xref: /llvm-project-15.0.7/llvm/lib/IR/Core.cpp (revision 16dcbb53) 
1 //===-- Core.cpp ----------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements the common infrastructure (including the C bindings)
10 // for libLLVMCore.a, which implements the LLVM intermediate representation.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm-c/Core.h"
15 #include "llvm/IR/Attributes.h"
16 #include "llvm/IR/BasicBlock.h"
17 #include "llvm/IR/Constants.h"
18 #include "llvm/IR/DebugInfoMetadata.h"
19 #include "llvm/IR/DerivedTypes.h"
20 #include "llvm/IR/DiagnosticInfo.h"
21 #include "llvm/IR/DiagnosticPrinter.h"
22 #include "llvm/IR/GlobalAlias.h"
23 #include "llvm/IR/GlobalVariable.h"
24 #include "llvm/IR/IRBuilder.h"
25 #include "llvm/IR/InlineAsm.h"
26 #include "llvm/IR/IntrinsicInst.h"
27 #include "llvm/IR/LLVMContext.h"
28 #include "llvm/IR/LegacyPassManager.h"
29 #include "llvm/IR/Module.h"
30 #include "llvm/InitializePasses.h"
31 #include "llvm/PassRegistry.h"
32 #include "llvm/Support/Debug.h"
33 #include "llvm/Support/ErrorHandling.h"
34 #include "llvm/Support/FileSystem.h"
35 #include "llvm/Support/ManagedStatic.h"
36 #include "llvm/Support/MemoryBuffer.h"
37 #include "llvm/Support/Threading.h"
38 #include "llvm/Support/raw_ostream.h"
39 #include <cassert>
40 #include <cstdlib>
41 #include <cstring>
42 #include <system_error>
43 
44 using namespace llvm;
45 
46 #define DEBUG_TYPE "ir"
47 
48 void llvm::initializeCore(PassRegistry &Registry) {
49   initializeDominatorTreeWrapperPassPass(Registry);
50   initializePrintModulePassWrapperPass(Registry);
51   initializePrintFunctionPassWrapperPass(Registry);
52   initializeSafepointIRVerifierPass(Registry);
53   initializeVerifierLegacyPassPass(Registry);
54 }
55 
56 void LLVMInitializeCore(LLVMPassRegistryRef R) {
57   initializeCore(*unwrap(R));
58 }
59 
60 void LLVMShutdown() {
61   llvm_shutdown();
62 }
63 
64 /*===-- Error handling ----------------------------------------------------===*/
65 
66 char *LLVMCreateMessage(const char *Message) {
67   return strdup(Message);
68 }
69 
70 void LLVMDisposeMessage(char *Message) {
71   free(Message);
72 }
73 
74 
75 /*===-- Operations on contexts --------------------------------------------===*/
76 
77 static ManagedStatic<LLVMContext> GlobalContext;
78 
79 LLVMContextRef LLVMContextCreate() {
80   return wrap(new LLVMContext());
81 }
82 
83 LLVMContextRef LLVMGetGlobalContext() { return wrap(&*GlobalContext); }
84 
85 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
86                                      LLVMDiagnosticHandler Handler,
87                                      void *DiagnosticContext) {
88   unwrap(C)->setDiagnosticHandlerCallBack(
89       LLVM_EXTENSION reinterpret_cast<DiagnosticHandler::DiagnosticHandlerTy>(
90           Handler),
91       DiagnosticContext);
92 }
93 
94 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C) {
95   return LLVM_EXTENSION reinterpret_cast<LLVMDiagnosticHandler>(
96       unwrap(C)->getDiagnosticHandlerCallBack());
97 }
98 
99 void *LLVMContextGetDiagnosticContext(LLVMContextRef C) {
100   return unwrap(C)->getDiagnosticContext();
101 }
102 
103 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
104                                  void *OpaqueHandle) {
105   auto YieldCallback =
106     LLVM_EXTENSION reinterpret_cast<LLVMContext::YieldCallbackTy>(Callback);
107   unwrap(C)->setYieldCallback(YieldCallback, OpaqueHandle);
108 }
109 
110 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C) {
111   return unwrap(C)->shouldDiscardValueNames();
112 }
113 
114 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard) {
115   unwrap(C)->setDiscardValueNames(Discard);
116 }
117 
118 void LLVMContextDispose(LLVMContextRef C) {
119   delete unwrap(C);
120 }
121 
122 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
123                                   unsigned SLen) {
124   return unwrap(C)->getMDKindID(StringRef(Name, SLen));
125 }
126 
127 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen) {
128   return LLVMGetMDKindIDInContext(LLVMGetGlobalContext(), Name, SLen);
129 }
130 
131 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen) {
132   return Attribute::getAttrKindFromName(StringRef(Name, SLen));
133 }
134 
135 unsigned LLVMGetLastEnumAttributeKind(void) {
136   return Attribute::AttrKind::EndAttrKinds;
137 }
138 
139 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
140                                          uint64_t Val) {
141   auto &Ctx = *unwrap(C);
142   auto AttrKind = (Attribute::AttrKind)KindID;
143 
144   if (AttrKind == Attribute::AttrKind::ByVal) {
145     // After r362128, byval attributes need to have a type attribute. Provide a
146     // NULL one until a proper API is added for this.
147     return wrap(Attribute::getWithByValType(Ctx, nullptr));
148   }
149 
150   if (AttrKind == Attribute::AttrKind::StructRet) {
151     // Same as byval.
152     return wrap(Attribute::getWithStructRetType(Ctx, nullptr));
153   }
154 
155   return wrap(Attribute::get(Ctx, AttrKind, Val));
156 }
157 
158 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A) {
159   return unwrap(A).getKindAsEnum();
160 }
161 
162 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A) {
163   auto Attr = unwrap(A);
164   if (Attr.isEnumAttribute())
165     return 0;
166   return Attr.getValueAsInt();
167 }
168 
169 LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
170                                          LLVMTypeRef type_ref) {
171   auto &Ctx = *unwrap(C);
172   auto AttrKind = (Attribute::AttrKind)KindID;
173   return wrap(Attribute::get(Ctx, AttrKind, unwrap(type_ref)));
174 }
175 
176 LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A) {
177   auto Attr = unwrap(A);
178   return wrap(Attr.getValueAsType());
179 }
180 
181 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
182                                            const char *K, unsigned KLength,
183                                            const char *V, unsigned VLength) {
184   return wrap(Attribute::get(*unwrap(C), StringRef(K, KLength),
185                              StringRef(V, VLength)));
186 }
187 
188 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A,
189                                        unsigned *Length) {
190   auto S = unwrap(A).getKindAsString();
191   *Length = S.size();
192   return S.data();
193 }
194 
195 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A,
196                                         unsigned *Length) {
197   auto S = unwrap(A).getValueAsString();
198   *Length = S.size();
199   return S.data();
200 }
201 
202 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A) {
203   auto Attr = unwrap(A);
204   return Attr.isEnumAttribute() || Attr.isIntAttribute();
205 }
206 
207 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A) {
208   return unwrap(A).isStringAttribute();
209 }
210 
211 LLVMBool LLVMIsTypeAttribute(LLVMAttributeRef A) {
212   return unwrap(A).isTypeAttribute();
213 }
214 
215 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI) {
216   std::string MsgStorage;
217   raw_string_ostream Stream(MsgStorage);
218   DiagnosticPrinterRawOStream DP(Stream);
219 
220   unwrap(DI)->print(DP);
221   Stream.flush();
222 
223   return LLVMCreateMessage(MsgStorage.c_str());
224 }
225 
226 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI) {
227     LLVMDiagnosticSeverity severity;
228 
229     switch(unwrap(DI)->getSeverity()) {
230     default:
231       severity = LLVMDSError;
232       break;
233     case DS_Warning:
234       severity = LLVMDSWarning;
235       break;
236     case DS_Remark:
237       severity = LLVMDSRemark;
238       break;
239     case DS_Note:
240       severity = LLVMDSNote;
241       break;
242     }
243 
244     return severity;
245 }
246 
247 /*===-- Operations on modules ---------------------------------------------===*/
248 
249 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID) {
250   return wrap(new Module(ModuleID, *GlobalContext));
251 }
252 
253 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
254                                                 LLVMContextRef C) {
255   return wrap(new Module(ModuleID, *unwrap(C)));
256 }
257 
258 void LLVMDisposeModule(LLVMModuleRef M) {
259   delete unwrap(M);
260 }
261 
262 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len) {
263   auto &Str = unwrap(M)->getModuleIdentifier();
264   *Len = Str.length();
265   return Str.c_str();
266 }
267 
268 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len) {
269   unwrap(M)->setModuleIdentifier(StringRef(Ident, Len));
270 }
271 
272 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len) {
273   auto &Str = unwrap(M)->getSourceFileName();
274   *Len = Str.length();
275   return Str.c_str();
276 }
277 
278 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len) {
279   unwrap(M)->setSourceFileName(StringRef(Name, Len));
280 }
281 
282 /*--.. Data layout .........................................................--*/
283 const char *LLVMGetDataLayoutStr(LLVMModuleRef M) {
284   return unwrap(M)->getDataLayoutStr().c_str();
285 }
286 
287 const char *LLVMGetDataLayout(LLVMModuleRef M) {
288   return LLVMGetDataLayoutStr(M);
289 }
290 
291 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr) {
292   unwrap(M)->setDataLayout(DataLayoutStr);
293 }
294 
295 /*--.. Target triple .......................................................--*/
296 const char * LLVMGetTarget(LLVMModuleRef M) {
297   return unwrap(M)->getTargetTriple().c_str();
298 }
299 
300 void LLVMSetTarget(LLVMModuleRef M, const char *Triple) {
301   unwrap(M)->setTargetTriple(Triple);
302 }
303 
304 /*--.. Module flags ........................................................--*/
305 struct LLVMOpaqueModuleFlagEntry {
306   LLVMModuleFlagBehavior Behavior;
307   const char *Key;
308   size_t KeyLen;
309   LLVMMetadataRef Metadata;
310 };
311 
312 static Module::ModFlagBehavior
313 map_to_llvmModFlagBehavior(LLVMModuleFlagBehavior Behavior) {
314   switch (Behavior) {
315   case LLVMModuleFlagBehaviorError:
316     return Module::ModFlagBehavior::Error;
317   case LLVMModuleFlagBehaviorWarning:
318     return Module::ModFlagBehavior::Warning;
319   case LLVMModuleFlagBehaviorRequire:
320     return Module::ModFlagBehavior::Require;
321   case LLVMModuleFlagBehaviorOverride:
322     return Module::ModFlagBehavior::Override;
323   case LLVMModuleFlagBehaviorAppend:
324     return Module::ModFlagBehavior::Append;
325   case LLVMModuleFlagBehaviorAppendUnique:
326     return Module::ModFlagBehavior::AppendUnique;
327   }
328   llvm_unreachable("Unknown LLVMModuleFlagBehavior");
329 }
330 
331 static LLVMModuleFlagBehavior
332 map_from_llvmModFlagBehavior(Module::ModFlagBehavior Behavior) {
333   switch (Behavior) {
334   case Module::ModFlagBehavior::Error:
335     return LLVMModuleFlagBehaviorError;
336   case Module::ModFlagBehavior::Warning:
337     return LLVMModuleFlagBehaviorWarning;
338   case Module::ModFlagBehavior::Require:
339     return LLVMModuleFlagBehaviorRequire;
340   case Module::ModFlagBehavior::Override:
341     return LLVMModuleFlagBehaviorOverride;
342   case Module::ModFlagBehavior::Append:
343     return LLVMModuleFlagBehaviorAppend;
344   case Module::ModFlagBehavior::AppendUnique:
345     return LLVMModuleFlagBehaviorAppendUnique;
346   default:
347     llvm_unreachable("Unhandled Flag Behavior");
348   }
349 }
350 
351 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len) {
352   SmallVector<Module::ModuleFlagEntry, 8> MFEs;
353   unwrap(M)->getModuleFlagsMetadata(MFEs);
354 
355   LLVMOpaqueModuleFlagEntry *Result = static_cast<LLVMOpaqueModuleFlagEntry *>(
356       safe_malloc(MFEs.size() * sizeof(LLVMOpaqueModuleFlagEntry)));
357   for (unsigned i = 0; i < MFEs.size(); ++i) {
358     const auto &ModuleFlag = MFEs[i];
359     Result[i].Behavior = map_from_llvmModFlagBehavior(ModuleFlag.Behavior);
360     Result[i].Key = ModuleFlag.Key->getString().data();
361     Result[i].KeyLen = ModuleFlag.Key->getString().size();
362     Result[i].Metadata = wrap(ModuleFlag.Val);
363   }
364   *Len = MFEs.size();
365   return Result;
366 }
367 
368 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries) {
369   free(Entries);
370 }
371 
372 LLVMModuleFlagBehavior
373 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
374                                      unsigned Index) {
375   LLVMOpaqueModuleFlagEntry MFE =
376       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
377   return MFE.Behavior;
378 }
379 
380 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
381                                         unsigned Index, size_t *Len) {
382   LLVMOpaqueModuleFlagEntry MFE =
383       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
384   *Len = MFE.KeyLen;
385   return MFE.Key;
386 }
387 
388 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
389                                                  unsigned Index) {
390   LLVMOpaqueModuleFlagEntry MFE =
391       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
392   return MFE.Metadata;
393 }
394 
395 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
396                                   const char *Key, size_t KeyLen) {
397   return wrap(unwrap(M)->getModuleFlag({Key, KeyLen}));
398 }
399 
400 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
401                        const char *Key, size_t KeyLen,
402                        LLVMMetadataRef Val) {
403   unwrap(M)->addModuleFlag(map_to_llvmModFlagBehavior(Behavior),
404                            {Key, KeyLen}, unwrap(Val));
405 }
406 
407 /*--.. Printing modules ....................................................--*/
408 
409 void LLVMDumpModule(LLVMModuleRef M) {
410   unwrap(M)->print(errs(), nullptr,
411                    /*ShouldPreserveUseListOrder=*/false, /*IsForDebug=*/true);
412 }
413 
414 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
415                                char **ErrorMessage) {
416   std::error_code EC;
417   raw_fd_ostream dest(Filename, EC, sys::fs::OF_TextWithCRLF);
418   if (EC) {
419     *ErrorMessage = strdup(EC.message().c_str());
420     return true;
421   }
422 
423   unwrap(M)->print(dest, nullptr);
424 
425   dest.close();
426 
427   if (dest.has_error()) {
428     std::string E = "Error printing to file: " + dest.error().message();
429     *ErrorMessage = strdup(E.c_str());
430     return true;
431   }
432 
433   return false;
434 }
435 
436 char *LLVMPrintModuleToString(LLVMModuleRef M) {
437   std::string buf;
438   raw_string_ostream os(buf);
439 
440   unwrap(M)->print(os, nullptr);
441   os.flush();
442 
443   return strdup(buf.c_str());
444 }
445 
446 /*--.. Operations on inline assembler ......................................--*/
447 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len) {
448   unwrap(M)->setModuleInlineAsm(StringRef(Asm, Len));
449 }
450 
451 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
452   unwrap(M)->setModuleInlineAsm(StringRef(Asm));
453 }
454 
455 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len) {
456   unwrap(M)->appendModuleInlineAsm(StringRef(Asm, Len));
457 }
458 
459 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len) {
460   auto &Str = unwrap(M)->getModuleInlineAsm();
461   *Len = Str.length();
462   return Str.c_str();
463 }
464 
465 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty, char *AsmString,
466                               size_t AsmStringSize, char *Constraints,
467                               size_t ConstraintsSize, LLVMBool HasSideEffects,
468                               LLVMBool IsAlignStack,
