtin_HEXAGON_M2_vmac2es_s1:
3142     ID = Intrinsic::hexagon_M2_vmac2es_s1; break;
3143 
3144   case Hexagon::BI__builtin_HEXAGON_M2_vmac2es:
3145     ID = Intrinsic::hexagon_M2_vmac2es; break;
3146 
3147   case Hexagon::BI__builtin_HEXAGON_M2_vrmac_s0:
3148     ID = Intrinsic::hexagon_M2_vrmac_s0; break;
3149 
3150   case Hexagon::BI__builtin_HEXAGON_M2_vrmpy_s0:
3151     ID = Intrinsic::hexagon_M2_vrmpy_s0; break;
3152 
3153   case Hexagon::BI__builtin_HEXAGON_M2_vdmpyrs_s0:
3154     ID = Intrinsic::hexagon_M2_vdmpyrs_s0; break;
3155 
3156   case Hexagon::BI__builtin_HEXAGON_M2_vdmpyrs_s1:
3157     ID = Intrinsic::hexagon_M2_vdmpyrs_s1; break;
3158 
3159   case Hexagon::BI__builtin_HEXAGON_M2_vdmacs_s0:
3160     ID = Intrinsic::hexagon_M2_vdmacs_s0; break;
3161 
3162   case Hexagon::BI__builtin_HEXAGON_M2_vdmacs_s1:
3163     ID = Intrinsic::hexagon_M2_vdmacs_s1; break;
3164 
3165   case Hexagon::BI__builtin_HEXAGON_M2_vdmpys_s0:
3166     ID = Intrinsic::hexagon_M2_vdmpys_s0; break;
3167 
3168   case Hexagon::BI__builtin_HEXAGON_M2_vdmpys_s1:
3169     ID = Intrinsic::hexagon_M2_vdmpys_s1; break;
3170 
3171   case Hexagon::BI__builtin_HEXAGON_M2_cmpyrs_s0:
3172     ID = Intrinsic::hexagon_M2_cmpyrs_s0; break;
3173 
3174   case Hexagon::BI__builtin_HEXAGON_M2_cmpyrs_s1:
3175     ID = Intrinsic::hexagon_M2_cmpyrs_s1; break;
3176 
3177   case Hexagon::BI__builtin_HEXAGON_M2_cmpyrsc_s0:
3178     ID = Intrinsic::hexagon_M2_cmpyrsc_s0; break;
3179 
3180   case Hexagon::BI__builtin_HEXAGON_M2_cmpyrsc_s1:
3181     ID = Intrinsic::hexagon_M2_cmpyrsc_s1; break;
3182 
3183   case Hexagon::BI__builtin_HEXAGON_M2_cmacs_s0:
3184     ID = Intrinsic::hexagon_M2_cmacs_s0; break;
3185 
3186   case Hexagon::BI__builtin_HEXAGON_M2_cmacs_s1:
3187     ID = Intrinsic::hexagon_M2_cmacs_s1; break;
3188 
3189   case Hexagon::BI__builtin_HEXAGON_M2_cmacsc_s0:
3190     ID = Intrinsic::hexagon_M2_cmacsc_s0; break;
3191 
3192   case Hexagon::BI__builtin_HEXAGON_M2_cmacsc_s1:
3193     ID = Intrinsic::hexagon_M2_cmacsc_s1; break;
3194 
3195   case Hexagon::BI__builtin_HEXAGON_M2_cmpys_s0:
3196     ID = Intrinsic::hexagon_M2_cmpys_s0; break;
3197 
3198   case Hexagon::BI__builtin_HEXAGON_M2_cmpys_s1:
3199     ID = Intrinsic::hexagon_M2_cmpys_s1; break;
3200 
3201   case Hexagon::BI__builtin_HEXAGON_M2_cmpysc_s0:
3202     ID = Intrinsic::hexagon_M2_cmpysc_s0; break;
3203 
3204   case Hexagon::BI__builtin_HEXAGON_M2_cmpysc_s1:
3205     ID = Intrinsic::hexagon_M2_cmpysc_s1; break;
3206 
3207   case Hexagon::BI__builtin_HEXAGON_M2_cnacs_s0:
3208     ID = Intrinsic::hexagon_M2_cnacs_s0; break;
3209 
3210   case Hexagon::BI__builtin_HEXAGON_M2_cnacs_s1:
3211     ID = Intrinsic::hexagon_M2_cnacs_s1; break;
3212 
3213   case Hexagon::BI__builtin_HEXAGON_M2_cnacsc_s0:
3214     ID = Intrinsic::hexagon_M2_cnacsc_s0; break;
3215 
3216   case Hexagon::BI__builtin_HEXAGON_M2_cnacsc_s1:
3217     ID = Intrinsic::hexagon_M2_cnacsc_s1; break;
3218 
3219   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpys_s1:
3220     ID = Intrinsic::hexagon_M2_vrcmpys_s1; break;
3221 
3222   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpys_acc_s1:
3223     ID = Intrinsic::hexagon_M2_vrcmpys_acc_s1; break;
3224 
3225   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpys_s1rp:
3226     ID = Intrinsic::hexagon_M2_vrcmpys_s1rp; break;
3227 
3228   case Hexagon::BI__builtin_HEXAGON_M2_mmacls_s0:
3229     ID = Intrinsic::hexagon_M2_mmacls_s0; break;
3230 
3231   case Hexagon::BI__builtin_HEXAGON_M2_mmacls_s1:
3232     ID = Intrinsic::hexagon_M2_mmacls_s1; break;
3233 
3234   case Hexagon::BI__builtin_HEXAGON_M2_mmachs_s0:
3235     ID = Intrinsic::hexagon_M2_mmachs_s0; break;
3236 
3237   case Hexagon::BI__builtin_HEXAGON_M2_mmachs_s1:
3238     ID = Intrinsic::hexagon_M2_mmachs_s1; break;
3239 
3240   case Hexagon::BI__builtin_HEXAGON_M2_mmpyl_s0:
3241     ID = Intrinsic::hexagon_M2_mmpyl_s0; break;
3242 
3243   case Hexagon::BI__builtin_HEXAGON_M2_mmpyl_s1:
3244     ID = Intrinsic::hexagon_M2_mmpyl_s1; break;
3245 
3246   case Hexagon::BI__builtin_HEXAGON_M2_mmpyh_s0:
3247     ID = Intrinsic::hexagon_M2_mmpyh_s0; break;
3248 
3249   case Hexagon::BI__builtin_HEXAGON_M2_mmpyh_s1:
3250     ID = Intrinsic::hexagon_M2_mmpyh_s1; break;
3251 
3252   case Hexagon::BI__builtin_HEXAGON_M2_mmacls_rs0:
3253     ID = Intrinsic::hexagon_M2_mmacls_rs0; break;
3254 
3255   case Hexagon::BI__builtin_HEXAGON_M2_mmacls_rs1:
3256     ID = Intrinsic::hexagon_M2_mmacls_rs1; break;
3257 
3258   case Hexagon::BI__builtin_HEXAGON_M2_mmachs_rs0:
3259     ID = Intrinsic::hexagon_M2_mmachs_rs0; break;
3260 
3261   case Hexagon::BI__builtin_HEXAGON_M2_mmachs_rs1:
3262     ID = Intrinsic::hexagon_M2_mmachs_rs1; break;
3263 
3264   case Hexagon::BI__builtin_HEXAGON_M2_mmpyl_rs0:
3265     ID = Intrinsic::hexagon_M2_mmpyl_rs0; break;
3266 
3267   case Hexagon::BI__builtin_HEXAGON_M2_mmpyl_rs1:
3268     ID = Intrinsic::hexagon_M2_mmpyl_rs1; break;
3269 
3270   case Hexagon::BI__builtin_HEXAGON_M2_mmpyh_rs0:
3271     ID = Intrinsic::hexagon_M2_mmpyh_rs0; break;
3272 
3273   case Hexagon::BI__builtin_HEXAGON_M2_mmpyh_rs1:
3274     ID = Intrinsic::hexagon_M2_mmpyh_rs1; break;
3275 
3276   case Hexagon::BI__builtin_HEXAGON_M2_hmmpyl_rs1:
3277     ID = Intrinsic::hexagon_M2_hmmpyl_rs1; break;
3278 
3279   case Hexagon::BI__builtin_HEXAGON_M2_hmmpyh_rs1:
3280     ID = Intrinsic::hexagon_M2_hmmpyh_rs1; break;
3281 
3282   case Hexagon::BI__builtin_HEXAGON_M2_mmaculs_s0:
3283     ID = Intrinsic::hexagon_M2_mmaculs_s0; break;
3284 
3285   case Hexagon::BI__builtin_HEXAGON_M2_mmaculs_s1:
3286     ID = Intrinsic::hexagon_M2_mmaculs_s1; break;
3287 
3288   case Hexagon::BI__builtin_HEXAGON_M2_mmacuhs_s0:
3289     ID = Intrinsic::hexagon_M2_mmacuhs_s0; break;
3290 
3291   case Hexagon::BI__builtin_HEXAGON_M2_mmacuhs_s1:
3292     ID = Intrinsic::hexagon_M2_mmacuhs_s1; break;
3293 
3294   case Hexagon::BI__builtin_HEXAGON_M2_mmpyul_s0:
3295     ID = Intrinsic::hexagon_M2_mmpyul_s0; break;
3296 
3297   case Hexagon::BI__builtin_HEXAGON_M2_mmpyul_s1:
3298     ID = Intrinsic::hexagon_M2_mmpyul_s1; break;
3299 
3300   case Hexagon::BI__builtin_HEXAGON_M2_mmpyuh_s0:
3301     ID = Intrinsic::hexagon_M2_mmpyuh_s0; break;
3302 
3303   case Hexagon::BI__builtin_HEXAGON_M2_mmpyuh_s1:
3304     ID = Intrinsic::hexagon_M2_mmpyuh_s1; break;
3305 
3306   case Hexagon::BI__builtin_HEXAGON_M2_mmaculs_rs0:
3307     ID = Intrinsic::hexagon_M2_mmaculs_rs0; break;
3308 
3309   case Hexagon::BI__builtin_HEXAGON_M2_mmaculs_rs1:
3310     ID = Intrinsic::hexagon_M2_mmaculs_rs1; break;
3311 
3312   case Hexagon::BI__builtin_HEXAGON_M2_mmacuhs_rs0:
3313     ID = Intrinsic::hexagon_M2_mmacuhs_rs0; break;
3314 
3315   case Hexagon::BI__builtin_HEXAGON_M2_mmacuhs_rs1:
3316     ID = Intrinsic::hexagon_M2_mmacuhs_rs1; break;
3317 
3318   case Hexagon::BI__builtin_HEXAGON_M2_mmpyul_rs0:
3319     ID = Intrinsic::hexagon_M2_mmpyul_rs0; break;
3320 
3321   case Hexagon::BI__builtin_HEXAGON_M2_mmpyul_rs1:
3322     ID = Intrinsic::hexagon_M2_mmpyul_rs1; break;
3323 
3324   case Hexagon::BI__builtin_HEXAGON_M2_mmpyuh_rs0:
3325     ID = Intrinsic::hexagon_M2_mmpyuh_rs0; break;
3326 
3327   case Hexagon::BI__builtin_HEXAGON_M2_mmpyuh_rs1:
3328     ID = Intrinsic::hexagon_M2_mmpyuh_rs1; break;
3329 
3330   case Hexagon::BI__builtin_HEXAGON_M2_vrcmaci_s0:
3331     ID = Intrinsic::hexagon_M2_vrcmaci_s0; break;
3332 
3333   case Hexagon::BI__builtin_HEXAGON_M2_vrcmacr_s0:
3334     ID = Intrinsic::hexagon_M2_vrcmacr_s0; break;
3335 
3336   case Hexagon::BI__builtin_HEXAGON_M2_vrcmaci_s0c:
3337     ID = Intrinsic::hexagon_M2_vrcmaci_s0c; break;
3338 
3339   case Hexagon::BI__builtin_HEXAGON_M2_vrcmacr_s0c:
3340     ID = Intrinsic::hexagon_M2_vrcmacr_s0c; break;
3341 
3342   case Hexagon::BI__builtin_HEXAGON_M2_cmaci_s0:
3343     ID = Intrinsic::hexagon_M2_cmaci_s0; break;
3344 
3345   case Hexagon::BI__builtin_HEXAGON_M2_cmacr_s0:
3346     ID = Intrinsic::hexagon_M2_cmacr_s0; break;
3347 
3348   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpyi_s0:
3349     ID = Intrinsic::hexagon_M2_vrcmpyi_s0; break;
3350 
3351   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpyr_s0:
3352     ID = Intrinsic::hexagon_M2_vrcmpyr_s0; break;
3353 
3354   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpyi_s0c:
3355     ID = Intrinsic::hexagon_M2_vrcmpyi_s0c; break;
3356 
3357   case Hexagon::BI__builtin_HEXAGON_M2_vrcmpyr_s0c:
3358     ID = Intrinsic::hexagon_M2_vrcmpyr_s0c; break;
3359 
3360   case Hexagon::BI__builtin_HEXAGON_M2_cmpyi_s0:
3361     ID = Intrinsic::hexagon_M2_cmpyi_s0; break;
3362 
3363   case Hexagon::BI__builtin_HEXAGON_M2_cmpyr_s0:
3364     ID = Intrinsic::hexagon_M2_cmpyr_s0; break;
3365 
3366   case Hexagon::BI__builtin_HEXAGON_M2_vcmpy_s0_sat_i:
3367     ID = Intrinsic::hexagon_M2_vcmpy_s0_sat_i; break;
3368 
3369   case Hexagon::BI__builtin_HEXAGON_M2_vcmpy_s0_sat_r:
3370     ID = Intrinsic::hexagon_M2_vcmpy_s0_sat_r; break;
3371 
3372   case Hexagon::BI__builtin_HEXAGON_M2_vcmpy_s1_sat_i:
3373     ID = Intrinsic::hexagon_M2_vcmpy_s1_sat_i; break;
3374 
3375   case Hexagon::BI__builtin_HEXAGON_M2_vcmpy_s1_sat_r:
3376     ID = Intrinsic::hexagon_M2_vcmpy_s1_sat_r; break;
3377 
3378   case Hexagon::BI__builtin_HEXAGON_M2_vcmac_s0_sat_i:
3379     ID = Intrinsic::hexagon_M2_vcmac_s0_sat_i; break;
3380 
3381   case Hexagon::BI__builtin_HEXAGON_M2_vcmac_s0_sat_r:
3382     ID = Intrinsic::hexagon_M2_vcmac_s0_sat_r; break;
3383 
3384   case Hexagon::BI__builtin_HEXAGON_S2_vcrotate:
3385     ID = Intrinsic::hexagon_S2_vcrotate; break;
3386 
3387   case Hexagon::BI__builtin_HEXAGON_A2_add:
3388     ID = Intrinsic::hexagon_A2_add; break;
3389 
3390   case Hexagon::BI__builtin_HEXAGON_A2_sub:
3391     ID = Intrinsic::hexagon_A2_sub; break;
3392 
3393   case Hexagon::BI__builtin_HEXAGON_A2_addsat:
3394     ID = Intrinsic::hexagon_A2_addsat; break;
3395 
3396   case Hexagon::BI__builtin_HEXAGON_A2_subsat:
3397     ID = Intrinsic::hexagon_A2_subsat; break;
3398 
3399   case Hexagon::BI__builtin_HEXAGON_A2_addi:
3400     ID = Intrinsic::hexagon_A2_addi; break;
3401 
3402   case Hexagon::BI__builtin_HEXAGON_A2_addh_l16_ll:
3403     ID = Intrinsic::hexagon_A2_addh_l16_ll; break;
3404 
3405   case Hexagon::BI__builtin_HEXAGON_A2_addh_l16_hl:
3406     ID = Intrinsic::hexagon_A2_addh_l16_hl; break;
3407 
3408   case Hexagon::BI__builtin_HEXAGON_A2_addh_l16_sat_ll:
3409     ID = Intrinsic::hexagon_A2_addh_l16_sat_ll; break;
3410 
3411   case Hexagon::BI__builtin_HEXAGON_A2_addh_l16_sat_hl:
3412     ID = Intrinsic::hexagon_A2_addh_l16_sat_hl; break;
3413 
3414   case Hexagon::BI__builtin_HEXAGON_A2_subh_l16_ll:
3415     ID = Intrinsic::hexagon_A2_subh_l16_ll; break;
3416 
3417   case Hexagon::BI__builtin_HEXAGON_A2_subh_l16_hl:
3418     ID = Intrinsic::hexagon_A2_subh_l16_hl; break;
3419 
3420   case Hexagon::BI__builtin_HEXAGON_A2_subh_l16_sat_ll:
3421     ID = Intrinsic::hexagon_A2_subh_l16_sat_ll; break;
3422 
3423   case Hexagon::BI__builtin_HEXAGON_A2_subh_l16_sat_hl:
3424     ID = Intrinsic::hexagon_A2_subh_l16_sat_hl; break;
3425 
3426   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_ll:
3427     ID = Intrinsic::hexagon_A2_addh_h16_ll; break;
3428 
3429   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_lh:
3430     ID = Intrinsic::hexagon_A2_addh_h16_lh; break;
3431 
3432   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_hl:
3433     ID = Intrinsic::hexagon_A2_addh_h16_hl; break;
3434 
3435   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_hh:
3436     ID = Intrinsic::hexagon_A2_addh_h16_hh; break;
3437 
3438   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_sat_ll:
3439     ID = Intrinsic::hexagon_A2_addh_h16_sat_ll; break;
3440 
3441   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_sat_lh:
3442     ID = Intrinsic::hexagon_A2_addh_h16_sat_lh; break;
3443 
3444   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_sat_hl:
3445     ID = Intrinsic::hexagon_A2_addh_h16_sat_hl; break;
3446 
3447   case Hexagon::BI__builtin_HEXAGON_A2_addh_h16_sat_hh:
3448     ID = Intrinsic::hexagon_A2_addh_h16_sat_hh; break;
3449 
3450   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_ll:
3451     ID = Intrinsic::hexagon_A2_subh_h16_ll; break;
3452 
3453   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_lh:
3454     ID = Intrinsic::hexagon_A2_subh_h16_lh; break;
3455 
3456   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_hl:
3457     ID = Intrinsic::hexagon_A2_subh_h16_hl; break;
3458 
3459   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_hh:
3460     ID = Intrinsic::hexagon_A2_subh_h16_hh; break;
3461 
3462   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_sat_ll:
3463     ID = Intrinsic::hexagon_A2_subh_h16_sat_ll; break;
3464 
3465   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_sat_lh:
3466     ID = Intrinsic::hexagon_A2_subh_h16_sat_lh; break;
3467 
3468   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_sat_hl:
3469     ID = Intrinsic::hexagon_A2_subh_h16_sat_hl; break;
3470 
3471   case Hexagon::BI__builtin_HEXAGON_A2_subh_h16_sat_hh:
3472     ID = Intrinsic::hexagon_A2_subh_h16_sat_hh; break;
3473 
3474   case Hexagon::BI__builtin_HEXAGON_A2_aslh:
3475     ID = Intrinsic::hexagon_A2_aslh; break;
3476 
3477   case Hexagon::BI__builtin_HEXAGON_A2_asrh:
3478     ID = Intrinsic::hexagon_A2_asrh; break;
3479 
3480   case Hexagon::BI__builtin_HEXAGON_A2_addp:
3481     ID = Intrinsic::hexagon_A2_addp; break;
3482 
3483   case Hexagon::BI__builtin_HEXAGON_A2_addpsat:
3484     ID = Intrinsic::hexagon_A2_addpsat; break;
3485 
3486   case Hexagon::BI__builtin_HEXAGON_A2_addsp:
3487     ID = Intrinsic::hexagon_A2_addsp; break;
3488 
3489   case Hexagon::BI__builtin_HEXAGON_A2_subp:
3490     ID = Intrinsic::hexagon_A2_subp; break;
3491 
3492   case Hexagon::BI__builtin_HEXAGON_A2_neg:
3493     ID = Intrinsic::hexagon_A2_neg; break;
3494 
3495   case Hexagon::BI__builtin_HEXAGON_A2_negsat:
3496     ID = Intrinsic::hexagon_A2_negsat; break;
3497 
3498   case Hexagon::BI__builtin_HEXAGON_A2_abs:
3499     ID = Intrinsic::hexagon_A2_abs; break;
3500 
3501   case Hexagon::BI__builtin_HEXAGON_A2_abssat:
3502     ID = Intrinsic::hexagon_A2_abssat; break;
3503 
3504   case Hexagon::BI__builtin_HEXAGON_A2_vconj:
3505     ID = Intrinsic::hexagon_A2_vconj; break;
3506 
3507   case Hexagon::BI__builtin_HEXAGON_A2_negp:
3508     ID = Intrinsic::hexagon_A2_negp; break;
3509 
3510   case Hexagon::BI__builtin_HEXAGON_A2_absp:
3511     ID = Intrinsic::hexagon_A2_absp; break;
3512 
3513   case Hexagon::BI__builtin_HEXAGON_A2_max:
3514     ID = Intrinsic::hexagon_A2_max; break;
3515 
3516   case Hexagon::BI__builtin_HEXAGON_A2_maxu:
3517     ID = Intrinsic::hexagon_A2_maxu; break;
3518 
3519   case Hexagon::BI__builtin_HEXAGON_A2_min:
3520     ID = Intrinsic::hexagon_A2_min; break;
3521 
3522   case Hexagon::BI__builtin_HEXAGON_A2_minu:
3523     ID = Intrinsic::hexagon_A2_minu; break;
3524 
3525   case Hexagon::BI__builtin_HEXAGON_A2_maxp:
3526     ID = Intrinsic::hexagon_A2_maxp; break;
3527 
3528   case Hexagon::BI__builtin_HEXAGON_A2_maxup:
3529     ID = Intrinsic::hexagon_A2_maxup; break;
3530 
3531   case Hexagon::BI__builtin_HEXAGON_A2_minp:
3532     ID = Intrinsic::hexagon_A2_minp; break;
3533 
3534   case Hexagon::BI__builtin_HEXAGON_A2_minup:
3535     ID = Intrinsic::hexagon_A2_minup; break;
3536 
3537   case Hexagon::BI__builtin_HEXAGON_A2_tfr:
3538     ID = Intrinsic::hexagon_A2_tfr; break;
3539 
3540   case Hexagon::BI__builtin_HEXAGON_A2_tfrsi:
3541     ID = Intrinsic::hexagon_A2_tfrsi; break;
3542 
3543   case Hexagon::BI__builtin_HEXAGON_A2_tfrp:
3544     ID = Intrinsic::hexagon_A2_tfrp; break;
3545 
3546   case Hexagon::BI__builtin_HEXAGON_A2_tfrpi:
3547     ID = Intrinsic::hexagon_A2_tfrpi; break;
3548 
3549   case Hexagon::BI__builtin_HEXAGON_A2_zxtb:
3550     ID = Intrinsic::hexagon_A2_zxtb; break;
3551 
3552   case Hexagon::BI__builtin_HEXAGON_A2_sxtb:
3553     ID = Intrinsic::hexagon_A2_sxtb; break;
3554 
3555   case Hexagon::BI__builtin_HEXAGON_A2_zxth:
3556     ID = Intrinsic::hexagon_A2_zxth; break;
3557 
3558   case Hexagon::BI__builtin_HEXAGON_A2_sxth:
3559     ID = Intrinsic::hexagon_A2_sxth; break;
3560 
3561   case Hexagon::BI__builtin_HEXAGON_A2_combinew:
3562     ID = Intrinsic::hexagon_A2_combinew; break;
3563 
3564   case Hexagon::BI__builtin_HEXAGON_A2_combineii:
3565     ID = Intrinsic::hexagon_A2_combineii; break;
3566 
3567   case Hexagon::BI__builtin_HEXAGON_A2_combine_hh:
3568     ID = Intrinsic::hexagon_A2_combine_hh; break;
3569 
3570   case Hexagon::BI__builtin_HEXAGON_A2_combine_hl:
3571     ID = Intrinsic::hexagon_A2_combine_hl; break;
3572 
3573   case Hexagon::BI__builtin_HEXAGON_A2_combine_lh:
3574     ID = Intrinsic::hexagon_A2_combine_lh; break;
3575 
3576   case Hexagon::BI__builtin_HEXAGON_A2_combine_ll:
3577     ID = Intrinsic::hexagon_A2_combine_ll; break;
3578 
3579   case Hexagon::BI__builtin_HEXAGON_A2_tfril:
3580     ID = Intrinsic::hexagon_A2_tfril; break;
3581 
3582   case Hexagon::BI__builtin_HEXAGON_A2_tfrih:
3583     ID = Intrinsic::hexagon_A2_tfrih; break;
3584 
3585   case Hexagon::BI__builtin_HEXAGON_A2_and:
3586     ID = Intrinsic::hexagon_A2_and; break;
3587 
3588   case Hexagon::BI__builtin_HEXAGON_A2_or:
3589     ID = Intrinsic::hexagon_A2_or; break;
3590 
3591   case Hexagon::BI__builtin_HEXAGON_A2_xor:
3592     ID = Intrinsic::hexagon_A2_xor; break;
3593 
3594   case Hexagon::BI__builtin_HEXAGON_A2_not:
3595     ID = Intrinsic::hexagon_A2_not; break;
3596 
3597   case Hexagon::BI__builtin_HEXAGON_M2_xor_xacc:
3598     ID = Intrinsic::hexagon_M2_xor_xacc; break;
3599 
3600   case Hexagon::BI__builtin_HEXAGON_A2_subri:
3601     ID = Intrinsic::hexagon_A2_subri; break;
3602 
3603   case Hexagon::BI__builtin_HEXAGON_A2_andir:
3604     ID = Intrinsic::hexagon_A2_andir; break;
3605 
3606   case Hexagon::BI__builtin_HEXAGON_A2_orir:
3607     ID = Intrinsic::hexagon_A2_orir; break;
3608 
3609   case Hexagon::BI__builtin_HEXAGON_A2_andp:
3610     ID = Intrinsic::hexagon_A2_andp; break;
3611 
3612   case Hexagon::BI__builtin_HEXAGON_A2_orp:
3613     ID = Intrinsic::hexagon_A2_orp; break;
3614 
3615   case Hexagon::BI__builtin_HEXAGON_A2_xorp:
3616     ID = Intrinsic::hexagon_A2_xorp; break;
3617 
3618   case Hexagon::BI__builtin_HEXAGON_A2_notp:
3619     ID = Intrinsic::hexagon_A2_notp; break;
3620 
3621   case Hexagon::BI__builtin_HEXAGON_A2_sxtw:
3622     ID = Intrinsic::hexagon_A2_sxtw; break;
3623 
3624   case Hexagon::BI__builtin_HEXAGON_A2_sat:
3625     ID = Intrinsic::hexagon_A2_sat; break;
3626 
3627   case Hexagon::BI__builtin_HEXAGON_A2_sath:
3628     ID = Intrinsic::hexagon_A2_sath; break;
3629 
3630   case Hexagon::BI__builtin_HEXAGON_A2_satuh:
3631     ID = Intrinsic::hexagon_A2_satuh; break;
3632 
3633   case Hexagon::BI__builtin_HEXAGON_A2_satub:
3634     ID = Intrinsic::hexagon_A2_satub; break;
3635 
3636   case Hexagon::BI__builtin_HEXAGON_A2_satb:
3637     ID = Intrinsic::hexagon_A2_satb; break;
3638 
3639   case Hexagon::BI__builtin_HEXAGON_A2_vaddub:
3640     ID = Intrinsic::hexagon_A2_vaddub; break;
3641 
3642   case Hexagon::BI__builtin_HEXAGON_A2_vaddubs:
3643     ID = Intrinsic::hexagon_A2_vaddubs; break;
3644 
3645   case Hexagon::BI__builtin_HEXAGON_A2_vaddh:
3646     ID = Intrinsic::hexagon_A2_vaddh; break;
3647 
3648   case Hexagon::BI__builtin_HEXAGON_A2_vaddhs:
3649     ID = Intrinsic::hexagon_A2_vaddhs; break;
3650 
3651   case Hexagon::BI__builtin_HEXAGON_A2_vadduhs:
3652     ID = Intrinsic::hexagon_A2_vadduhs; break;
3653 
3654   case Hexagon::BI__builtin_HEXAGON_A2_vaddw:
3655     ID = Intrinsic::hexagon_A2_vaddw; break;
3656 
3657   case Hexagon::BI__builtin_HEXAGON_A2_vaddws:
3658     ID = Intrinsic::hexagon_A2_vaddws; break;
3659 
3660   case Hexagon::BI__builtin_HEXAGON_A2_svavgh:
3661     ID = Intrinsic::hexagon_A2_svavgh; break;
3662 
3663   case Hexagon::BI__builtin_HEXAGON_A2_svavghs:
3664     ID = Intrinsic::hexagon_A2_svavghs; break;
3665 
3666   case Hexagon::BI__builtin_HEXAGON_A2_svnavgh:
3667     ID = Intrinsic::hexagon_A2_svnavgh; break;
3668 
3669   case Hexagon::BI__builtin_HEXAGON_A2_svaddh:
3670     ID = Intrinsic::hexagon_A2_svaddh; break;
3671 
3672   case Hexagon::BI__builtin_HEXAGON_A2_svaddhs:
3673     ID = Intrinsic::hexagon_A2_svaddhs; break;
3674 