469                               LLVMInlineAsmDialect Dialect, LLVMBool CanThrow) {
470   InlineAsm::AsmDialect AD;
471   switch (Dialect) {
472   case LLVMInlineAsmDialectATT:
473     AD = InlineAsm::AD_ATT;
474     break;
475   case LLVMInlineAsmDialectIntel:
476     AD = InlineAsm::AD_Intel;
477     break;
478   }
479   return wrap(InlineAsm::get(unwrap<FunctionType>(Ty),
480                              StringRef(AsmString, AsmStringSize),
481                              StringRef(Constraints, ConstraintsSize),
482                              HasSideEffects, IsAlignStack, AD, CanThrow));
483 }
484 
485 /*--.. Operations on module contexts ......................................--*/
486 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M) {
487   return wrap(&unwrap(M)->getContext());
488 }
489 
490 
491 /*===-- Operations on types -----------------------------------------------===*/
492 
493 /*--.. Operations on all types (mostly) ....................................--*/
494 
495 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
496   switch (unwrap(Ty)->getTypeID()) {
497   case Type::VoidTyID:
498     return LLVMVoidTypeKind;
499   case Type::HalfTyID:
500     return LLVMHalfTypeKind;
501   case Type::BFloatTyID:
502     return LLVMBFloatTypeKind;
503   case Type::FloatTyID:
504     return LLVMFloatTypeKind;
505   case Type::DoubleTyID:
506     return LLVMDoubleTypeKind;
507   case Type::X86_FP80TyID:
508     return LLVMX86_FP80TypeKind;
509   case Type::FP128TyID:
510     return LLVMFP128TypeKind;
511   case Type::PPC_FP128TyID:
512     return LLVMPPC_FP128TypeKind;
513   case Type::LabelTyID:
514     return LLVMLabelTypeKind;
515   case Type::MetadataTyID:
516     return LLVMMetadataTypeKind;
517   case Type::IntegerTyID:
518     return LLVMIntegerTypeKind;
519   case Type::FunctionTyID:
520     return LLVMFunctionTypeKind;
521   case Type::StructTyID:
522     return LLVMStructTypeKind;
523   case Type::ArrayTyID:
524     return LLVMArrayTypeKind;
525   case Type::PointerTyID:
526     return LLVMPointerTypeKind;
527   case Type::FixedVectorTyID:
528     return LLVMVectorTypeKind;
529   case Type::X86_MMXTyID:
530     return LLVMX86_MMXTypeKind;
531   case Type::X86_AMXTyID:
532     return LLVMX86_AMXTypeKind;
533   case Type::TokenTyID:
534     return LLVMTokenTypeKind;
535   case Type::ScalableVectorTyID:
536     return LLVMScalableVectorTypeKind;
537   case Type::DXILPointerTyID:
538     llvm_unreachable("DXIL pointers are unsupported via the C API");
539   }
540   llvm_unreachable("Unhandled TypeID.");
541 }
542 
543 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty)
544 {
545     return unwrap(Ty)->isSized();
546 }
547 
548 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty) {
549   return wrap(&unwrap(Ty)->getContext());
550 }
551 
552 void LLVMDumpType(LLVMTypeRef Ty) {
553   return unwrap(Ty)->print(errs(), /*IsForDebug=*/true);
554 }
555 
556 char *LLVMPrintTypeToString(LLVMTypeRef Ty) {
557   std::string buf;
558   raw_string_ostream os(buf);
559 
560   if (unwrap(Ty))
561     unwrap(Ty)->print(os);
562   else
563     os << "Printing <null> Type";
564 
565   os.flush();
566 
567   return strdup(buf.c_str());
568 }
569 
570 /*--.. Operations on integer types .........................................--*/
571 
572 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C)  {
573   return (LLVMTypeRef) Type::getInt1Ty(*unwrap(C));
574 }
575 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C)  {
576   return (LLVMTypeRef) Type::getInt8Ty(*unwrap(C));
577 }
578 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C) {
579   return (LLVMTypeRef) Type::getInt16Ty(*unwrap(C));
580 }
581 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C) {
582   return (LLVMTypeRef) Type::getInt32Ty(*unwrap(C));
583 }
584 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C) {
585   return (LLVMTypeRef) Type::getInt64Ty(*unwrap(C));
586 }
587 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C) {
588   return (LLVMTypeRef) Type::getInt128Ty(*unwrap(C));
589 }
590 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits) {
591   return wrap(IntegerType::get(*unwrap(C), NumBits));
592 }
593 
594 LLVMTypeRef LLVMInt1Type(void)  {
595   return LLVMInt1TypeInContext(LLVMGetGlobalContext());
596 }
597 LLVMTypeRef LLVMInt8Type(void)  {
598   return LLVMInt8TypeInContext(LLVMGetGlobalContext());
599 }
600 LLVMTypeRef LLVMInt16Type(void) {
601   return LLVMInt16TypeInContext(LLVMGetGlobalContext());
602 }
603 LLVMTypeRef LLVMInt32Type(void) {
604   return LLVMInt32TypeInContext(LLVMGetGlobalContext());
605 }
606 LLVMTypeRef LLVMInt64Type(void) {
607   return LLVMInt64TypeInContext(LLVMGetGlobalContext());
608 }
609 LLVMTypeRef LLVMInt128Type(void) {
610   return LLVMInt128TypeInContext(LLVMGetGlobalContext());
611 }
612 LLVMTypeRef LLVMIntType(unsigned NumBits) {
613   return LLVMIntTypeInContext(LLVMGetGlobalContext(), NumBits);
614 }
615 
616 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy) {
617   return unwrap<IntegerType>(IntegerTy)->getBitWidth();
618 }
619 
620 /*--.. Operations on real types ............................................--*/
621 
622 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C) {
623   return (LLVMTypeRef) Type::getHalfTy(*unwrap(C));
624 }
625 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C) {
626   return (LLVMTypeRef) Type::getBFloatTy(*unwrap(C));
627 }
628 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C) {
629   return (LLVMTypeRef) Type::getFloatTy(*unwrap(C));
630 }
631 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C) {
632   return (LLVMTypeRef) Type::getDoubleTy(*unwrap(C));
633 }
634 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C) {
635   return (LLVMTypeRef) Type::getX86_FP80Ty(*unwrap(C));
636 }
637 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C) {
638   return (LLVMTypeRef) Type::getFP128Ty(*unwrap(C));
639 }
640 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C) {
641   return (LLVMTypeRef) Type::getPPC_FP128Ty(*unwrap(C));
642 }
643 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C) {
644   return (LLVMTypeRef) Type::getX86_MMXTy(*unwrap(C));
645 }
646 LLVMTypeRef LLVMX86AMXTypeInContext(LLVMContextRef C) {
647   return (LLVMTypeRef) Type::getX86_AMXTy(*unwrap(C));
648 }
649 
650 LLVMTypeRef LLVMHalfType(void) {
651   return LLVMHalfTypeInContext(LLVMGetGlobalContext());
652 }
653 LLVMTypeRef LLVMBFloatType(void) {
654   return LLVMBFloatTypeInContext(LLVMGetGlobalContext());
655 }
656 LLVMTypeRef LLVMFloatType(void) {
657   return LLVMFloatTypeInContext(LLVMGetGlobalContext());
658 }
659 LLVMTypeRef LLVMDoubleType(void) {
660   return LLVMDoubleTypeInContext(LLVMGetGlobalContext());
661 }
662 LLVMTypeRef LLVMX86FP80Type(void) {
663   return LLVMX86FP80TypeInContext(LLVMGetGlobalContext());
664 }
665 LLVMTypeRef LLVMFP128Type(void) {
666   return LLVMFP128TypeInContext(LLVMGetGlobalContext());
667 }
668 LLVMTypeRef LLVMPPCFP128Type(void) {
669   return LLVMPPCFP128TypeInContext(LLVMGetGlobalContext());
670 }
671 LLVMTypeRef LLVMX86MMXType(void) {
672   return LLVMX86MMXTypeInContext(LLVMGetGlobalContext());
673 }
674 LLVMTypeRef LLVMX86AMXType(void) {
675   return LLVMX86AMXTypeInContext(LLVMGetGlobalContext());
676 }
677 
678 /*--.. Operations on function types ........................................--*/
679 
680 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
681                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
682                              LLVMBool IsVarArg) {
683   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
684   return wrap(FunctionType::get(unwrap(ReturnType), Tys, IsVarArg != 0));
685 }
686 
687 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy) {
688   return unwrap<FunctionType>(FunctionTy)->isVarArg();
689 }
690 
691 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy) {
692   return wrap(unwrap<FunctionType>(FunctionTy)->getReturnType());
693 }
694 
695 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy) {
696   return unwrap<FunctionType>(FunctionTy)->getNumParams();
697 }
698 
699 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest) {
700   FunctionType *Ty = unwrap<FunctionType>(FunctionTy);
701   for (Type *T : Ty->params())
702     *Dest++ = wrap(T);
703 }
704 
705 /*--.. Operations on struct types ..........................................--*/
706 
707 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
708                            unsigned ElementCount, LLVMBool Packed) {
709   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
710   return wrap(StructType::get(*unwrap(C), Tys, Packed != 0));
711 }
712 
713 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes,
714                            unsigned ElementCount, LLVMBool Packed) {
715   return LLVMStructTypeInContext(LLVMGetGlobalContext(), ElementTypes,
716                                  ElementCount, Packed);
717 }
718 
719 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name)
720 {
721   return wrap(StructType::create(*unwrap(C), Name));
722 }
723 
724 const char *LLVMGetStructName(LLVMTypeRef Ty)
725 {
726   StructType *Type = unwrap<StructType>(Ty);
727   if (!Type->hasName())
728     return nullptr;
729   return Type->getName().data();
730 }
731 
732 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
733                        unsigned ElementCount, LLVMBool Packed) {
734   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
735   unwrap<StructType>(StructTy)->setBody(Tys, Packed != 0);
736 }
737 
738 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy) {
739   return unwrap<StructType>(StructTy)->getNumElements();
740 }
741 
742 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest) {
743   StructType *Ty = unwrap<StructType>(StructTy);
744   for (Type *T : Ty->elements())
745     *Dest++ = wrap(T);
746 }
747 
748 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i) {
749   StructType *Ty = unwrap<StructType>(StructTy);
750   return wrap(Ty->getTypeAtIndex(i));
751 }
752 
753 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy) {
754   return unwrap<StructType>(StructTy)->isPacked();
755 }
756 
757 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy) {
758   return unwrap<StructType>(StructTy)->isOpaque();
759 }
760 
761 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy) {
762   return unwrap<StructType>(StructTy)->isLiteral();
763 }
764 
765 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name) {
766   return wrap(StructType::getTypeByName(unwrap(M)->getContext(), Name));
767 }
768 
769 LLVMTypeRef LLVMGetTypeByName2(LLVMContextRef C, const char *Name) {
770   return wrap(StructType::getTypeByName(*unwrap(C), Name));
771 }
772 
773 /*--.. Operations on array, pointer, and vector types (sequence types) .....--*/
774 
775 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr) {
776     int i = 0;
777     for (auto *T : unwrap(Tp)->subtypes()) {
778         Arr[i] = wrap(T);
779         i++;
780     }
781 }
782 
783 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount) {
784   return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
785 }
786 
787 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace) {
788   return wrap(PointerType::get(unwrap(ElementType), AddressSpace));
789 }
790 
791 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount) {
792   return wrap(FixedVectorType::get(unwrap(ElementType), ElementCount));
793 }
794 
795 LLVMTypeRef LLVMScalableVectorType(LLVMTypeRef ElementType,
796                                    unsigned ElementCount) {
797   return wrap(ScalableVectorType::get(unwrap(ElementType), ElementCount));
798 }
799 
800 LLVMTypeRef LLVMGetElementType(LLVMTypeRef WrappedTy) {
801   auto *Ty = unwrap<Type>(WrappedTy);
802   if (auto *PTy = dyn_cast<PointerType>(Ty))
803     return wrap(PTy->getNonOpaquePointerElementType());
804   if (auto *ATy = dyn_cast<ArrayType>(Ty))
805     return wrap(ATy->getElementType());
806   return wrap(cast<VectorType>(Ty)->getElementType());
807 }
808 
809 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp) {
810     return unwrap(Tp)->getNumContainedTypes();
811 }
812 
813 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy) {
814   return unwrap<ArrayType>(ArrayTy)->getNumElements();
815 }
816 
817 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy) {
818   return unwrap<PointerType>(PointerTy)->getAddressSpace();
819 }
820 
821 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy) {
822   return unwrap<VectorType>(VectorTy)->getElementCount().getKnownMinValue();
823 }
824 
825 /*--.. Operations on other types ...........................................--*/
826 
827 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C)  {
828   return wrap(Type::getVoidTy(*unwrap(C)));
829 }
830 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C) {
831   return wrap(Type::getLabelTy(*unwrap(C)));
832 }
833 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C) {
834   return wrap(Type::getTokenTy(*unwrap(C)));
835 }
836 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C) {
837   return wrap(Type::getMetadataTy(*unwrap(C)));
838 }
839 
840 LLVMTypeRef LLVMVoidType(void)  {
841   return LLVMVoidTypeInContext(LLVMGetGlobalContext());
842 }
843 LLVMTypeRef LLVMLabelType(void) {
844   return LLVMLabelTypeInContext(LLVMGetGlobalContext());
845 }
846 
847 /*===-- Operations on values ----------------------------------------------===*/
848 
849 /*--.. Operations on all values ............................................--*/
850 
851 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val) {
852   return wrap(unwrap(Val)->getType());
853 }
854 
855 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val) {
856     switch(unwrap(Val)->getValueID()) {
857 #define LLVM_C_API 1
858 #define HANDLE_VALUE(Name) \
859   case Value::Name##Val: \
860     return LLVM##Name##ValueKind;
861 #include "llvm/IR/Value.def"
862   default:
863     return LLVMInstructionValueKind;
864   }
865 }
866 
867 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length) {
868   auto *V = unwrap(Val);
869   *Length = V->getName().size();
870   return V->getName().data();
871 }
872 
873 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen) {
874   unwrap(Val)->setName(StringRef(Name, NameLen));
875 }
876 
877 const char *LLVMGetValueName(LLVMValueRef Val) {
878   return unwrap(Val)->getName().data();
879 }
880 
881 void LLVMSetValueName(LLVMValueRef Val, const char *Name) {
882   unwrap(Val)->setName(Name);
883 }
884 
885 void LLVMDumpValue(LLVMValueRef Val) {
886   unwrap(Val)->print(errs(), /*IsForDebug=*/true);
887 }
888 
889 char* LLVMPrintValueToString(LLVMValueRef Val) {
890   std::string buf;
891   raw_string_ostream os(buf);
892 
893   if (unwrap(Val))
894     unwrap(Val)->print(os);
895   else
896     os << "Printing <null> Value";
897 
898   os.flush();
899 
900   return strdup(buf.c_str());
901 }
902 
903 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal) {
904   unwrap(OldVal)->replaceAllUsesWith(unwrap(NewVal));
905 }
906 
907 int LLVMHasMetadata(LLVMValueRef Inst) {
908   return unwrap<Instruction>(Inst)->hasMetadata();
909 }
910 
911 LLVMValueRef LLVMGetMetadata(LLVMValueRef Inst, unsigned KindID) {
912   auto *I = unwrap<Instruction>(Inst);
913   assert(I && "Expected instruction");
914   if (auto *MD = I->getMetadata(KindID))
915     return wrap(MetadataAsValue::get(I->getContext(), MD));
916   return nullptr;
917 }
918 
919 // MetadataAsValue uses a canonical format which strips the actual MDNode for
920 // MDNode with just a single constant value, storing just a ConstantAsMetadata
921 // This undoes this canonicalization, reconstructing the MDNode.
922 static MDNode *extractMDNode(MetadataAsValue *MAV) {
923   Metadata *MD = MAV->getMetadata();
924   assert((isa<MDNode>(MD) || isa<ConstantAsMetadata>(MD)) &&
925       "Expected a metadata node or a canonicalized constant");
926 
927   if (MDNode *N = dyn_cast<MDNode>(MD))
928     return N;
929 
930   return MDNode::get(MAV->getContext(), MD);
931 }
932 
933 void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef Val) {
934   MDNode *N = Val ? extractMDNode(unwrap<MetadataAsValue>(Val)) : nullptr;
935 
936   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
937 }
938 
939 struct LLVMOpaqueValueMetadataEntry {
940   unsigned Kind;
941   LLVMMetadataRef Metadata;
942 };
943 
944 using MetadataEntries = SmallVectorImpl<std::pair<unsigned, MDNode *>>;
945 static LLVMValueMetadataEntry *
946 llvm_getMetadata(size_t *NumEntries,
947                  llvm::function_ref<void(MetadataEntries &)> AccessMD) {
948   SmallVector<std::pair<unsigned, MDNode *>, 8> MVEs;
949   AccessMD(MVEs);
950 
951   LLVMOpaqueValueMetadataEntry *Result =
952   static_cast<LLVMOpaqueValueMetadataEntry *>(
953                                               safe_malloc(MVEs.size() * sizeof(LLVMOpaqueValueMetadataEntry)));
954   for (unsigned i = 0; i < MVEs.size(); ++i) {
955     const auto &ModuleFlag = MVEs[i];
956     Result[i].Kind = ModuleFlag.first;
957     Result[i].Metadata = wrap(ModuleFlag.second);
958   }
959   *NumEntries = MVEs.size();
960   return Result;
961 }
962 
963 LLVMValueMetadataEntry *
964 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Value,
965                                                size_t *NumEntries) {
966   return llvm_getMetadata(NumEntries, [&Value](MetadataEntries &Entries) {
967     Entries.clear();
968     unwrap<Instruction>(Value)->getAllMetadata(Entries);
969   });
970 }
971 
972 /*--.. Conversion functions ................................................--*/
973 
974 #define LLVM_DEFINE_VALUE_CAST(name)                                       \
975   LLVMValueRef LLVMIsA##name(LLVMValueRef Val) {                           \
976     return wrap(static_cast<Value*>(dyn_cast_or_null<name>(unwrap(Val)))); \
977   }
978 
979 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DEFINE_VALUE_CAST)
980 
981 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val) {
982   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
983     if (isa<MDNode>(MD->getMetadata()) ||
984         isa<ValueAsMetadata>(MD->getMetadata()))
985       return Val;
986   return nullptr;
987 }
988 
989 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val) {
990   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
991     if (isa<MDString>(MD->getMetadata()))
992       return Val;
993   return nullptr;
994 }
995 
996 /*--.. Operations on Uses ..................................................--*/
997 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val) {
998   Value *V = unwrap(Val);
999   Value::use_iterator I = V->use_begin();
1000   if (I == V->use_end())
1001     return nullptr;
1002   return wrap(&*I);
1003 }
1004 
1005 LLVMUseRef LLVMGetNextUse(LLVMUseRef U) {
1006   Use *Next = unwrap(U)->getNext();
1007   if (Next)
1008     return wrap(Next);
1009   return nullptr;
1010 }
1011 
1012 LLVMValueRef LLVMGetUser(LLVMUseRef U) {
1013   return wrap(unwrap(U)->getUser());
1014 }
1015 
1016 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U) {
1017   return wrap(unwrap(U)->get());
1018 }
1019 
1020 /*--.. Operations on Users .................................................--*/
1021 
1022 static LLVMValueRef getMDNodeOperandImpl(LLVMContext &Context, const MDNode *N,
1023                                          unsigned Index) {
1024   Metadata *Op = N->getOperand(Index);
1025   if (!Op)
1026     return nullptr;
1027   if (auto *C = dyn_cast<ConstantAsMetadata>(Op))
1028     return wrap(C->getValue());
1029   return wrap(MetadataAsValue::get(Context, Op));
1030 }
1031 
1032 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
1033   Value *V = unwrap(Val);
1034   if (auto *MD = dyn_cast<MetadataAsValue>(V)) {
1035     if (auto *L = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
1036       assert(Index == 0 && "Function-local metadata can only have one operand");
1037       return wrap(L->getValue());
1038     }
1039     return getMDNodeOperandImpl(V->getContext(),
1040                                 cast<MDNode>(MD->getMetadata()), Index);
1041   }
1042 
1043   return wrap(cast<User>(V)->getOperand(Index));
1044 }
1045 
1046 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index) {
1047   Value *V = unwrap(Val);
1048   return wrap(&cast<User>(V)->getOperandUse(Index));
1049 }
1050 
1051 void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
1052   unwrap<User>(Val)->setOperand(Index, unwrap(Op));
1053 }
1054 
1055 int LLVMGetNumOperands(LLVMValueRef Val) {
1056   Value *V = unwrap(Val);
1057   if (isa<MetadataAsValue>(V))
1058     return LLVMGetMDNodeNumOperands(Val);
1059 
1060   return cast<User>(V)->getNumOperands();
1061 }
1062 
1063 /*--.. Operations on constants of any type .................................--*/
1064 
1065 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty) {
1066   return wrap(Constant::getNullValue(unwrap(Ty)));
1067 }
1068 
1069 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty) {
1070   return wrap(Constant::getAllOnesValue(unwrap(Ty)));
1071 }
1072 
1073 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty) {
1074   return wrap(UndefValue::get(unwrap(Ty)));
1075 }
1076 
1077 LLVMValueRef LLVMGetPoison(LLVMTypeRef Ty) {
1078   return wrap(PoisonValue::get(unwrap(Ty)));
1079 }
1080 
1081 LLVMBool LLVMIsConstant(LLVMValueRef Ty) {
1082   return isa<Constant>(unwrap(Ty));
1083 }
1084 
1085 LLVMBool LLVMIsNull(LLVMValueRef Val) {
1086   if (Constant *C = dyn_cast<Constant>(unwrap(Val)))
1087     return C->isNullValue();
1088   return false;
1089 }
1090 
1091 LLVMBool LLVMIsUndef(LLVMValueRef Val) {
1092   return isa<UndefValue>(unwrap(Val));
1093 }
1094 
1095 LLVMBool LLVMIsPoison(LLVMValueRef Val) {
1096   return isa<PoisonValue>(unwrap(Val));
1097 }
1098 
1099 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty) {
1100   return wrap(ConstantPointerNull::get(unwrap<PointerType>(Ty)));
1101 }
1102 
1103 /*--.. Operations on metadata nodes ........................................--*/
1104 
1105 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
1106                                        size_t SLen) {
1107   return wrap(MDString::get(*unwrap(C), StringRef(Str, SLen)));
1108 }
1109 
1110 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
1111                                      size_t Count) {
1112   return wrap(MDNode::get(*unwrap(C), ArrayRef<Metadata*>(unwrap(MDs), Count)));
1113 }
1114 
1115 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
1116                                    unsigned SLen) {
1117   LLVMContext &Context = *unwrap(C);
1118   return wrap(MetadataAsValue::get(
1119       Context, MDString::get(Context, StringRef(Str, SLen))));
1120 }
1121 
1122 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen) {
1123   return LLVMMDStringInContext(LLVMGetGlobalContext(), Str, SLen);
1124 }
1125 
1126 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
1127                                  unsigned Count) {
1128   LLVMContext &Context = *unwrap(C);
1129   SmallVector<Metadata *, 8> MDs;
1130   for (auto *OV : makeArrayRef(Vals, Count)) {
1131     Value *V = unwrap(OV);
1132     Metadata *MD;
1133     if (!V)
1134       MD = nullptr;
1135     else if (auto *C = dyn_cast<Constant>(V))
1136       MD = ConstantAsMetadata::get(C);
1137     else if (auto *MDV = dyn_cast<MetadataAsValue>(V)) {
1138       MD = MDV->getMetadata();
1139       assert(!isa<LocalAsMetadata>(MD) && "Unexpected function-local metadata "
1140                                           "outside of direct argument to call");
1141     } else {
1142       // This is function-local metadata.  Pretend to make an MDNode.