3675   case Hexagon::BI__builtin_HEXAGON_A2_svadduhs:
3676     ID = Intrinsic::hexagon_A2_svadduhs; break;
3677 
3678   case Hexagon::BI__builtin_HEXAGON_A2_svsubh:
3679     ID = Intrinsic::hexagon_A2_svsubh; break;
3680 
3681   case Hexagon::BI__builtin_HEXAGON_A2_svsubhs:
3682     ID = Intrinsic::hexagon_A2_svsubhs; break;
3683 
3684   case Hexagon::BI__builtin_HEXAGON_A2_svsubuhs:
3685     ID = Intrinsic::hexagon_A2_svsubuhs; break;
3686 
3687   case Hexagon::BI__builtin_HEXAGON_A2_vraddub:
3688     ID = Intrinsic::hexagon_A2_vraddub; break;
3689 
3690   case Hexagon::BI__builtin_HEXAGON_A2_vraddub_acc:
3691     ID = Intrinsic::hexagon_A2_vraddub_acc; break;
3692 
3693   case Hexagon::BI__builtin_HEXAGON_M2_vradduh:
3694     ID = Intrinsic::hexagon_M2_vradduh; break;
3695 
3696   case Hexagon::BI__builtin_HEXAGON_A2_vsubub:
3697     ID = Intrinsic::hexagon_A2_vsubub; break;
3698 
3699   case Hexagon::BI__builtin_HEXAGON_A2_vsububs:
3700     ID = Intrinsic::hexagon_A2_vsububs; break;
3701 
3702   case Hexagon::BI__builtin_HEXAGON_A2_vsubh:
3703     ID = Intrinsic::hexagon_A2_vsubh; break;
3704 
3705   case Hexagon::BI__builtin_HEXAGON_A2_vsubhs:
3706     ID = Intrinsic::hexagon_A2_vsubhs; break;
3707 
3708   case Hexagon::BI__builtin_HEXAGON_A2_vsubuhs:
3709     ID = Intrinsic::hexagon_A2_vsubuhs; break;
3710 
3711   case Hexagon::BI__builtin_HEXAGON_A2_vsubw:
3712     ID = Intrinsic::hexagon_A2_vsubw; break;
3713 
3714   case Hexagon::BI__builtin_HEXAGON_A2_vsubws:
3715     ID = Intrinsic::hexagon_A2_vsubws; break;
3716 
3717   case Hexagon::BI__builtin_HEXAGON_A2_vabsh:
3718     ID = Intrinsic::hexagon_A2_vabsh; break;
3719 
3720   case Hexagon::BI__builtin_HEXAGON_A2_vabshsat:
3721     ID = Intrinsic::hexagon_A2_vabshsat; break;
3722 
3723   case Hexagon::BI__builtin_HEXAGON_A2_vabsw:
3724     ID = Intrinsic::hexagon_A2_vabsw; break;
3725 
3726   case Hexagon::BI__builtin_HEXAGON_A2_vabswsat:
3727     ID = Intrinsic::hexagon_A2_vabswsat; break;
3728 
3729   case Hexagon::BI__builtin_HEXAGON_M2_vabsdiffw:
3730     ID = Intrinsic::hexagon_M2_vabsdiffw; break;
3731 
3732   case Hexagon::BI__builtin_HEXAGON_M2_vabsdiffh:
3733     ID = Intrinsic::hexagon_M2_vabsdiffh; break;
3734 
3735   case Hexagon::BI__builtin_HEXAGON_A2_vrsadub:
3736     ID = Intrinsic::hexagon_A2_vrsadub; break;
3737 
3738   case Hexagon::BI__builtin_HEXAGON_A2_vrsadub_acc:
3739     ID = Intrinsic::hexagon_A2_vrsadub_acc; break;
3740 
3741   case Hexagon::BI__builtin_HEXAGON_A2_vavgub:
3742     ID = Intrinsic::hexagon_A2_vavgub; break;
3743 
3744   case Hexagon::BI__builtin_HEXAGON_A2_vavguh:
3745     ID = Intrinsic::hexagon_A2_vavguh; break;
3746 
3747   case Hexagon::BI__builtin_HEXAGON_A2_vavgh:
3748     ID = Intrinsic::hexagon_A2_vavgh; break;
3749 
3750   case Hexagon::BI__builtin_HEXAGON_A2_vnavgh:
3751     ID = Intrinsic::hexagon_A2_vnavgh; break;
3752 
3753   case Hexagon::BI__builtin_HEXAGON_A2_vavgw:
3754     ID = Intrinsic::hexagon_A2_vavgw; break;
3755 
3756   case Hexagon::BI__builtin_HEXAGON_A2_vnavgw:
3757     ID = Intrinsic::hexagon_A2_vnavgw; break;
3758 
3759   case Hexagon::BI__builtin_HEXAGON_A2_vavgwr:
3760     ID = Intrinsic::hexagon_A2_vavgwr; break;
3761 
3762   case Hexagon::BI__builtin_HEXAGON_A2_vnavgwr:
3763     ID = Intrinsic::hexagon_A2_vnavgwr; break;
3764 
3765   case Hexagon::BI__builtin_HEXAGON_A2_vavgwcr:
3766     ID = Intrinsic::hexagon_A2_vavgwcr; break;
3767 
3768   case Hexagon::BI__builtin_HEXAGON_A2_vnavgwcr:
3769     ID = Intrinsic::hexagon_A2_vnavgwcr; break;
3770 
3771   case Hexagon::BI__builtin_HEXAGON_A2_vavghcr:
3772     ID = Intrinsic::hexagon_A2_vavghcr; break;
3773 
3774   case Hexagon::BI__builtin_HEXAGON_A2_vnavghcr:
3775     ID = Intrinsic::hexagon_A2_vnavghcr; break;
3776 
3777   case Hexagon::BI__builtin_HEXAGON_A2_vavguw:
3778     ID = Intrinsic::hexagon_A2_vavguw; break;
3779 
3780   case Hexagon::BI__builtin_HEXAGON_A2_vavguwr:
3781     ID = Intrinsic::hexagon_A2_vavguwr; break;
3782 
3783   case Hexagon::BI__builtin_HEXAGON_A2_vavgubr:
3784     ID = Intrinsic::hexagon_A2_vavgubr; break;
3785 
3786   case Hexagon::BI__builtin_HEXAGON_A2_vavguhr:
3787     ID = Intrinsic::hexagon_A2_vavguhr; break;
3788 
3789   case Hexagon::BI__builtin_HEXAGON_A2_vavghr:
3790     ID = Intrinsic::hexagon_A2_vavghr; break;
3791 
3792   case Hexagon::BI__builtin_HEXAGON_A2_vnavghr:
3793     ID = Intrinsic::hexagon_A2_vnavghr; break;
3794 
3795   case Hexagon::BI__builtin_HEXAGON_A2_vminh:
3796     ID = Intrinsic::hexagon_A2_vminh; break;
3797 
3798   case Hexagon::BI__builtin_HEXAGON_A2_vmaxh:
3799     ID = Intrinsic::hexagon_A2_vmaxh; break;
3800 
3801   case Hexagon::BI__builtin_HEXAGON_A2_vminub:
3802     ID = Intrinsic::hexagon_A2_vminub; break;
3803 
3804   case Hexagon::BI__builtin_HEXAGON_A2_vmaxub:
3805     ID = Intrinsic::hexagon_A2_vmaxub; break;
3806 
3807   case Hexagon::BI__builtin_HEXAGON_A2_vminuh:
3808     ID = Intrinsic::hexagon_A2_vminuh; break;
3809 
3810   case Hexagon::BI__builtin_HEXAGON_A2_vmaxuh:
3811     ID = Intrinsic::hexagon_A2_vmaxuh; break;
3812 
3813   case Hexagon::BI__builtin_HEXAGON_A2_vminw:
3814     ID = Intrinsic::hexagon_A2_vminw; break;
3815 
3816   case Hexagon::BI__builtin_HEXAGON_A2_vmaxw:
3817     ID = Intrinsic::hexagon_A2_vmaxw; break;
3818 
3819   case Hexagon::BI__builtin_HEXAGON_A2_vminuw:
3820     ID = Intrinsic::hexagon_A2_vminuw; break;
3821 
3822   case Hexagon::BI__builtin_HEXAGON_A2_vmaxuw:
3823     ID = Intrinsic::hexagon_A2_vmaxuw; break;
3824 
3825   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_r:
3826     ID = Intrinsic::hexagon_S2_asr_r_r; break;
3827 
3828   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_r:
3829     ID = Intrinsic::hexagon_S2_asl_r_r; break;
3830 
3831   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_r:
3832     ID = Intrinsic::hexagon_S2_lsr_r_r; break;
3833 
3834   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_r:
3835     ID = Intrinsic::hexagon_S2_lsl_r_r; break;
3836 
3837   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_p:
3838     ID = Intrinsic::hexagon_S2_asr_r_p; break;
3839 
3840   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_p:
3841     ID = Intrinsic::hexagon_S2_asl_r_p; break;
3842 
3843   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_p:
3844     ID = Intrinsic::hexagon_S2_lsr_r_p; break;
3845 
3846   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_p:
3847     ID = Intrinsic::hexagon_S2_lsl_r_p; break;
3848 
3849   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_r_acc:
3850     ID = Intrinsic::hexagon_S2_asr_r_r_acc; break;
3851 
3852   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_r_acc:
3853     ID = Intrinsic::hexagon_S2_asl_r_r_acc; break;
3854 
3855   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_r_acc:
3856     ID = Intrinsic::hexagon_S2_lsr_r_r_acc; break;
3857 
3858   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_r_acc:
3859     ID = Intrinsic::hexagon_S2_lsl_r_r_acc; break;
3860 
3861   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_p_acc:
3862     ID = Intrinsic::hexagon_S2_asr_r_p_acc; break;
3863 
3864   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_p_acc:
3865     ID = Intrinsic::hexagon_S2_asl_r_p_acc; break;
3866 
3867   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_p_acc:
3868     ID = Intrinsic::hexagon_S2_lsr_r_p_acc; break;
3869 
3870   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_p_acc:
3871     ID = Intrinsic::hexagon_S2_lsl_r_p_acc; break;
3872 
3873   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_r_nac:
3874     ID = Intrinsic::hexagon_S2_asr_r_r_nac; break;
3875 
3876   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_r_nac:
3877     ID = Intrinsic::hexagon_S2_asl_r_r_nac; break;
3878 
3879   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_r_nac:
3880     ID = Intrinsic::hexagon_S2_lsr_r_r_nac; break;
3881 
3882   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_r_nac:
3883     ID = Intrinsic::hexagon_S2_lsl_r_r_nac; break;
3884 
3885   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_p_nac:
3886     ID = Intrinsic::hexagon_S2_asr_r_p_nac; break;
3887 
3888   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_p_nac:
3889     ID = Intrinsic::hexagon_S2_asl_r_p_nac; break;
3890 
3891   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_p_nac:
3892     ID = Intrinsic::hexagon_S2_lsr_r_p_nac; break;
3893 
3894   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_p_nac:
3895     ID = Intrinsic::hexagon_S2_lsl_r_p_nac; break;
3896 
3897   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_r_and:
3898     ID = Intrinsic::hexagon_S2_asr_r_r_and; break;
3899 
3900   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_r_and:
3901     ID = Intrinsic::hexagon_S2_asl_r_r_and; break;
3902 
3903   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_r_and:
3904     ID = Intrinsic::hexagon_S2_lsr_r_r_and; break;
3905 
3906   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_r_and:
3907     ID = Intrinsic::hexagon_S2_lsl_r_r_and; break;
3908 
3909   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_r_or:
3910     ID = Intrinsic::hexagon_S2_asr_r_r_or; break;
3911 
3912   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_r_or:
3913     ID = Intrinsic::hexagon_S2_asl_r_r_or; break;
3914 
3915   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_r_or:
3916     ID = Intrinsic::hexagon_S2_lsr_r_r_or; break;
3917 
3918   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_r_or:
3919     ID = Intrinsic::hexagon_S2_lsl_r_r_or; break;
3920 
3921   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_p_and:
3922     ID = Intrinsic::hexagon_S2_asr_r_p_and; break;
3923 
3924   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_p_and:
3925     ID = Intrinsic::hexagon_S2_asl_r_p_and; break;
3926 
3927   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_p_and:
3928     ID = Intrinsic::hexagon_S2_lsr_r_p_and; break;
3929 
3930   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_p_and:
3931     ID = Intrinsic::hexagon_S2_lsl_r_p_and; break;
3932 
3933   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_p_or:
3934     ID = Intrinsic::hexagon_S2_asr_r_p_or; break;
3935 
3936   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_p_or:
3937     ID = Intrinsic::hexagon_S2_asl_r_p_or; break;
3938 
3939   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_p_or:
3940     ID = Intrinsic::hexagon_S2_lsr_r_p_or; break;
3941 
3942   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_p_or:
3943     ID = Intrinsic::hexagon_S2_lsl_r_p_or; break;
3944 
3945   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_r_sat:
3946     ID = Intrinsic::hexagon_S2_asr_r_r_sat; break;
3947 
3948   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_r_sat:
3949     ID = Intrinsic::hexagon_S2_asl_r_r_sat; break;
3950 
3951   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r:
3952     ID = Intrinsic::hexagon_S2_asr_i_r; break;
3953 
3954   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r:
3955     ID = Intrinsic::hexagon_S2_lsr_i_r; break;
3956 
3957   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r:
3958     ID = Intrinsic::hexagon_S2_asl_i_r; break;
3959 
3960   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_p:
3961     ID = Intrinsic::hexagon_S2_asr_i_p; break;
3962 
3963   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p:
3964     ID = Intrinsic::hexagon_S2_lsr_i_p; break;
3965 
3966   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_p:
3967     ID = Intrinsic::hexagon_S2_asl_i_p; break;
3968 
3969   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_acc:
3970     ID = Intrinsic::hexagon_S2_asr_i_r_acc; break;
3971 
3972   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_acc:
3973     ID = Intrinsic::hexagon_S2_lsr_i_r_acc; break;
3974 
3975   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_acc:
3976     ID = Intrinsic::hexagon_S2_asl_i_r_acc; break;
3977 
3978   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_acc:
3979     ID = Intrinsic::hexagon_S2_asr_i_p_acc; break;
3980 
3981   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_acc:
3982     ID = Intrinsic::hexagon_S2_lsr_i_p_acc; break;
3983 
3984   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_acc:
3985     ID = Intrinsic::hexagon_S2_asl_i_p_acc; break;
3986 
3987   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_nac:
3988     ID = Intrinsic::hexagon_S2_asr_i_r_nac; break;
3989 
3990   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_nac:
3991     ID = Intrinsic::hexagon_S2_lsr_i_r_nac; break;
3992 
3993   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_nac:
3994     ID = Intrinsic::hexagon_S2_asl_i_r_nac; break;
3995 
3996   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_nac:
3997     ID = Intrinsic::hexagon_S2_asr_i_p_nac; break;
3998 
3999   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_nac:
4000     ID = Intrinsic::hexagon_S2_lsr_i_p_nac; break;
4001 
4002   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_nac:
4003     ID = Intrinsic::hexagon_S2_asl_i_p_nac; break;
4004 
4005   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_xacc:
4006     ID = Intrinsic::hexagon_S2_lsr_i_r_xacc; break;
4007 
4008   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_xacc:
4009     ID = Intrinsic::hexagon_S2_asl_i_r_xacc; break;
4010 
4011   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_xacc:
4012     ID = Intrinsic::hexagon_S2_lsr_i_p_xacc; break;
4013 
4014   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_xacc:
4015     ID = Intrinsic::hexagon_S2_asl_i_p_xacc; break;
4016 
4017   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_and:
4018     ID = Intrinsic::hexagon_S2_asr_i_r_and; break;
4019 
4020   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_and:
4021     ID = Intrinsic::hexagon_S2_lsr_i_r_and; break;
4022 
4023   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_and:
4024     ID = Intrinsic::hexagon_S2_asl_i_r_and; break;
4025 
4026   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_or:
4027     ID = Intrinsic::hexagon_S2_asr_i_r_or; break;
4028 
4029   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_or:
4030     ID = Intrinsic::hexagon_S2_lsr_i_r_or; break;
4031 
4032   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_or:
4033     ID = Intrinsic::hexagon_S2_asl_i_r_or; break;
4034 
4035   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_and:
4036     ID = Intrinsic::hexagon_S2_asr_i_p_and; break;
4037 
4038   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_and:
4039     ID = Intrinsic::hexagon_S2_lsr_i_p_and; break;
4040 
4041   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_and:
4042     ID = Intrinsic::hexagon_S2_asl_i_p_and; break;
4043 
4044   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_or:
4045     ID = Intrinsic::hexagon_S2_asr_i_p_or; break;
4046 
4047   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_or:
4048     ID = Intrinsic::hexagon_S2_lsr_i_p_or; break;
4049 
4050   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_or:
4051     ID = Intrinsic::hexagon_S2_asl_i_p_or; break;
4052 
4053   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_sat:
4054     ID = Intrinsic::hexagon_S2_asl_i_r_sat; break;
4055 
4056   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_rnd:
4057     ID = Intrinsic::hexagon_S2_asr_i_r_rnd; break;
4058 
4059   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_rnd_goodsyntax:
4060     ID = Intrinsic::hexagon_S2_asr_i_r_rnd_goodsyntax; break;
4061 
4062   case Hexagon::BI__builtin_HEXAGON_S2_addasl_rrri:
4063     ID = Intrinsic::hexagon_S2_addasl_rrri; break;
4064 
4065   case Hexagon::BI__builtin_HEXAGON_S2_valignib:
4066     ID = Intrinsic::hexagon_S2_valignib; break;
4067 
4068   case Hexagon::BI__builtin_HEXAGON_S2_valignrb:
4069     ID = Intrinsic::hexagon_S2_valignrb; break;
4070 
4071   case Hexagon::BI__builtin_HEXAGON_S2_vspliceib:
4072     ID = Intrinsic::hexagon_S2_vspliceib; break;
4073 
4074   case Hexagon::BI__builtin_HEXAGON_S2_vsplicerb:
4075     ID = Intrinsic::hexagon_S2_vsplicerb; break;
4076 
4077   case Hexagon::BI__builtin_HEXAGON_S2_vsplatrh:
4078     ID = Intrinsic::hexagon_S2_vsplatrh; break;
4079 
4080   case Hexagon::BI__builtin_HEXAGON_S2_vsplatrb:
4081     ID = Intrinsic::hexagon_S2_vsplatrb; break;
4082 
4083   case Hexagon::BI__builtin_HEXAGON_S2_insert:
4084     ID = Intrinsic::hexagon_S2_insert; break;
4085 
4086   case Hexagon::BI__builtin_HEXAGON_S2_tableidxb_goodsyntax:
4087     ID = Intrinsic::hexagon_S2_tableidxb_goodsyntax; break;
4088 
4089   case Hexagon::BI__builtin_HEXAGON_S2_tableidxh_goodsyntax:
4090     ID = Intrinsic::hexagon_S2_tableidxh_goodsyntax; break;
4091 
4092   case Hexagon::BI__builtin_HEXAGON_S2_tableidxw_goodsyntax:
4093     ID = Intrinsic::hexagon_S2_tableidxw_goodsyntax; break;
4094 
4095   case Hexagon::BI__builtin_HEXAGON_S2_tableidxd_goodsyntax:
4096     ID = Intrinsic::hexagon_S2_tableidxd_goodsyntax; break;
4097 
4098   case Hexagon::BI__builtin_HEXAGON_S2_extractu:
4099     ID = Intrinsic::hexagon_S2_extractu; break;
4100 
4101   case Hexagon::BI__builtin_HEXAGON_S2_insertp:
4102     ID = Intrinsic::hexagon_S2_insertp; break;
4103 
4104   case Hexagon::BI__builtin_HEXAGON_S2_extractup:
4105     ID = Intrinsic::hexagon_S2_extractup; break;
4106 
4107   case Hexagon::BI__builtin_HEXAGON_S2_insert_rp:
4108     ID = Intrinsic::hexagon_S2_insert_rp; break;
4109 
4110   case Hexagon::BI__builtin_HEXAGON_S2_extractu_rp:
4111     ID = Intrinsic::hexagon_S2_extractu_rp; break;
4112 
4113   case Hexagon::BI__builtin_HEXAGON_S2_insertp_rp:
4114     ID = Intrinsic::hexagon_S2_insertp_rp; break;
4115 
4116   case Hexagon::BI__builtin_HEXAGON_S2_extractup_rp:
4117     ID = Intrinsic::hexagon_S2_extractup_rp; break;
4118 
4119   case Hexagon::BI__builtin_HEXAGON_S2_tstbit_i:
4120     ID = Intrinsic::hexagon_S2_tstbit_i; break;
4121 
4122   case Hexagon::BI__builtin_HEXAGON_S2_setbit_i:
4123     ID = Intrinsic::hexagon_S2_setbit_i; break;
4124 
4125   case Hexagon::BI__builtin_HEXAGON_S2_togglebit_i:
4126     ID = Intrinsic::hexagon_S2_togglebit_i; break;
4127 
4128   case Hexagon::BI__builtin_HEXAGON_S2_clrbit_i:
4129     ID = Intrinsic::hexagon_S2_clrbit_i; break;
4130 
4131   case Hexagon::BI__builtin_HEXAGON_S2_tstbit_r:
4132     ID = Intrinsic::hexagon_S2_tstbit_r; break;
4133 
4134   case Hexagon::BI__builtin_HEXAGON_S2_setbit_r:
4135     ID = Intrinsic::hexagon_S2_setbit_r; break;
4136 
4137   case Hexagon::BI__builtin_HEXAGON_S2_togglebit_r:
4138     ID = Intrinsic::hexagon_S2_togglebit_r; break;
4139 
4140   case Hexagon::BI__builtin_HEXAGON_S2_clrbit_r:
4141     ID = Intrinsic::hexagon_S2_clrbit_r; break;
4142 
4143   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_vh:
4144     ID = Intrinsic::hexagon_S2_asr_i_vh; break;
4145 
4146   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_vh:
4147     ID = Intrinsic::hexagon_S2_lsr_i_vh; break;
4148 
4149   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_vh:
4150     ID = Intrinsic::hexagon_S2_asl_i_vh; break;
4151 
4152   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_vh:
4153     ID = Intrinsic::hexagon_S2_asr_r_vh; break;
4154 
4155   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_vh:
4156     ID = Intrinsic::hexagon_S2_asl_r_vh; break;
4157 
4158   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_vh:
4159     ID = Intrinsic::hexagon_S2_lsr_r_vh; break;
4160 
4161   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_vh:
4162     ID = Intrinsic::hexagon_S2_lsl_r_vh; break;
4163 
4164   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_vw:
4165     ID = Intrinsic::hexagon_S2_asr_i_vw; break;
4166 
4167   case Hexagon::BI__builtin_HEXAGON_S2_asr_i_svw_trun:
4168     ID = Intrinsic::hexagon_S2_asr_i_svw_trun; break;
4169 
4170   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_svw_trun:
4171     ID = Intrinsic::hexagon_S2_asr_r_svw_trun; break;
4172 
4173   case Hexagon::BI__builtin_HEXAGON_S2_lsr_i_vw:
4174     ID = Intrinsic::hexagon_S2_lsr_i_vw; break;
4175 
4176   case Hexagon::BI__builtin_HEXAGON_S2_asl_i_vw:
4177     ID = Intrinsic::hexagon_S2_asl_i_vw; break;
4178 
4179   case Hexagon::BI__builtin_HEXAGON_S2_asr_r_vw:
4180     ID = Intrinsic::hexagon_S2_asr_r_vw; break;