1143       assert(Count == 1 &&
1144              "Expected only one operand to function-local metadata");
1145       return wrap(MetadataAsValue::get(Context, LocalAsMetadata::get(V)));
1146     }
1147 
1148     MDs.push_back(MD);
1149   }
1150   return wrap(MetadataAsValue::get(Context, MDNode::get(Context, MDs)));
1151 }
1152 
1153 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
1154   return LLVMMDNodeInContext(LLVMGetGlobalContext(), Vals, Count);
1155 }
1156 
1157 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD) {
1158   return wrap(MetadataAsValue::get(*unwrap(C), unwrap(MD)));
1159 }
1160 
1161 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val) {
1162   auto *V = unwrap(Val);
1163   if (auto *C = dyn_cast<Constant>(V))
1164     return wrap(ConstantAsMetadata::get(C));
1165   if (auto *MAV = dyn_cast<MetadataAsValue>(V))
1166     return wrap(MAV->getMetadata());
1167   return wrap(ValueAsMetadata::get(V));
1168 }
1169 
1170 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length) {
1171   if (const auto *MD = dyn_cast<MetadataAsValue>(unwrap(V)))
1172     if (const MDString *S = dyn_cast<MDString>(MD->getMetadata())) {
1173       *Length = S->getString().size();
1174       return S->getString().data();
1175     }
1176   *Length = 0;
1177   return nullptr;
1178 }
1179 
1180 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V) {
1181   auto *MD = cast<MetadataAsValue>(unwrap(V));
1182   if (isa<ValueAsMetadata>(MD->getMetadata()))
1183     return 1;
1184   return cast<MDNode>(MD->getMetadata())->getNumOperands();
1185 }
1186 
1187 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M) {
1188   Module *Mod = unwrap(M);
1189   Module::named_metadata_iterator I = Mod->named_metadata_begin();
1190   if (I == Mod->named_metadata_end())
1191     return nullptr;
1192   return wrap(&*I);
1193 }
1194 
1195 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M) {
1196   Module *Mod = unwrap(M);
1197   Module::named_metadata_iterator I = Mod->named_metadata_end();
1198   if (I == Mod->named_metadata_begin())
1199     return nullptr;
1200   return wrap(&*--I);
1201 }
1202 
1203 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NMD) {
1204   NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
1205   Module::named_metadata_iterator I(NamedNode);
1206   if (++I == NamedNode->getParent()->named_metadata_end())
1207     return nullptr;
1208   return wrap(&*I);
1209 }
1210 
1211 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NMD) {
1212   NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
1213   Module::named_metadata_iterator I(NamedNode);
1214   if (I == NamedNode->getParent()->named_metadata_begin())
1215     return nullptr;
1216   return wrap(&*--I);
1217 }
1218 
1219 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
1220                                         const char *Name, size_t NameLen) {
1221   return wrap(unwrap(M)->getNamedMetadata(StringRef(Name, NameLen)));
1222 }
1223 
1224 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
1225                                                 const char *Name, size_t NameLen) {
1226   return wrap(unwrap(M)->getOrInsertNamedMetadata({Name, NameLen}));
1227 }
1228 
1229 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NMD, size_t *NameLen) {
1230   NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
1231   *NameLen = NamedNode->getName().size();
1232   return NamedNode->getName().data();
1233 }
1234 
1235 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest) {
1236   auto *MD = cast<MetadataAsValue>(unwrap(V));
1237   if (auto *MDV = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
1238     *Dest = wrap(MDV->getValue());
1239     return;
1240   }
1241   const auto *N = cast<MDNode>(MD->getMetadata());
1242   const unsigned numOperands = N->getNumOperands();
1243   LLVMContext &Context = unwrap(V)->getContext();
1244   for (unsigned i = 0; i < numOperands; i++)
1245     Dest[i] = getMDNodeOperandImpl(Context, N, i);
1246 }
1247 
1248 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name) {
1249   if (NamedMDNode *N = unwrap(M)->getNamedMetadata(Name)) {
1250     return N->getNumOperands();
1251   }
1252   return 0;
1253 }
1254 
1255 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
1256                                   LLVMValueRef *Dest) {
1257   NamedMDNode *N = unwrap(M)->getNamedMetadata(Name);
1258   if (!N)
1259     return;
1260   LLVMContext &Context = unwrap(M)->getContext();
1261   for (unsigned i=0;i<N->getNumOperands();i++)
1262     Dest[i] = wrap(MetadataAsValue::get(Context, N->getOperand(i)));
1263 }
1264 
1265 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
1266                                  LLVMValueRef Val) {
1267   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(Name);
1268   if (!N)
1269     return;
1270   if (!Val)
1271     return;
1272   N->addOperand(extractMDNode(unwrap<MetadataAsValue>(Val)));
1273 }
1274 
1275 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length) {
1276   if (!Length) return nullptr;
1277   StringRef S;
1278   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1279     if (const auto &DL = I->getDebugLoc()) {
1280       S = DL->getDirectory();
1281     }
1282   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1283     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1284     GV->getDebugInfo(GVEs);
1285     if (GVEs.size())
1286       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1287         S = DGV->getDirectory();
1288   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1289     if (const DISubprogram *DSP = F->getSubprogram())
1290       S = DSP->getDirectory();
1291   } else {
1292     assert(0 && "Expected Instruction, GlobalVariable or Function");
1293     return nullptr;
1294   }
1295   *Length = S.size();
1296   return S.data();
1297 }
1298 
1299 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length) {
1300   if (!Length) return nullptr;
1301   StringRef S;
1302   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1303     if (const auto &DL = I->getDebugLoc()) {
1304       S = DL->getFilename();
1305     }
1306   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1307     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1308     GV->getDebugInfo(GVEs);
1309     if (GVEs.size())
1310       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1311         S = DGV->getFilename();
1312   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1313     if (const DISubprogram *DSP = F->getSubprogram())
1314       S = DSP->getFilename();
1315   } else {
1316     assert(0 && "Expected Instruction, GlobalVariable or Function");
1317     return nullptr;
1318   }
1319   *Length = S.size();
1320   return S.data();
1321 }
1322 
1323 unsigned LLVMGetDebugLocLine(LLVMValueRef Val) {
1324   unsigned L = 0;
1325   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1326     if (const auto &DL = I->getDebugLoc()) {
1327       L = DL->getLine();
1328     }
1329   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1330     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1331     GV->getDebugInfo(GVEs);
1332     if (GVEs.size())
1333       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1334         L = DGV->getLine();
1335   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1336     if (const DISubprogram *DSP = F->getSubprogram())
1337       L = DSP->getLine();
1338   } else {
1339     assert(0 && "Expected Instruction, GlobalVariable or Function");
1340     return -1;
1341   }
1342   return L;
1343 }
1344 
1345 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val) {
1346   unsigned C = 0;
1347   if (const auto *I = dyn_cast<Instruction>(unwrap(Val)))
1348     if (const auto &DL = I->getDebugLoc())
1349       C = DL->getColumn();
1350   return C;
1351 }
1352 
1353 /*--.. Operations on scalar constants ......................................--*/
1354 
1355 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1356                           LLVMBool SignExtend) {
1357   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), N, SignExtend != 0));
1358 }
1359 
1360 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1361                                               unsigned NumWords,
1362                                               const uint64_t Words[]) {
1363     IntegerType *Ty = unwrap<IntegerType>(IntTy);
1364     return wrap(ConstantInt::get(Ty->getContext(),
1365                                  APInt(Ty->getBitWidth(),
1366                                        makeArrayRef(Words, NumWords))));
1367 }
1368 
1369 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char Str[],
1370                                   uint8_t Radix) {
1371   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str),
1372                                Radix));
1373 }
1374 
1375 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char Str[],
1376                                          unsigned SLen, uint8_t Radix) {
1377   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str, SLen),
1378                                Radix));
1379 }
1380 
1381 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N) {
1382   return wrap(ConstantFP::get(unwrap(RealTy), N));
1383 }
1384 
1385 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text) {
1386   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Text)));
1387 }
1388 
1389 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char Str[],
1390                                           unsigned SLen) {
1391   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Str, SLen)));
1392 }
1393 
1394 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal) {
1395   return unwrap<ConstantInt>(ConstantVal)->getZExtValue();
1396 }
1397 
1398 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal) {
1399   return unwrap<ConstantInt>(ConstantVal)->getSExtValue();
1400 }
1401 
1402 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *LosesInfo) {
1403   ConstantFP *cFP = unwrap<ConstantFP>(ConstantVal) ;
1404   Type *Ty = cFP->getType();
1405 
1406   if (Ty->isHalfTy() || Ty->isBFloatTy() || Ty->isFloatTy() ||
1407       Ty->isDoubleTy()) {
1408     *LosesInfo = false;
1409     return cFP->getValueAPF().convertToDouble();
1410   }
1411 
1412   bool APFLosesInfo;
1413   APFloat APF = cFP->getValueAPF();
1414   APF.convert(APFloat::IEEEdouble(), APFloat::rmNearestTiesToEven, &APFLosesInfo);
1415   *LosesInfo = APFLosesInfo;
1416   return APF.convertToDouble();
1417 }
1418 
1419 /*--.. Operations on composite constants ...................................--*/
1420 
1421 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1422                                       unsigned Length,
1423                                       LLVMBool DontNullTerminate) {
1424   /* Inverted the sense of AddNull because ', 0)' is a
1425      better mnemonic for null termination than ', 1)'. */
1426   return wrap(ConstantDataArray::getString(*unwrap(C), StringRef(Str, Length),
1427                                            DontNullTerminate == 0));
1428 }
1429 
1430 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1431                              LLVMBool DontNullTerminate) {
1432   return LLVMConstStringInContext(LLVMGetGlobalContext(), Str, Length,
1433                                   DontNullTerminate);
1434 }
1435 
1436 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx) {
1437   return wrap(unwrap<ConstantDataSequential>(C)->getElementAsConstant(idx));
1438 }
1439 
1440 LLVMBool LLVMIsConstantString(LLVMValueRef C) {
1441   return unwrap<ConstantDataSequential>(C)->isString();
1442 }
1443 
1444 const char *LLVMGetAsString(LLVMValueRef C, size_t *Length) {
1445   StringRef Str = unwrap<ConstantDataSequential>(C)->getAsString();
1446   *Length = Str.size();
1447   return Str.data();
1448 }
1449 
1450 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
1451                             LLVMValueRef *ConstantVals, unsigned Length) {
1452   ArrayRef<Constant*> V(unwrap<Constant>(ConstantVals, Length), Length);
1453   return wrap(ConstantArray::get(ArrayType::get(unwrap(ElementTy), Length), V));
1454 }
1455 
1456 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
1457                                       LLVMValueRef *ConstantVals,
1458                                       unsigned Count, LLVMBool Packed) {
1459   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
1460   return wrap(ConstantStruct::getAnon(*unwrap(C), makeArrayRef(Elements, Count),
1461                                       Packed != 0));
1462 }
1463 
1464 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
1465                              LLVMBool Packed) {
1466   return LLVMConstStructInContext(LLVMGetGlobalContext(), ConstantVals, Count,
1467                                   Packed);
1468 }
1469 
1470 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
1471                                   LLVMValueRef *ConstantVals,
1472                                   unsigned Count) {
1473   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
1474   StructType *Ty = cast<StructType>(unwrap(StructTy));
1475 
1476   return wrap(ConstantStruct::get(Ty, makeArrayRef(Elements, Count)));
1477 }
1478 
1479 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size) {
1480   return wrap(ConstantVector::get(makeArrayRef(
1481                             unwrap<Constant>(ScalarConstantVals, Size), Size)));
1482 }
1483 
1484 /*-- Opcode mapping */
1485 
1486 static LLVMOpcode map_to_llvmopcode(int opcode)
1487 {
1488     switch (opcode) {
1489       default: llvm_unreachable("Unhandled Opcode.");
1490 #define HANDLE_INST(num, opc, clas) case num: return LLVM##opc;
1491 #include "llvm/IR/Instruction.def"
1492 #undef HANDLE_INST
1493     }
1494 }
1495 
1496 static int map_from_llvmopcode(LLVMOpcode code)
1497 {
1498     switch (code) {
1499 #define HANDLE_INST(num, opc, clas) case LLVM##opc: return num;
1500 #include "llvm/IR/Instruction.def"
1501 #undef HANDLE_INST
1502     }
1503     llvm_unreachable("Unhandled Opcode.");
1504 }
1505 
1506 /*--.. Constant expressions ................................................--*/
1507 
1508 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal) {
1509   return map_to_llvmopcode(unwrap<ConstantExpr>(ConstantVal)->getOpcode());
1510 }
1511 
1512 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty) {
1513   return wrap(ConstantExpr::getAlignOf(unwrap(Ty)));
1514 }
1515 
1516 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty) {
1517   return wrap(ConstantExpr::getSizeOf(unwrap(Ty)));
1518 }
1519 
1520 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal) {
1521   return wrap(ConstantExpr::getNeg(unwrap<Constant>(ConstantVal)));
1522 }
1523 
1524 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal) {
1525   return wrap(ConstantExpr::getNSWNeg(unwrap<Constant>(ConstantVal)));
1526 }
1527 
1528 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal) {
1529   return wrap(ConstantExpr::getNUWNeg(unwrap<Constant>(ConstantVal)));
1530 }
1531 
1532 
1533 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal) {
1534   return wrap(ConstantExpr::getFNeg(unwrap<Constant>(ConstantVal)));
1535 }
1536 
1537 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal) {
1538   return wrap(ConstantExpr::getNot(unwrap<Constant>(ConstantVal)));
1539 }
1540 
1541 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1542   return wrap(ConstantExpr::getAdd(unwrap<Constant>(LHSConstant),
1543                                    unwrap<Constant>(RHSConstant)));
1544 }
1545 
1546 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant,
1547                              LLVMValueRef RHSConstant) {
1548   return wrap(ConstantExpr::getNSWAdd(unwrap<Constant>(LHSConstant),
1549                                       unwrap<Constant>(RHSConstant)));
1550 }
1551 
1552 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant,
1553                              LLVMValueRef RHSConstant) {
1554   return wrap(ConstantExpr::getNUWAdd(unwrap<Constant>(LHSConstant),
1555                                       unwrap<Constant>(RHSConstant)));
1556 }
1557 
1558 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1559   return wrap(ConstantExpr::getFAdd(unwrap<Constant>(LHSConstant),
1560                                     unwrap<Constant>(RHSConstant)));
1561 }
1562 
1563 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1564   return wrap(ConstantExpr::getSub(unwrap<Constant>(LHSConstant),
1565                                    unwrap<Constant>(RHSConstant)));
1566 }
1567 
1568 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant,
1569                              LLVMValueRef RHSConstant) {
1570   return wrap(ConstantExpr::getNSWSub(unwrap<Constant>(LHSConstant),
1571                                       unwrap<Constant>(RHSConstant)));
1572 }
1573 
1574 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant,
1575                              LLVMValueRef RHSConstant) {
1576   return wrap(ConstantExpr::getNUWSub(unwrap<Constant>(LHSConstant),
1577                                       unwrap<Constant>(RHSConstant)));
1578 }
1579 
1580 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1581   return wrap(ConstantExpr::getFSub(unwrap<Constant>(LHSConstant),
1582                                     unwrap<Constant>(RHSConstant)));
1583 }
1584 
1585 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1586   return wrap(ConstantExpr::getMul(unwrap<Constant>(LHSConstant),
1587                                    unwrap<Constant>(RHSConstant)));
1588 }
1589 
1590 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant,
1591                              LLVMValueRef RHSConstant) {
1592   return wrap(ConstantExpr::getNSWMul(unwrap<Constant>(LHSConstant),
1593                                       unwrap<Constant>(RHSConstant)));
1594 }
1595 
1596 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant,
1597                              LLVMValueRef RHSConstant) {
1598   return wrap(ConstantExpr::getNUWMul(unwrap<Constant>(LHSConstant),
1599                                       unwrap<Constant>(RHSConstant)));
1600 }
1601 
1602 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1603   return wrap(ConstantExpr::getFMul(unwrap<Constant>(LHSConstant),
1604                                     unwrap<Constant>(RHSConstant)));
1605 }
1606 
1607 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1608   return wrap(ConstantExpr::getUDiv(unwrap<Constant>(LHSConstant),
1609                                     unwrap<Constant>(RHSConstant)));
1610 }
1611 
1612 LLVMValueRef LLVMConstExactUDiv(LLVMValueRef LHSConstant,
1613                                 LLVMValueRef RHSConstant) {
1614   return wrap(ConstantExpr::getExactUDiv(unwrap<Constant>(LHSConstant),
1615                                          unwrap<Constant>(RHSConstant)));
1616 }
1617 
1618 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1619   return wrap(ConstantExpr::getSDiv(unwrap<Constant>(LHSConstant),
1620                                     unwrap<Constant>(RHSConstant)));
1621 }
1622 
1623 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant,
1624                                 LLVMValueRef RHSConstant) {
1625   return wrap(ConstantExpr::getExactSDiv(unwrap<Constant>(LHSConstant),
1626                                          unwrap<Constant>(RHSConstant)));
1627 }
1628 
1629 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1630   return wrap(ConstantExpr::getFDiv(unwrap<Constant>(LHSConstant),
1631                                     unwrap<Constant>(RHSConstant)));
1632 }
1633 
1634 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1635   return wrap(ConstantExpr::getURem(unwrap<Constant>(LHSConstant),
1636                                     unwrap<Constant>(RHSConstant)));
1637 }
1638 
1639 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1640   return wrap(ConstantExpr::getSRem(unwrap<Constant>(LHSConstant),
1641                                     unwrap<Constant>(RHSConstant)));
1642 }
1643 
1644 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1645   return wrap(ConstantExpr::getFRem(unwrap<Constant>(LHSConstant),
1646                                     unwrap<Constant>(RHSConstant)));
1647 }
1648 
1649 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1650   return wrap(ConstantExpr::getAnd(unwrap<Constant>(LHSConstant),
1651                                    unwrap<Constant>(RHSConstant)));
1652 }
1653 
1654 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1655   return wrap(ConstantExpr::getOr(unwrap<Constant>(LHSConstant),
1656                                   unwrap<Constant>(RHSConstant)));
1657 }
1658 
1659 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1660   return wrap(ConstantExpr::getXor(unwrap<Constant>(LHSConstant),
1661                                    unwrap<Constant>(RHSConstant)));
1662 }
1663 
1664 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
1665                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1666   return wrap(ConstantExpr::getICmp(Predicate,
1667                                     unwrap<Constant>(LHSConstant),
1668                                     unwrap<Constant>(RHSConstant)));
1669 }
1670 
1671 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
1672                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1673   return wrap(ConstantExpr::getFCmp(Predicate,
1674                                     unwrap<Constant>(LHSConstant),
1675                                     unwrap<Constant>(RHSConstant)));
1676 }
1677 
1678 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1679   return wrap(ConstantExpr::getShl(unwrap<Constant>(LHSConstant),
1680                                    unwrap<Constant>(RHSConstant)));
1681 }
1682 
1683 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1684   return wrap(ConstantExpr::getLShr(unwrap<Constant>(LHSConstant),
1685                                     unwrap<Constant>(RHSConstant)));
1686 }
1687 
1688 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1689   return wrap(ConstantExpr::getAShr(unwrap<Constant>(LHSConstant),
1690                                     unwrap<Constant>(RHSConstant)));
1691 }
1692 
1693 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
1694                           LLVMValueRef *ConstantIndices, unsigned NumIndices) {
1695   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1696                                NumIndices);
1697   Constant *Val = unwrap<Constant>(ConstantVal);
1698   Type *Ty = Val->getType()->getScalarType()->getNonOpaquePointerElementType();
1699   return wrap(ConstantExpr::getGetElementPtr(Ty, Val, IdxList));
1700 }
1701 
1702 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
1703                            LLVMValueRef *ConstantIndices, unsigned NumIndices) {
1704   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1705                                NumIndices);
1706   Constant *Val = unwrap<Constant>(ConstantVal);
1707   return wrap(ConstantExpr::getGetElementPtr(unwrap(Ty), Val, IdxList));
1708 }
1709 
1710 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
1711                                   LLVMValueRef *ConstantIndices,
1712                                   unsigned NumIndices) {
1713   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1714                                NumIndices);
1715   Constant *Val = unwrap<Constant>(ConstantVal);
1716   Type *Ty = Val->getType()->getScalarType()->getNonOpaquePointerElementType();
1717   return wrap(ConstantExpr::getInBoundsGetElementPtr(Ty, Val, IdxList));
1718 }
1719 
1720 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
1721                                    LLVMValueRef *ConstantIndices,
1722                                    unsigned NumIndices) {
1723   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1724                                NumIndices);
1725   Constant *Val = unwrap<Constant>(ConstantVal);
1726   return wrap(ConstantExpr::getInBoundsGetElementPtr(unwrap(Ty), Val, IdxList));
1727 }
1728 
1729 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1730   return wrap(ConstantExpr::getTrunc(unwrap<Constant>(ConstantVal),
1731                                      unwrap(ToType)));
1732 }
1733 
1734 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1735   return wrap(ConstantExpr::getSExt(unwrap<Constant>(ConstantVal),
1736                                     unwrap(ToType)));
1737 }
1738 
1739 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1740   return wrap(ConstantExpr::getZExt(unwrap<Constant>(ConstantVal),
1741                                     unwrap(ToType)));
1742 }
1743 
1744 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1745   return wrap(ConstantExpr::getFPTrunc(unwrap<Constant>(ConstantVal),
1746                                        unwrap(ToType)));
1747 }
1748 
1749 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1750   return wrap(ConstantExpr::getFPExtend(unwrap<Constant>(ConstantVal),
1751                                         unwrap(ToType)));
1752 }
1753 
1754 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1755   return wrap(ConstantExpr::getUIToFP(unwrap<Constant>(ConstantVal),
1756                                       unwrap(ToType)));
1757 }
1758 
1759 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1760   return wrap(ConstantExpr::getSIToFP(unwrap<Constant>(ConstantVal),
1761                                       unwrap(ToType)));
1762 }
1763 
1764 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1765   return wrap(ConstantExpr::getFPToUI(unwrap<Constant>(ConstantVal),
1766                                       unwrap(ToType)));
1767 }
1768 
1769 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1770   return wrap(ConstantExpr::getFPToSI(unwrap<Constant>(ConstantVal),
1771                                       unwrap(ToType)));
1772 }
1773 
1774 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1775   return wrap(ConstantExpr::getPtrToInt(unwrap<Constant>(ConstantVal),
1776                                         unwrap(ToType)));
1777 }
1778 
1779 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1780   return wrap(ConstantExpr::getIntToPtr(unwrap<Constant>(ConstantVal),
1781                                         unwrap(ToType)));
1782 }
1783 
1784 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1785   return wrap(ConstantExpr::getBitCast(unwrap<Constant>(ConstantVal),
1786                                        unwrap(ToType)));
1787 }
1788 
1789 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal,
1790                                     LLVMTypeRef ToType) {
1791   return wrap(ConstantExpr::getAddrSpaceCast(unwrap<Constant>(ConstantVal),
1792                                              unwrap(ToType)));
1793 }
1794 
1795 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
1796                                     LLVMTypeRef ToType) {
1797   return wrap(ConstantExpr::getZExtOrBitCast(unwrap<Constant>(ConstantVal),
1798                                              unwrap(ToType)));
1799 }
1800 
1801 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
1802                                     LLVMTypeRef ToType) {
1803   return wrap(ConstantExpr::getSExtOrBitCast(unwrap<Constant>(ConstantVal),
1804                                              unwrap(ToType)));
1805 }
1806 
1807 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
1808                                      LLVMTypeRef ToType) {
1809   return wrap(ConstantExpr::getTruncOrBitCast(unwrap<Constant>(ConstantVal),
1810                                               unwrap(ToType)));
1811 }
1812 
1813 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
1814                                   LLVMTypeRef ToType) {
1815   return wrap(ConstantExpr::getPointerCast(unwrap<Constant>(ConstantVal),
1816                                            unwrap(ToType)));
1817 }
1818 
1819 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
1820                               LLVMBool isSigned) {
1821   return wrap(ConstantExpr::getIntegerCast(unwrap<Constant>(ConstantVal),
1822                                            unwrap(ToType), isSigned));
1823 }
1824 
1825 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1826   return wrap(ConstantExpr::getFPCast(unwrap<Constant>(ConstantVal),
1827                                       unwrap(ToType)));
1828 }
1829 
1830 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
1831                              LLVMValueRef ConstantIfTrue,
1832                              LLVMValueRef ConstantIfFalse) {
1833   return wrap(ConstantExpr::getSelect(unwrap<Constant>(ConstantCondition),
1834                                       unwrap<Constant>(ConstantIfTrue),
1835                                       unwrap<Constant>(ConstantIfFalse)));
1836 }
1837 
1838 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
1839                                      LLVMValueRef IndexConstant) {
1840   return wrap(ConstantExpr::getExtractElement(unwrap<Constant>(VectorConstant),
1841                                               unwrap<Constant>(IndexConstant)));
1842 }
1843 
1844 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
1845                                     LLVMValueRef ElementValueConstant,
1846                                     LLVMValueRef IndexConstant) {
1847   return wrap(ConstantExpr::getInsertElement(unwrap<Constant>(VectorConstant),
1848                                          unwrap<Constant>(ElementValueConstant),
1849                                              unwrap<Constant>(IndexConstant)));
1850 }
1851 
1852 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
1853                                     LLVMValueRef VectorBConstant,
1854                                     LLVMValueRef MaskConstant) {
1855   SmallVector<int, 16> IntMask;
1856   ShuffleVectorInst::getShuffleMask(unwrap<Constant>(MaskConstant), IntMask);
1857   return wrap(ConstantExpr::getShuffleVector(unwrap<Constant>(VectorAConstant),
1858                                              unwrap<Constant>(VectorBConstant),
1859                                              IntMask));
1860 }
1861 
1862 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
1863                                    unsigned NumIdx) {
1864   return wrap(ConstantExpr::getExtractValue(unwrap<Constant>(AggConstant),
1865                                             makeArrayRef(IdxList, NumIdx)));
1866 }
1867 
1868 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
1869                                   LLVMValueRef ElementValueConstant,
1870                                   unsigned *IdxList, unsigned NumIdx) {
1871   return wrap(ConstantExpr::getInsertValue(unwrap<Constant>(AggConstant),
1872                                          unwrap<Constant>(ElementValueConstant),
1873                                            makeArrayRef(IdxList, NumIdx)));
1874 }
1875 
1876 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty, const char *AsmString,
1877                                 const char *Constraints,
1878                                 LLVMBool HasSideEffects,
1879                                 LLVMBool IsAlignStack) {
1880   return wrap(InlineAsm::get(dyn_cast<FunctionType>(unwrap(Ty)), AsmString,
1881                              Constraints, HasSideEffects, IsAlignStack));
1882 }
1883 
1884 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB) {
1885   return wrap(BlockAddress::get(unwrap<Function>(F), unwrap(BB)));
1886 }
1887 
1888 /*--.. Operations on global variables, functions, and aliases (globals) ....--*/
1889 
1890 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global) {
1891   return wrap(unwrap<GlobalValue>(Global)->getParent());
1892 }
1893 
1894 LLVMBool LLVMIsDeclaration(LLVMValueRef Global) {
1895   return unwrap<GlobalValue>(Global)->isDeclaration();
1896 }
1897 
1898 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global) {
1899   switch (unwrap<GlobalValue>(Global)->getLinkage()) {
1900   case GlobalValue::ExternalLinkage:
1901     return LLVMExternalLinkage;
1902   case GlobalValue::AvailableExternallyLinkage:
1903     return LLVMAvailableExternallyLinkage;
1904   case GlobalValue::LinkOnceAnyLinkage:
1905     return LLVMLinkOnceAnyLinkage;
1906   case GlobalValue::LinkOnceODRLinkage:
1907     return LLVMLinkOnceODRLinkage;
1908   case GlobalValue::WeakAnyLinkage:
1909     return LLVMWeakAnyLinkage;
1910   case GlobalValue::WeakODRLinkage:
1911     return LLVMWeakODRLinkage;
1912   case GlobalValue::AppendingLinkage:
1913     return LLVMAppendingLinkage;
1914   case GlobalValue::InternalLinkage:
1915     return LLVMInternalLinkage;
1916   case GlobalValue::PrivateLinkage:
1917     return LLVMPrivateLinkage;
1918   case GlobalValue::ExternalWeakLinkage:
1919     return LLVMExternalWeakLinkage;
1920   case GlobalValue::CommonLinkage:
1921     return LLVMCommonLinkage;
1922   }
1923 
1924   llvm_unreachable("Invalid GlobalValue linkage!");
1925 }
1926 
1927 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage) {
1928   GlobalValue *GV = unwrap<GlobalValue>(Global);
1929 
1930   switch (Linkage) {
1931   case LLVMExternalLinkage:
1932     GV->setLinkage(GlobalValue::ExternalLinkage);
1933     break;
1934   case LLVMAvailableExternallyLinkage:
1935     GV->setLinkage(GlobalValue::AvailableExternallyLinkage);
1936     break;
1937   case LLVMLinkOnceAnyLinkage:
1938     GV->setLinkage(GlobalValue::LinkOnceAnyLinkage);
1939     break;
1940   case LLVMLinkOnceODRLinkage:
1941     GV->setLinkage(GlobalValue::LinkOnceODRLinkage);
1942     break;
1943   case LLVMLinkOnceODRAutoHideLinkage:
1944     LLVM_DEBUG(
1945         errs() << "LLVMSetLinkage(): LLVMLinkOnceODRAutoHideLinkage is no "
1946                   "longer supported.");
1947     break;
1948   case LLVMWeakAnyLinkage:
1949     GV->setLinkage(GlobalValue::WeakAnyLinkage);
1950     break;
1951   case LLVMWeakODRLinkage:
1952     GV->setLinkage(GlobalValue::WeakODRLinkage);
1953     break;
1954   case LLVMAppendingLinkage:
1955     GV->setLinkage(GlobalValue::AppendingLinkage);
1956     break;
1957   case LLVMInternalLinkage:
1958     GV->setLinkage(GlobalValue::InternalLinkage);
1959     break;
1960   case LLVMPrivateLinkage:
1961     GV->setLinkage(GlobalValue::PrivateLinkage);
1962     break;
1963   case LLVMLinkerPrivateLinkage:
1964     GV->setLinkage(GlobalValue::PrivateLinkage);
1965     break;
1966   case LLVMLinkerPrivateWeakLinkage:
1967     GV->setLinkage(GlobalValue::PrivateLinkage);
1968     break;
1969   case LLVMDLLImportLinkage:
1970     LLVM_DEBUG(
1971         errs()
1972         << "LLVMSetLinkage(): LLVMDLLImportLinkage is no longer supported.");
1973     break;
1974   case LLVMDLLExportLinkage:
1975     LLVM_DEBUG(
1976         errs()
1977         << "LLVMSetLinkage(): LLVMDLLExportLinkage is no longer supported.");
1978     break;
1979   case LLVMExternalWeakLinkage:
1980     GV->setLinkage(GlobalValue::ExternalWeakLinkage);
1981     break;
1982   case LLVMGhostLinkage:
1983     LLVM_DEBUG(
1984         errs() << "LLVMSetLinkage(): LLVMGhostLinkage is no longer supported.");
1985     break;
1986   case LLVMCommonLinkage:
1987     GV->setLinkage(GlobalValue::CommonLinkage);
1988     break;
1989   }
1990 }
1991 
1992 const char *LLVMGetSection(LLVMValueRef Global) {
1993   // Using .data() is safe because of how GlobalObject::setSection is
1994   // implemented.