4181 
4182   case Hexagon::BI__builtin_HEXAGON_S2_asl_r_vw:
4183     ID = Intrinsic::hexagon_S2_asl_r_vw; break;
4184 
4185   case Hexagon::BI__builtin_HEXAGON_S2_lsr_r_vw:
4186     ID = Intrinsic::hexagon_S2_lsr_r_vw; break;
4187 
4188   case Hexagon::BI__builtin_HEXAGON_S2_lsl_r_vw:
4189     ID = Intrinsic::hexagon_S2_lsl_r_vw; break;
4190 
4191   case Hexagon::BI__builtin_HEXAGON_S2_vrndpackwh:
4192     ID = Intrinsic::hexagon_S2_vrndpackwh; break;
4193 
4194   case Hexagon::BI__builtin_HEXAGON_S2_vrndpackwhs:
4195     ID = Intrinsic::hexagon_S2_vrndpackwhs; break;
4196 
4197   case Hexagon::BI__builtin_HEXAGON_S2_vsxtbh:
4198     ID = Intrinsic::hexagon_S2_vsxtbh; break;
4199 
4200   case Hexagon::BI__builtin_HEXAGON_S2_vzxtbh:
4201     ID = Intrinsic::hexagon_S2_vzxtbh; break;
4202 
4203   case Hexagon::BI__builtin_HEXAGON_S2_vsathub:
4204     ID = Intrinsic::hexagon_S2_vsathub; break;
4205 
4206   case Hexagon::BI__builtin_HEXAGON_S2_svsathub:
4207     ID = Intrinsic::hexagon_S2_svsathub; break;
4208 
4209   case Hexagon::BI__builtin_HEXAGON_S2_svsathb:
4210     ID = Intrinsic::hexagon_S2_svsathb; break;
4211 
4212   case Hexagon::BI__builtin_HEXAGON_S2_vsathb:
4213     ID = Intrinsic::hexagon_S2_vsathb; break;
4214 
4215   case Hexagon::BI__builtin_HEXAGON_S2_vtrunohb:
4216     ID = Intrinsic::hexagon_S2_vtrunohb; break;
4217 
4218   case Hexagon::BI__builtin_HEXAGON_S2_vtrunewh:
4219     ID = Intrinsic::hexagon_S2_vtrunewh; break;
4220 
4221   case Hexagon::BI__builtin_HEXAGON_S2_vtrunowh:
4222     ID = Intrinsic::hexagon_S2_vtrunowh; break;
4223 
4224   case Hexagon::BI__builtin_HEXAGON_S2_vtrunehb:
4225     ID = Intrinsic::hexagon_S2_vtrunehb; break;
4226 
4227   case Hexagon::BI__builtin_HEXAGON_S2_vsxthw:
4228     ID = Intrinsic::hexagon_S2_vsxthw; break;
4229 
4230   case Hexagon::BI__builtin_HEXAGON_S2_vzxthw:
4231     ID = Intrinsic::hexagon_S2_vzxthw; break;
4232 
4233   case Hexagon::BI__builtin_HEXAGON_S2_vsatwh:
4234     ID = Intrinsic::hexagon_S2_vsatwh; break;
4235 
4236   case Hexagon::BI__builtin_HEXAGON_S2_vsatwuh:
4237     ID = Intrinsic::hexagon_S2_vsatwuh; break;
4238 
4239   case Hexagon::BI__builtin_HEXAGON_S2_packhl:
4240     ID = Intrinsic::hexagon_S2_packhl; break;
4241 
4242   case Hexagon::BI__builtin_HEXAGON_A2_swiz:
4243     ID = Intrinsic::hexagon_A2_swiz; break;
4244 
4245   case Hexagon::BI__builtin_HEXAGON_S2_vsathub_nopack:
4246     ID = Intrinsic::hexagon_S2_vsathub_nopack; break;
4247 
4248   case Hexagon::BI__builtin_HEXAGON_S2_vsathb_nopack:
4249     ID = Intrinsic::hexagon_S2_vsathb_nopack; break;
4250 
4251   case Hexagon::BI__builtin_HEXAGON_S2_vsatwh_nopack:
4252     ID = Intrinsic::hexagon_S2_vsatwh_nopack; break;
4253 
4254   case Hexagon::BI__builtin_HEXAGON_S2_vsatwuh_nopack:
4255     ID = Intrinsic::hexagon_S2_vsatwuh_nopack; break;
4256 
4257   case Hexagon::BI__builtin_HEXAGON_S2_shuffob:
4258     ID = Intrinsic::hexagon_S2_shuffob; break;
4259 
4260   case Hexagon::BI__builtin_HEXAGON_S2_shuffeb:
4261     ID = Intrinsic::hexagon_S2_shuffeb; break;
4262 
4263   case Hexagon::BI__builtin_HEXAGON_S2_shuffoh:
4264     ID = Intrinsic::hexagon_S2_shuffoh; break;
4265 
4266   case Hexagon::BI__builtin_HEXAGON_S2_shuffeh:
4267     ID = Intrinsic::hexagon_S2_shuffeh; break;
4268 
4269   case Hexagon::BI__builtin_HEXAGON_S2_parityp:
4270     ID = Intrinsic::hexagon_S2_parityp; break;
4271 
4272   case Hexagon::BI__builtin_HEXAGON_S2_lfsp:
4273     ID = Intrinsic::hexagon_S2_lfsp; break;
4274 
4275   case Hexagon::BI__builtin_HEXAGON_S2_clbnorm:
4276     ID = Intrinsic::hexagon_S2_clbnorm; break;
4277 
4278   case Hexagon::BI__builtin_HEXAGON_S2_clb:
4279     ID = Intrinsic::hexagon_S2_clb; break;
4280 
4281   case Hexagon::BI__builtin_HEXAGON_S2_cl0:
4282     ID = Intrinsic::hexagon_S2_cl0; break;
4283 
4284   case Hexagon::BI__builtin_HEXAGON_S2_cl1:
4285     ID = Intrinsic::hexagon_S2_cl1; break;
4286 
4287   case Hexagon::BI__builtin_HEXAGON_S2_clbp:
4288     ID = Intrinsic::hexagon_S2_clbp; break;
4289 
4290   case Hexagon::BI__builtin_HEXAGON_S2_cl0p:
4291     ID = Intrinsic::hexagon_S2_cl0p; break;
4292 
4293   case Hexagon::BI__builtin_HEXAGON_S2_cl1p:
4294     ID = Intrinsic::hexagon_S2_cl1p; break;
4295 
4296   case Hexagon::BI__builtin_HEXAGON_S2_brev:
4297     ID = Intrinsic::hexagon_S2_brev; break;
4298 
4299   case Hexagon::BI__builtin_HEXAGON_S2_ct0:
4300     ID = Intrinsic::hexagon_S2_ct0; break;
4301 
4302   case Hexagon::BI__builtin_HEXAGON_S2_ct1:
4303     ID = Intrinsic::hexagon_S2_ct1; break;
4304 
4305   case Hexagon::BI__builtin_HEXAGON_S2_interleave:
4306     ID = Intrinsic::hexagon_S2_interleave; break;
4307 
4308   case Hexagon::BI__builtin_HEXAGON_S2_deinterleave:
4309     ID = Intrinsic::hexagon_S2_deinterleave; break;
4310 
4311   case Hexagon::BI__builtin_SI_to_SXTHI_asrh:
4312     ID = Intrinsic::hexagon_SI_to_SXTHI_asrh; break;
4313 
4314   case Hexagon::BI__builtin_HEXAGON_A4_orn:
4315     ID = Intrinsic::hexagon_A4_orn; break;
4316 
4317   case Hexagon::BI__builtin_HEXAGON_A4_andn:
4318     ID = Intrinsic::hexagon_A4_andn; break;
4319 
4320   case Hexagon::BI__builtin_HEXAGON_A4_ornp:
4321     ID = Intrinsic::hexagon_A4_ornp; break;
4322 
4323   case Hexagon::BI__builtin_HEXAGON_A4_andnp:
4324     ID = Intrinsic::hexagon_A4_andnp; break;
4325 
4326   case Hexagon::BI__builtin_HEXAGON_A4_combineir:
4327     ID = Intrinsic::hexagon_A4_combineir; break;
4328 
4329   case Hexagon::BI__builtin_HEXAGON_A4_combineri:
4330     ID = Intrinsic::hexagon_A4_combineri; break;
4331 
4332   case Hexagon::BI__builtin_HEXAGON_C4_cmpneqi:
4333     ID = Intrinsic::hexagon_C4_cmpneqi; break;
4334 
4335   case Hexagon::BI__builtin_HEXAGON_C4_cmpneq:
4336     ID = Intrinsic::hexagon_C4_cmpneq; break;
4337 
4338   case Hexagon::BI__builtin_HEXAGON_C4_cmpltei:
4339     ID = Intrinsic::hexagon_C4_cmpltei; break;
4340 
4341   case Hexagon::BI__builtin_HEXAGON_C4_cmplte:
4342     ID = Intrinsic::hexagon_C4_cmplte; break;
4343 
4344   case Hexagon::BI__builtin_HEXAGON_C4_cmplteui:
4345     ID = Intrinsic::hexagon_C4_cmplteui; break;
4346 
4347   case Hexagon::BI__builtin_HEXAGON_C4_cmplteu:
4348     ID = Intrinsic::hexagon_C4_cmplteu; break;
4349 
4350   case Hexagon::BI__builtin_HEXAGON_A4_rcmpneq:
4351     ID = Intrinsic::hexagon_A4_rcmpneq; break;
4352 
4353   case Hexagon::BI__builtin_HEXAGON_A4_rcmpneqi:
4354     ID = Intrinsic::hexagon_A4_rcmpneqi; break;
4355 
4356   case Hexagon::BI__builtin_HEXAGON_A4_rcmpeq:
4357     ID = Intrinsic::hexagon_A4_rcmpeq; break;
4358 
4359   case Hexagon::BI__builtin_HEXAGON_A4_rcmpeqi:
4360     ID = Intrinsic::hexagon_A4_rcmpeqi; break;
4361 
4362   case Hexagon::BI__builtin_HEXAGON_C4_fastcorner9:
4363     ID = Intrinsic::hexagon_C4_fastcorner9; break;
4364 