1995   return unwrap<GlobalValue>(Global)->getSection().data();
1996 }
1997 
1998 void LLVMSetSection(LLVMValueRef Global, const char *Section) {
1999   unwrap<GlobalObject>(Global)->setSection(Section);
2000 }
2001 
2002 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global) {
2003   return static_cast<LLVMVisibility>(
2004     unwrap<GlobalValue>(Global)->getVisibility());
2005 }
2006 
2007 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
2008   unwrap<GlobalValue>(Global)
2009     ->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
2010 }
2011 
2012 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global) {
2013   return static_cast<LLVMDLLStorageClass>(
2014       unwrap<GlobalValue>(Global)->getDLLStorageClass());
2015 }
2016 
2017 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class) {
2018   unwrap<GlobalValue>(Global)->setDLLStorageClass(
2019       static_cast<GlobalValue::DLLStorageClassTypes>(Class));
2020 }
2021 
2022 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global) {
2023   switch (unwrap<GlobalValue>(Global)->getUnnamedAddr()) {
2024   case GlobalVariable::UnnamedAddr::None:
2025     return LLVMNoUnnamedAddr;
2026   case GlobalVariable::UnnamedAddr::Local:
2027     return LLVMLocalUnnamedAddr;
2028   case GlobalVariable::UnnamedAddr::Global:
2029     return LLVMGlobalUnnamedAddr;
2030   }
2031   llvm_unreachable("Unknown UnnamedAddr kind!");
2032 }
2033 
2034 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr) {
2035   GlobalValue *GV = unwrap<GlobalValue>(Global);
2036 
2037   switch (UnnamedAddr) {
2038   case LLVMNoUnnamedAddr:
2039     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::None);
2040   case LLVMLocalUnnamedAddr:
2041     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::Local);
2042   case LLVMGlobalUnnamedAddr:
2043     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::Global);
2044   }
2045 }
2046 
2047 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global) {
2048   return unwrap<GlobalValue>(Global)->hasGlobalUnnamedAddr();
2049 }
2050 
2051 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr) {
2052   unwrap<GlobalValue>(Global)->setUnnamedAddr(
2053       HasUnnamedAddr ? GlobalValue::UnnamedAddr::Global
2054                      : GlobalValue::UnnamedAddr::None);
2055 }
2056 
2057 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global) {
2058   return wrap(unwrap<GlobalValue>(Global)->getValueType());
2059 }
2060 
2061 /*--.. Operations on global variables, load and store instructions .........--*/
2062 
2063 unsigned LLVMGetAlignment(LLVMValueRef V) {
2064   Value *P = unwrap<Value>(V);
2065   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
2066     return GV->getAlignment();
2067   if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
2068     return AI->getAlignment();
2069   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2070     return LI->getAlignment();
2071   if (StoreInst *SI = dyn_cast<StoreInst>(P))
2072     return SI->getAlignment();
2073   if (AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(P))
2074     return RMWI->getAlign().value();
2075   if (AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(P))
2076     return CXI->getAlign().value();
2077 
2078   llvm_unreachable(
2079       "only GlobalValue, AllocaInst, LoadInst, StoreInst, AtomicRMWInst, "
2080       "and AtomicCmpXchgInst have alignment");
2081 }
2082 
2083 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes) {
2084   Value *P = unwrap<Value>(V);
2085   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
2086     GV->setAlignment(MaybeAlign(Bytes));
2087   else if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
2088     AI->setAlignment(Align(Bytes));
2089   else if (LoadInst *LI = dyn_cast<LoadInst>(P))
2090     LI->setAlignment(Align(Bytes));
2091   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
2092     SI->setAlignment(Align(Bytes));
2093   else if (AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(P))
2094     RMWI->setAlignment(Align(Bytes));
2095   else if (AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(P))
2096     CXI->setAlignment(Align(Bytes));
2097   else
2098     llvm_unreachable(
2099         "only GlobalValue, AllocaInst, LoadInst, StoreInst, AtomicRMWInst, and "
2100         "and AtomicCmpXchgInst have alignment");
2101 }
2102 
2103 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2104                                                   size_t *NumEntries) {
2105   return llvm_getMetadata(NumEntries, [&Value](MetadataEntries &Entries) {
2106     Entries.clear();
2107     if (Instruction *Instr = dyn_cast<Instruction>(unwrap(Value))) {
2108       Instr->getAllMetadata(Entries);
2109     } else {
2110       unwrap<GlobalObject>(Value)->getAllMetadata(Entries);
2111     }
2112   });
2113 }
2114 
2115 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2116                                          unsigned Index) {
2117   LLVMOpaqueValueMetadataEntry MVE =
2118       static_cast<LLVMOpaqueValueMetadataEntry>(Entries[Index]);
2119   return MVE.Kind;
2120 }
2121 
2122 LLVMMetadataRef
2123 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2124                                     unsigned Index) {
2125   LLVMOpaqueValueMetadataEntry MVE =
2126       static_cast<LLVMOpaqueValueMetadataEntry>(Entries[Index]);
2127   return MVE.Metadata;
2128 }
2129 
2130 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries) {
2131   free(Entries);
2132 }
2133 
2134 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2135                            LLVMMetadataRef MD) {
2136   unwrap<GlobalObject>(Global)->setMetadata(Kind, unwrap<MDNode>(MD));
2137 }
2138 
2139 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind) {
2140   unwrap<GlobalObject>(Global)->eraseMetadata(Kind);
2141 }
2142 
2143 void LLVMGlobalClearMetadata(LLVMValueRef Global) {
2144   unwrap<GlobalObject>(Global)->clearMetadata();
2145 }
2146 
2147 /*--.. Operations on global variables ......................................--*/
2148 
2149 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name) {
2150   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
2151                                  GlobalValue::ExternalLinkage, nullptr, Name));
2152 }
2153 
2154 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2155                                          const char *Name,
2156                                          unsigned AddressSpace) {
2157   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
2158                                  GlobalValue::ExternalLinkage, nullptr, Name,
2159                                  nullptr, GlobalVariable::NotThreadLocal,
2160                                  AddressSpace));
2161 }
2162 
2163 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name) {
2164   return wrap(unwrap(M)->getNamedGlobal(Name));
2165 }
2166 
2167 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M) {
2168   Module *Mod = unwrap(M);
2169   Module::global_iterator I = Mod->global_begin();
2170   if (I == Mod->global_end())
2171     return nullptr;
2172   return wrap(&*I);
2173 }
2174 
2175 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M) {
2176   Module *Mod = unwrap(M);
2177   Module::global_iterator I = Mod->global_end();
2178   if (I == Mod->global_begin())
2179     return nullptr;
2180   return wrap(&*--I);
2181 }
2182 
2183 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar) {
2184   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2185   Module::global_iterator I(GV);
2186   if (++I == GV->getParent()->global_end())
2187     return nullptr;
2188   return wrap(&*I);
2189 }
2190 
2191 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar) {
2192   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2193   Module::global_iterator I(GV);
2194   if (I == GV->getParent()->global_begin())
2195     return nullptr;
2196   return wrap(&*--I);
2197 }
2198 
2199 void LLVMDeleteGlobal(LLVMValueRef GlobalVar) {
2200   unwrap<GlobalVariable>(GlobalVar)->eraseFromParent();
2201 }
2202 
2203 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar) {
2204   GlobalVariable* GV = unwrap<GlobalVariable>(GlobalVar);
2205   if ( !GV->hasInitializer() )
2206     return nullptr;
2207   return wrap(GV->getInitializer());
2208 }
2209 
2210 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal) {
2211   unwrap<GlobalVariable>(GlobalVar)
2212     ->setInitializer(unwrap<Constant>(ConstantVal));
2213 }
2214 
2215 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar) {
2216   return unwrap<GlobalVariable>(GlobalVar)->isThreadLocal();
2217 }
2218 
2219 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal) {
2220   unwrap<GlobalVariable>(GlobalVar)->setThreadLocal(IsThreadLocal != 0);
2221 }
2222 
2223 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar) {
2224   return unwrap<GlobalVariable>(GlobalVar)->isConstant();
2225 }
2226 
2227 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant) {
2228   unwrap<GlobalVariable>(GlobalVar)->setConstant(IsConstant != 0);
2229 }
2230 
2231 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar) {
2232   switch (unwrap<GlobalVariable>(GlobalVar)->getThreadLocalMode()) {
2233   case GlobalVariable::NotThreadLocal:
2234     return LLVMNotThreadLocal;
2235   case GlobalVariable::GeneralDynamicTLSModel:
2236     return LLVMGeneralDynamicTLSModel;
2237   case GlobalVariable::LocalDynamicTLSModel:
2238     return LLVMLocalDynamicTLSModel;
2239   case GlobalVariable::InitialExecTLSModel:
2240     return LLVMInitialExecTLSModel;
2241   case GlobalVariable::LocalExecTLSModel:
2242     return LLVMLocalExecTLSModel;
2243   }
2244 
2245   llvm_unreachable("Invalid GlobalVariable thread local mode");
2246 }
2247 
2248 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode) {
2249   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2250 
2251   switch (Mode) {
2252   case LLVMNotThreadLocal:
2253     GV->setThreadLocalMode(GlobalVariable::NotThreadLocal);
2254     break;
2255   case LLVMGeneralDynamicTLSModel:
2256     GV->setThreadLocalMode(GlobalVariable::GeneralDynamicTLSModel);
2257     break;
2258   case LLVMLocalDynamicTLSModel:
2259     GV->setThreadLocalMode(GlobalVariable::LocalDynamicTLSModel);
2260     break;
2261   case LLVMInitialExecTLSModel:
2262     GV->setThreadLocalMode(GlobalVariable::InitialExecTLSModel);
2263     break;
2264   case LLVMLocalExecTLSModel:
2265     GV->setThreadLocalMode(GlobalVariable::LocalExecTLSModel);
2266     break;
2267   }
2268 }
2269 
2270 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar) {
2271   return unwrap<GlobalVariable>(GlobalVar)->isExternallyInitialized();
2272 }
2273 
2274 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit) {
2275   unwrap<GlobalVariable>(GlobalVar)->setExternallyInitialized(IsExtInit);
2276 }
2277 
2278 /*--.. Operations on aliases ......................................--*/
2279 
2280 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
2281                           const char *Name) {
2282   auto *PTy = cast<PointerType>(unwrap(Ty));
2283   return wrap(GlobalAlias::create(PTy->getNonOpaquePointerElementType(),
2284                                   PTy->getAddressSpace(),
2285                                   GlobalValue::ExternalLinkage, Name,
2286                                   unwrap<Constant>(Aliasee), unwrap(M)));
2287 }
2288 
2289 LLVMValueRef LLVMAddAlias2(LLVMModuleRef M, LLVMTypeRef ValueTy,
2290                            unsigned AddrSpace, LLVMValueRef Aliasee,
2291                            const char *Name) {
2292   return wrap(GlobalAlias::create(unwrap(ValueTy), AddrSpace,
2293                                   GlobalValue::ExternalLinkage, Name,
2294                                   unwrap<Constant>(Aliasee), unwrap(M)));
2295 }
2296 
2297 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2298                                      const char *Name, size_t NameLen) {
2299   return wrap(unwrap(M)->getNamedAlias(StringRef(Name, NameLen)));
2300 }
2301 
2302 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M) {
2303   Module *Mod = unwrap(M);
2304   Module::alias_iterator I = Mod->alias_begin();
2305   if (I == Mod->alias_end())
2306     return nullptr;
2307   return wrap(&*I);
2308 }
2309 
2310 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M) {
2311   Module *Mod = unwrap(M);
2312   Module::alias_iterator I = Mod->alias_end();
2313   if (I == Mod->alias_begin())
2314     return nullptr;
2315   return wrap(&*--I);
2316 }
2317 
2318 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA) {
2319   GlobalAlias *Alias = unwrap<GlobalAlias>(GA);
2320   Module::alias_iterator I(Alias);
2321   if (++I == Alias->getParent()->alias_end())
2322     return nullptr;
2323   return wrap(&*I);
2324 }
2325 
2326 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA) {
2327   GlobalAlias *Alias = unwrap<GlobalAlias>(GA);
2328   Module::alias_iterator I(Alias);
2329   if (I == Alias->getParent()->alias_begin())
2330     return nullptr;
2331   return wrap(&*--I);
2332 }
2333 
2334 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias) {
2335   return wrap(unwrap<GlobalAlias>(Alias)->getAliasee());
2336 }
2337 
2338 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee) {