4365   case Hexagon::BI__builtin_HEXAGON_C4_fastcorner9_not:
4366     ID = Intrinsic::hexagon_C4_fastcorner9_not; break;
4367 
4368   case Hexagon::BI__builtin_HEXAGON_C4_and_andn:
4369     ID = Intrinsic::hexagon_C4_and_andn; break;
4370 
4371   case Hexagon::BI__builtin_HEXAGON_C4_and_and:
4372     ID = Intrinsic::hexagon_C4_and_and; break;
4373 
4374   case Hexagon::BI__builtin_HEXAGON_C4_and_orn:
4375     ID = Intrinsic::hexagon_C4_and_orn; break;
4376 
4377   case Hexagon::BI__builtin_HEXAGON_C4_and_or:
4378     ID = Intrinsic::hexagon_C4_and_or; break;
4379 
4380   case Hexagon::BI__builtin_HEXAGON_C4_or_andn:
4381     ID = Intrinsic::hexagon_C4_or_andn; break;
4382 
4383   case Hexagon::BI__builtin_HEXAGON_C4_or_and:
4384     ID = Intrinsic::hexagon_C4_or_and; break;
4385 
4386   case Hexagon::BI__builtin_HEXAGON_C4_or_orn:
4387     ID = Intrinsic::hexagon_C4_or_orn; break;
4388 
4389   case Hexagon::BI__builtin_HEXAGON_C4_or_or:
4390     ID = Intrinsic::hexagon_C4_or_or; break;
4391 
4392   case Hexagon::BI__builtin_HEXAGON_S4_addaddi:
4393     ID = Intrinsic::hexagon_S4_addaddi; break;
4394 
4395   case Hexagon::BI__builtin_HEXAGON_S4_subaddi:
4396     ID = Intrinsic::hexagon_S4_subaddi; break;
4397 
4398   case Hexagon::BI__builtin_HEXAGON_M4_xor_xacc:
4399     ID = Intrinsic::hexagon_M4_xor_xacc; break;
4400 
4401   case Hexagon::BI__builtin_HEXAGON_M4_and_and:
4402     ID = Intrinsic::hexagon_M4_and_and; break;
4403 
4404   case Hexagon::BI__builtin_HEXAGON_M4_and_or:
4405     ID = Intrinsic::hexagon_M4_and_or; break;
4406 
4407   case Hexagon::BI__builtin_HEXAGON_M4_and_xor:
4408     ID = Intrinsic::hexagon_M4_and_xor; break;
4409 
4410   case Hexagon::BI__builtin_HEXAGON_M4_and_andn:
4411     ID = Intrinsic::hexagon_M4_and_andn; break;
4412 
4413   case Hexagon::BI__builtin_HEXAGON_M4_xor_and:
4414     ID = Intrinsic::hexagon_M4_xor_and; break;
4415 
4416   case Hexagon::BI__builtin_HEXAGON_M4_xor_or:
4417     ID = Intrinsic::hexagon_M4_xor_or; break;
4418 
4419   case Hexagon::BI__builtin_HEXAGON_M4_xor_andn:
4420     ID = Intrinsic::hexagon_M4_xor_andn; break;
4421 
4422   case Hexagon::BI__builtin_HEXAGON_M4_or_and:
4423     ID = Intrinsic::hexagon_M4_or_and; break;
4424 
4425   case Hexagon::BI__builtin_HEXAGON_M4_or_or:
4426     ID = Intrinsic::hexagon_M4_or_or; break;
4427 
4428   case Hexagon::BI__builtin_HEXAGON_M4_or_xor:
4429     ID = Intrinsic::hexagon_M4_or_xor; break;
4430 
4431   case Hexagon::BI__builtin_HEXAGON_M4_or_andn:
4432     ID = Intrinsic::hexagon_M4_or_andn; break;
4433 
4434   case Hexagon::BI__builtin_HEXAGON_S4_or_andix:
4435     ID = Intrinsic::hexagon_S4_or_andix; break;
4436 
4437   case Hexagon::BI__builtin_HEXAGON_S4_or_andi:
4438     ID = Intrinsic::hexagon_S4_or_andi; break;
4439 
4440   case Hexagon::BI__builtin_HEXAGON_S4_or_ori:
4441     ID = Intrinsic::hexagon_S4_or_ori; break;
4442 
4443   case Hexagon::BI__builtin_HEXAGON_A4_modwrapu:
4444     ID = Intrinsic::hexagon_A4_modwrapu; break;
4445 
4446   case Hexagon::BI__builtin_HEXAGON_A4_cround_rr:
4447     ID = Intrinsic::hexagon_A4_cround_rr; break;
4448 
4449   case Hexagon::BI__builtin_HEXAGON_A4_round_ri:
4450     ID = Intrinsic::hexagon_A4_round_ri; break;
4451 
4452   case Hexagon::BI__builtin_HEXAGON_A4_round_rr:
4453     ID = Intrinsic::hexagon_A4_round_rr; break;
4454 
4455   case Hexagon::BI__builtin_HEXAGON_A4_round_ri_sat:
4456     ID = Intrinsic::hexagon_A4_round_ri_sat; break;
4457 
4458   case Hexagon::BI__builtin_HEXAGON_A4_round_rr_sat:
4459     ID = Intrinsic::hexagon_A4_round_rr_sat; break;
4460 
4461   }
4462 
4463   llvm::Function *F = CGM.getIntrinsic(ID);
4464   return Builder.CreateCall(F, Ops, "");
4465 }
4466 
4467 Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID,
4468                                            const CallExpr *E) {
4469   SmallVector<Value*, 4> Ops;
4470 
4471   for (unsigned i = 0, e = E->getNumArgs(); i != e; i++)
4472     Ops.push_back(EmitScalarExpr(E->getArg(i)));
4473 
4474   Intrinsic::ID ID = Intrinsic::not_intrinsic;
4475 
4476   switch (BuiltinID) {
4477   default: return 0;
4478 
4479   // vec_ld, vec_lvsl, vec_lvsr
4480   case PPC::BI__builtin_altivec_lvx:
4481   case PPC::BI__builtin_altivec_lvxl:
4482   case PPC::BI__builtin_altivec_lvebx:
4483   case PPC::BI__builtin_altivec_lvehx:
4484   case PPC::BI__builtin_altivec_lvewx:
4485   case PPC::BI__builtin_altivec_lvsl:
4486   case PPC::BI__builtin_altivec_lvsr:
4487   {
4488     Ops[1] = Builder.CreateBitCast(Ops[1], Int8PtrTy);
4489 
4490     Ops[0] = Builder.CreateGEP(Ops[1], Ops[0]);
4491     Ops.pop_back();
4492 
4493     switch (BuiltinID) {
4494     default: llvm_unreachable("Unsupported ld/lvsl/lvsr intrinsic!");
4495     case PPC::BI__builtin_altivec_lvx:
4496       ID = Intrinsic::ppc_altivec_lvx;
4497       break;
4498     case PPC::BI__builtin_altivec_lvxl:
4499       ID = Intrinsic::ppc_altivec_lvxl;
4500       break;
4501     case PPC::BI__builtin_altivec_lvebx:
4502       ID = Intrinsic::ppc_altivec_lvebx;
4503       break;
4504     case PPC::BI__builtin_altivec_lvehx:
4505       ID = Intrinsic::ppc_altivec_lvehx;
4506       break;
4507     case PPC::BI__builtin_altivec_lvewx:
4508       ID = Intrinsic::ppc_altivec_lvewx;
4509       break;
4510     case PPC::BI__builtin_altivec_lvsl:
4511       ID = Intrinsic::ppc_altivec_lvsl;
4512       break;
4513     case PPC::BI__builtin_altivec_lvsr:
4514       ID = Intrinsic::ppc_altivec_lvsr;
4515       break;
4516     }
4517     llvm::Function *F = CGM.getIntrinsic(ID);
4518     return Builder.CreateCall(F, Ops, "");
4519   }
4520 
4521   // vec_st
4522   case PPC::BI__builtin_altivec_stvx:
4523   case PPC::BI__builtin_altivec_stvxl:
4524   case PPC::BI__builtin_altivec_stvebx:
4525   case PPC::BI__builtin_altivec_stvehx:
4526   case PPC::BI__builtin_altivec_stvewx:
4527   {
4528     Ops[2] = Builder.CreateBitCast(Ops[2], Int8PtrTy);
4529     Ops[1] = Builder.CreateGEP(Ops[2], Ops[1]);
4530     Ops.pop_back();
4531 
4532     switch (BuiltinID) {
4533     default: llvm_unreachable("Unsupported st intrinsic!");
4534     case PPC::BI__builtin_altivec_stvx:
4535       ID = Intrinsic::ppc_altivec_stvx;
4536       break;
4537     case PPC::BI__builtin_altivec_stvxl:
4538       ID = Intrinsic::ppc_altivec_stvxl;
4539       break;
4540     case PPC::BI__builtin_altivec_stvebx:
4541       ID = Intrinsic::ppc_altivec_stvebx;
4542       break;
4543     case PPC::BI__builtin_altivec_stvehx:
4544       ID = Intrinsic::ppc_altivec_stvehx;
4545       break;
4546     case PPC::BI__builtin_altivec_stvewx:
4547       ID = Intrinsic::ppc_altivec_stvewx;
4548       break;
4549     }
4550     llvm::Function *F = CGM.getIntrinsic(ID);
4551     return Builder.CreateCall(F, Ops, "");
4552   }
4553   }
4554 }
4555