2339   unwrap<GlobalAlias>(Alias)->setAliasee(unwrap<Constant>(Aliasee));
2340 }
2341 
2342 /*--.. Operations on functions .............................................--*/
2343 
2344 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
2345                              LLVMTypeRef FunctionTy) {
2346   return wrap(Function::Create(unwrap<FunctionType>(FunctionTy),
2347                                GlobalValue::ExternalLinkage, Name, unwrap(M)));
2348 }
2349 
2350 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name) {
2351   return wrap(unwrap(M)->getFunction(Name));
2352 }
2353 
2354 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M) {
2355   Module *Mod = unwrap(M);
2356   Module::iterator I = Mod->begin();
2357   if (I == Mod->end())
2358     return nullptr;
2359   return wrap(&*I);
2360 }
2361 
2362 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M) {
2363   Module *Mod = unwrap(M);
2364   Module::iterator I = Mod->end();
2365   if (I == Mod->begin())
2366     return nullptr;
2367   return wrap(&*--I);
2368 }
2369 
2370 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn) {
2371   Function *Func = unwrap<Function>(Fn);
2372   Module::iterator I(Func);
2373   if (++I == Func->getParent()->end())
2374     return nullptr;
2375   return wrap(&*I);
2376 }
2377 
2378 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn) {
2379   Function *Func = unwrap<Function>(Fn);
2380   Module::iterator I(Func);
2381   if (I == Func->getParent()->begin())
2382     return nullptr;
2383   return wrap(&*--I);
2384 }
2385 
2386 void LLVMDeleteFunction(LLVMValueRef Fn) {
2387   unwrap<Function>(Fn)->eraseFromParent();
2388 }
2389 
2390 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn) {
2391   return unwrap<Function>(Fn)->hasPersonalityFn();
2392 }
2393 
2394 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn) {
2395   return wrap(unwrap<Function>(Fn)->getPersonalityFn());
2396 }
2397 
2398 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn) {
2399   unwrap<Function>(Fn)->setPersonalityFn(unwrap<Constant>(PersonalityFn));
2400 }
2401 
2402 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn) {
2403   if (Function *F = dyn_cast<Function>(unwrap(Fn)))
2404     return F->getIntrinsicID();
2405   return 0;
2406 }
2407 
2408 static Intrinsic::ID llvm_map_to_intrinsic_id(unsigned ID) {
2409   assert(ID < llvm::Intrinsic::num_intrinsics && "Intrinsic ID out of range");
2410   return llvm::Intrinsic::ID(ID);
2411 }
2412 
2413 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2414                                          unsigned ID,
2415                                          LLVMTypeRef *ParamTypes,
2416                                          size_t ParamCount) {
2417   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2418   auto IID = llvm_map_to_intrinsic_id(ID);
2419   return wrap(llvm::Intrinsic::getDeclaration(unwrap(Mod), IID, Tys));
2420 }
2421 
2422 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength) {
2423   auto IID = llvm_map_to_intrinsic_id(ID);
2424   auto Str = llvm::Intrinsic::getName(IID);
2425   *NameLength = Str.size();
2426   return Str.data();
2427 }
2428 
2429 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2430                                  LLVMTypeRef *ParamTypes, size_t ParamCount) {
2431   auto IID = llvm_map_to_intrinsic_id(ID);
2432   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2433   return wrap(llvm::Intrinsic::getType(*unwrap(Ctx), IID, Tys));
2434 }
2435 
2436 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2437                                             LLVMTypeRef *ParamTypes,
2438                                             size_t ParamCount,
2439                                             size_t *NameLength) {
2440   auto IID = llvm_map_to_intrinsic_id(ID);
2441   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2442   auto Str = llvm::Intrinsic::getNameNoUnnamedTypes(IID, Tys);
2443   *NameLength = Str.length();
2444   return strdup(Str.c_str());
2445 }
2446 
2447 const char *LLVMIntrinsicCopyOverloadedName2(LLVMModuleRef Mod, unsigned ID,
2448                                              LLVMTypeRef *ParamTypes,
2449                                              size_t ParamCount,
2450                                              size_t *NameLength) {
2451   auto IID = llvm_map_to_intrinsic_id(ID);
2452   ArrayRef<Type *> Tys(unwrap(ParamTypes), ParamCount);
2453   auto Str = llvm::Intrinsic::getName(IID, Tys, unwrap(Mod));
2454   *NameLength = Str.length();
2455   return strdup(Str.c_str());
2456 }
2457 
2458 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen) {
2459   return Function::lookupIntrinsicID({Name, NameLen});
2460 }
2461 
2462 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID) {
2463   auto IID = llvm_map_to_intrinsic_id(ID);
2464   return llvm::Intrinsic::isOverloaded(IID);
2465 }
2466 
2467 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn) {
2468   return unwrap<Function>(Fn)->getCallingConv();
2469 }
2470 
2471 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC) {
2472   return unwrap<Function>(Fn)->setCallingConv(
2473     static_cast<CallingConv::ID>(CC));
2474 }
2475 
2476 const char *LLVMGetGC(LLVMValueRef Fn) {
2477   Function *F = unwrap<Function>(Fn);
2478   return F->hasGC()? F->getGC().c_str() : nullptr;
2479 }
2480 
2481 void LLVMSetGC(LLVMValueRef Fn, const char *GC) {
2482   Function *F = unwrap<Function>(Fn);
2483   if (GC)
2484     F->setGC(GC);
2485   else
2486     F->clearGC();
2487 }
2488 
2489 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2490                              LLVMAttributeRef A) {
2491   unwrap<Function>(F)->addAttributeAtIndex(Idx, unwrap(A));
2492 }
2493 
2494 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx) {
2495   auto AS = unwrap<Function>(F)->getAttributes().getAttributes(Idx);
2496   return AS.getNumAttributes();
2497 }
2498 
2499 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2500                               LLVMAttributeRef *Attrs) {
2501   auto AS = unwrap<Function>(F)->getAttributes().getAttributes(Idx);
2502   for (auto A : AS)
2503     *Attrs++ = wrap(A);
2504 }
2505 
2506 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2507                                              LLVMAttributeIndex Idx,
2508                                              unsigned KindID) {
2509   return wrap(unwrap<Function>(F)->getAttributeAtIndex(
2510       Idx, (Attribute::AttrKind)KindID));
2511 }
2512 
2513 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2514                                                LLVMAttributeIndex Idx,
2515                                                const char *K, unsigned KLen) {
2516   return wrap(
2517       unwrap<Function>(F)->getAttributeAtIndex(Idx, StringRef(K, KLen)));
2518 }
2519 
2520 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2521                                     unsigned KindID) {
2522   unwrap<Function>(F)->removeAttributeAtIndex(Idx, (Attribute::AttrKind)KindID);
2523 }
2524 
2525 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2526                                       const char *K, unsigned KLen) {
2527   unwrap<Function>(F)->removeAttributeAtIndex(Idx, StringRef(K, KLen));
2528 }
2529 
2530 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2531                                         const char *V) {
2532   Function *Func = unwrap<Function>(Fn);
2533   Attribute Attr = Attribute::get(Func->getContext(), A, V);
2534   Func->addFnAttr(Attr);
2535 }
2536 
2537 /*--.. Operations on parameters ............................................--*/
2538 
2539 unsigned LLVMCountParams(LLVMValueRef FnRef) {
2540   // This function is strictly redundant to
2541   //   LLVMCountParamTypes(LLVMGetElementType(LLVMTypeOf(FnRef)))
2542   return unwrap<Function>(FnRef)->arg_size();
2543 }
2544 
2545 void LLVMGetParams(LLVMValueRef FnRef, LLVMValueRef *ParamRefs) {
2546   Function *Fn = unwrap<Function>(FnRef);
2547   for (Argument &A : Fn->args())
2548     *ParamRefs++ = wrap(&A);
2549 }
2550 
2551 LLVMValueRef LLVMGetParam(LLVMValueRef FnRef, unsigned index) {
2552   Function *Fn = unwrap<Function>(FnRef);
2553   return wrap(&Fn->arg_begin()[index]);
2554 }
2555 
2556 LLVMValueRef LLVMGetParamParent(LLVMValueRef V) {
2557   return wrap(unwrap<Argument>(V)->getParent());
2558 }
2559 
2560 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn) {
2561   Function *Func = unwrap<Function>(Fn);
2562   Function::arg_iterator I = Func->arg_begin();
2563   if (I == Func->arg_end())
2564     return nullptr;
2565   return wrap(&*I);
2566 }
2567 
2568 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn) {
2569   Function *Func = unwrap<Function>(Fn);
2570   Function::arg_iterator I = Func->arg_end();
2571   if (I == Func->arg_begin())
2572     return nullptr;
2573   return wrap(&*--I);
2574 }
2575 
2576 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg) {
2577   Argument *A = unwrap<Argument>(Arg);
2578   Function *Fn = A->getParent();
2579   if (A->getArgNo() + 1 >= Fn->arg_size())
2580     return nullptr;
2581   return wrap(&Fn->arg_begin()[A->getArgNo() + 1]);
2582 }
2583 
2584 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg) {
2585   Argument *A = unwrap<Argument>(Arg);
2586   if (A->getArgNo() == 0)
2587     return nullptr;
2588   return wrap(&A->getParent()->arg_begin()[A->getArgNo() - 1]);
2589 }
2590 
2591 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned align) {
2592   Argument *A = unwrap<Argument>(Arg);
2593   A->addAttr(Attribute::getWithAlignment(A->getContext(), Align(align)));
2594 }
2595 
2596 /*--.. Operations on ifuncs ................................................--*/
2597 
2598 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2599                                 const char *Name, size_t NameLen,
2600                                 LLVMTypeRef Ty, unsigned AddrSpace,
2601                                 LLVMValueRef Resolver) {
2602   return wrap(GlobalIFunc::create(unwrap(Ty), AddrSpace,
2603                                   GlobalValue::ExternalLinkage,
2604                                   StringRef(Name, NameLen),
2605                                   unwrap<Constant>(Resolver), unwrap(M)));
2606 }
2607 
2608 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2609                                      const char *Name, size_t NameLen) {
2610   return wrap(unwrap(M)->getNamedIFunc(StringRef(Name, NameLen)));
2611 }
2612 
2613 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M) {
2614   Module *Mod = unwrap(M);
2615   Module::ifunc_iterator I = Mod->ifunc_begin();
2616   if (I == Mod->ifunc_end())
2617     return nullptr;
2618   return wrap(&*I);
2619 }
2620 
2621 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M) {
2622   Module *Mod = unwrap(M);
2623   Module::ifunc_iterator I = Mod->ifunc_end();
2624   if (I == Mod->ifunc_begin())
2625     return nullptr;
2626   return wrap(&*--I);
2627 }
2628 
2629 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc) {
2630   GlobalIFunc *GIF = unwrap<GlobalIFunc>(IFunc);
2631   Module::ifunc_iterator I(GIF);
2632   if (++I == GIF->getParent()->ifunc_end())
2633     return nullptr;
2634   return wrap(&*I);
2635 }
2636 
2637 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc) {
2638   GlobalIFunc *GIF = unwrap<GlobalIFunc>(IFunc);
2639   Module::ifunc_iterator I(GIF);
2640   if (I == GIF->getParent()->ifunc_begin())
2641     return nullptr;
2642   return wrap(&*--I);
2643 }
2644 
2645 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc) {
2646   return wrap(unwrap<GlobalIFunc>(IFunc)->getResolver());
2647 }
2648 
2649 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver) {
2650   unwrap<GlobalIFunc>(IFunc)->setResolver(unwrap<Constant>(Resolver));
2651 }
2652 
2653 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc) {
2654   unwrap<GlobalIFunc>(IFunc)->eraseFromParent();
2655 }
2656 
2657 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc) {
2658   unwrap<GlobalIFunc>(IFunc)->removeFromParent();
2659 }
2660 
2661 /*--.. Operations on basic blocks ..........................................--*/
2662 
2663 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB) {
2664   return wrap(static_cast<Value*>(unwrap(BB)));
2665 }
2666 
2667 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val) {
2668   return isa<BasicBlock>(unwrap(Val));
2669 }
2670 
2671 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val) {
2672   return wrap(unwrap<BasicBlock>(Val));
2673 }
2674 
2675 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB) {
2676   return unwrap(BB)->getName().data();
2677 }
2678 
2679 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB) {
2680   return wrap(unwrap(BB)->getParent());
2681 }
2682 
2683 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB) {
2684   return wrap(unwrap(BB)->getTerminator());
2685 }
2686 
2687 unsigned LLVMCountBasicBlocks(LLVMValueRef FnRef) {
2688   return unwrap<Function>(FnRef)->size();
2689 }
2690 
2691 void LLVMGetBasicBlocks(LLVMValueRef FnRef, LLVMBasicBlockRef *BasicBlocksRefs){
2692   Function *Fn = unwrap<Function>(FnRef);
2693   for (BasicBlock &BB : *Fn)
2694     *BasicBlocksRefs++ = wrap(&BB);
2695 }
2696 
2697 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn) {
2698   return wrap(&unwrap<Function>(Fn)->getEntryBlock());
2699 }
2700 
2701 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn) {
2702   Function *Func = unwrap<Function>(Fn);
2703   Function::iterator I = Func->begin();
2704   if (I == Func->end())
2705     return nullptr;
2706   return wrap(&*I);
2707 }
2708 
2709 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn) {
2710   Function *Func = unwrap<Function>(Fn);
2711   Function::iterator I = Func->end();
2712   if (I == Func->begin())
2713     return nullptr;
2714   return wrap(&*--I);
2715 }
2716 
2717 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB) {
2718   BasicBlock *Block = unwrap(BB);
2719   Function::iterator I(Block);
2720   if (++I == Block->getParent()->end())
2721     return nullptr;
2722   return wrap(&*I);
2723 }
2724 
2725 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB) {
2726   BasicBlock *Block = unwrap(BB);
2727   Function::iterator I(Block);
2728   if (I == Block->getParent()->begin())
2729     return nullptr;
2730   return wrap(&*--I);
2731 }
2732 
2733 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
2734                                                 const char *Name) {
2735   return wrap(llvm::BasicBlock::Create(*unwrap(C), Name));
2736 }
2737 
2738 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
2739                                                   LLVMBasicBlockRef BB) {
2740   BasicBlock *ToInsert = unwrap(BB);
2741   BasicBlock *CurBB = unwrap(Builder)->GetInsertBlock();
2742   assert(CurBB && "current insertion point is invalid!");
2743   CurBB->getParent()->getBasicBlockList().insertAfter(CurBB->getIterator(),
2744                                                       ToInsert);
2745 }
2746 
2747 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
2748                                   LLVMBasicBlockRef BB) {
2749   unwrap<Function>(Fn)->getBasicBlockList().push_back(unwrap(BB));
2750 }
2751 
2752 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2753                                                 LLVMValueRef FnRef,
2754                                                 const char *Name) {
2755   return wrap(BasicBlock::Create(*unwrap(C), Name, unwrap<Function>(FnRef)));
2756 }
2757 
2758 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef FnRef, const char *Name) {
2759   return LLVMAppendBasicBlockInContext(LLVMGetGlobalContext(), FnRef, Name);
2760 }
2761 
2762 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2763                                                 LLVMBasicBlockRef BBRef,
2764                                                 const char *Name) {
2765   BasicBlock *BB = unwrap(BBRef);
2766   return wrap(BasicBlock::Create(*unwrap(C), Name, BB->getParent(), BB));
2767 }
2768 
2769 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef BBRef,
2770                                        const char *Name) {
2771   return LLVMInsertBasicBlockInContext(LLVMGetGlobalContext(), BBRef, Name);
2772 }
2773 
2774 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BBRef) {
2775   unwrap(BBRef)->eraseFromParent();
2776 }
2777 
2778 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BBRef) {
2779   unwrap(BBRef)->removeFromParent();
2780 }
2781 
2782 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
2783   unwrap(BB)->moveBefore(unwrap(MovePos));
2784 }
2785 
2786 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
2787   unwrap(BB)->moveAfter(unwrap(MovePos));
2788 }
2789 
2790 /*--.. Operations on instructions ..........................................--*/
2791 
2792 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst) {
2793   return wrap(unwrap<Instruction>(Inst)->getParent());
2794 }
2795 
2796 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB) {
2797   BasicBlock *Block = unwrap(BB);
2798   BasicBlock::iterator I = Block->begin();
2799   if (I == Block->end())
2800     return nullptr;
2801   return wrap(&*I);
2802 }
2803 
2804 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB) {
2805   BasicBlock *Block = unwrap(BB);
2806   BasicBlock::iterator I = Block->end();
2807   if (I == Block->begin())
2808     return nullptr;
2809   return wrap(&*--I);
2810 }
2811 
2812 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst) {
2813   Instruction *Instr = unwrap<Instruction>(Inst);
2814   BasicBlock::iterator I(Instr);
2815   if (++I == Instr->getParent()->end())
2816     return nullptr;
2817   return wrap(&*I);
2818 }
2819 
2820 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst) {
2821   Instruction *Instr = unwrap<Instruction>(Inst);
2822   BasicBlock::iterator I(Instr);
2823   if (I == Instr->getParent()->begin())
2824     return nullptr;
2825   return wrap(&*--I);
2826 }
2827 
2828 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst) {
2829   unwrap<Instruction>(Inst)->removeFromParent();
2830 }
2831 
2832 void LLVMInstructionEraseFromParent(LLVMValueRef Inst) {
2833   unwrap<Instruction>(Inst)->eraseFromParent();
2834 }
2835 
2836 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst) {
2837   if (ICmpInst *I = dyn_cast<ICmpInst>(unwrap(Inst)))
2838     return (LLVMIntPredicate)I->getPredicate();
2839   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(unwrap(Inst)))
2840     if (CE->getOpcode() == Instruction::ICmp)
2841       return (LLVMIntPredicate)CE->getPredicate();
2842   return (LLVMIntPredicate)0;
2843 }
2844 
2845 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst) {
2846   if (FCmpInst *I = dyn_cast<FCmpInst>(unwrap(Inst)))
2847     return (LLVMRealPredicate)I->getPredicate();
2848   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(unwrap(Inst)))
2849     if (CE->getOpcode() == Instruction::FCmp)
2850       return (LLVMRealPredicate)CE->getPredicate();
2851   return (LLVMRealPredicate)0;
2852 }
2853 
2854 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst) {
2855   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2856     return map_to_llvmopcode(C->getOpcode());
2857   return (LLVMOpcode)0;
2858 }
2859 
2860 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst) {
2861   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2862     return wrap(C->clone());
2863   return nullptr;
2864 }
2865 
2866 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst) {
2867   Instruction *I = dyn_cast<Instruction>(unwrap(Inst));
2868   return (I && I->isTerminator()) ? wrap(I) : nullptr;
2869 }
2870 
2871 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr) {
2872   if (FuncletPadInst *FPI = dyn_cast<FuncletPadInst>(unwrap(Instr))) {
2873     return FPI->getNumArgOperands();
2874   }
2875   return unwrap<CallBase>(Instr)->arg_size();
2876 }
2877 
2878 /*--.. Call and invoke instructions ........................................--*/
2879 
2880 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr) {
2881   return unwrap<CallBase>(Instr)->getCallingConv();
2882 }
2883 
2884 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC) {
2885   return unwrap<CallBase>(Instr)->setCallingConv(
2886       static_cast<CallingConv::ID>(CC));
2887 }
2888 
2889 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, LLVMAttributeIndex Idx,
2890                                 unsigned align) {
2891   auto *Call = unwrap<CallBase>(Instr);
2892   Attribute AlignAttr =
2893       Attribute::getWithAlignment(Call->getContext(), Align(align));
2894   Call->addAttributeAtIndex(Idx, AlignAttr);
2895 }
2896 
2897 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2898                               LLVMAttributeRef A) {
2899   unwrap<CallBase>(C)->addAttributeAtIndex(Idx, unwrap(A));
2900 }
2901 
2902 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C,
2903                                        LLVMAttributeIndex Idx) {
2904   auto *Call = unwrap<CallBase>(C);
2905   auto AS = Call->getAttributes().getAttributes(Idx);
2906   return AS.getNumAttributes();
2907 }
2908 
2909 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
2910                                LLVMAttributeRef *Attrs) {
2911   auto *Call = unwrap<CallBase>(C);
2912   auto AS = Call->getAttributes().getAttributes(Idx);
2913   for (auto A : AS)
2914     *Attrs++ = wrap(A);
2915 }
2916 
2917 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
2918                                               LLVMAttributeIndex Idx,
2919                                               unsigned KindID) {
2920   return wrap(unwrap<CallBase>(C)->getAttributeAtIndex(
2921       Idx, (Attribute::AttrKind)KindID));
2922 }
2923 
2924 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
2925                                                 LLVMAttributeIndex Idx,
2926                                                 const char *K, unsigned KLen) {
2927   return wrap(
2928       unwrap<CallBase>(C)->getAttributeAtIndex(Idx, StringRef(K, KLen)));
2929 }
2930 
2931 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2932                                      unsigned KindID) {
2933   unwrap<CallBase>(C)->removeAttributeAtIndex(Idx, (Attribute::AttrKind)KindID);
2934 }
2935 
2936 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2937                                        const char *K, unsigned KLen) {
2938   unwrap<CallBase>(C)->removeAttributeAtIndex(Idx, StringRef(K, KLen));
2939 }
2940 
2941 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr) {
2942   return wrap(unwrap<CallBase>(Instr)->getCalledOperand());
2943 }
2944 
2945 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef Instr) {
2946   return wrap(unwrap<CallBase>(Instr)->getFunctionType());
2947 }
2948 
2949 /*--.. Operations on call instructions (only) ..............................--*/
2950 
2951 LLVMBool LLVMIsTailCall(LLVMValueRef Call) {
2952   return unwrap<CallInst>(Call)->isTailCall();
2953 }
2954 
2955 void LLVMSetTailCall(LLVMValueRef Call, LLVMBool isTailCall) {
2956   unwrap<CallInst>(Call)->setTailCall(isTailCall);
2957 }
2958 
2959 /*--.. Operations on invoke instructions (only) ............................--*/
2960 
2961 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef Invoke) {
2962   return wrap(unwrap<InvokeInst>(Invoke)->getNormalDest());
2963 }
2964 
2965 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef Invoke) {
2966   if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(unwrap(Invoke))) {
2967     return wrap(CRI->getUnwindDest());
2968   } else if (CatchSwitchInst *CSI = dyn_cast<CatchSwitchInst>(unwrap(Invoke))) {
2969     return wrap(CSI->getUnwindDest());
2970   }
2971   return wrap(unwrap<InvokeInst>(Invoke)->getUnwindDest());
2972 }
2973 
2974 void LLVMSetNormalDest(LLVMValueRef Invoke, LLVMBasicBlockRef B) {
2975   unwrap<InvokeInst>(Invoke)->setNormalDest(unwrap(B));
2976 }
2977 
2978 void LLVMSetUnwindDest(LLVMValueRef Invoke, LLVMBasicBlockRef B) {
2979   if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(unwrap(Invoke))) {
2980     return CRI->setUnwindDest(unwrap(B));
2981   } else if (CatchSwitchInst *CSI = dyn_cast<CatchSwitchInst>(unwrap(Invoke))) {
2982     return CSI->setUnwindDest(unwrap(B));
2983   }
2984   unwrap<InvokeInst>(Invoke)->setUnwindDest(unwrap(B));
2985 }
2986 
2987 /*--.. Operations on terminators ...........................................--*/
2988 
2989 unsigned LLVMGetNumSuccessors(LLVMValueRef Term) {
2990   return unwrap<Instruction>(Term)->getNumSuccessors();
2991 }
2992 
2993 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i) {
2994   return wrap(unwrap<Instruction>(Term)->getSuccessor(i));
2995 }
2996 
2997 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block) {
2998   return unwrap<Instruction>(Term)->setSuccessor(i, unwrap(block));
2999 }
3000 
3001 /*--.. Operations on branch instructions (only) ............................--*/
3002 
3003 LLVMBool LLVMIsConditional(LLVMValueRef Branch) {
3004   return unwrap<BranchInst>(Branch)->isConditional();
3005 }
3006 
3007 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch) {
3008   return wrap(unwrap<BranchInst>(Branch)->getCondition());
3009 }
3010 
3011 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond) {
3012   return unwrap<BranchInst>(Branch)->setCondition(unwrap(Cond));
3013 }
3014 
3015 /*--.. Operations on switch instructions (only) ............................--*/
3016 
3017 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef Switch) {
3018   return wrap(unwrap<SwitchInst>(Switch)->getDefaultDest());
3019 }
3020 
3021 /*--.. Operations on alloca instructions (only) ............................--*/
3022 
3023 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca) {
3024   return wrap(unwrap<AllocaInst>(Alloca)->getAllocatedType());
3025 }
3026 
3027 /*--.. Operations on gep instructions (only) ...............................--*/
3028 
3029 LLVMBool LLVMIsInBounds(LLVMValueRef GEP) {
3030   return unwrap<GEPOperator>(GEP)->isInBounds();
3031 }
3032 
3033 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds) {
3034   return unwrap<GetElementPtrInst>(GEP)->setIsInBounds(InBounds);
3035 }
3036 
3037 LLVMTypeRef LLVMGetGEPSourceElementType(LLVMValueRef GEP) {
3038   return wrap(unwrap<GEPOperator>(GEP)->getSourceElementType());
3039 }
3040 
3041 /*--.. Operations on phi nodes .............................................--*/
3042 
3043 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3044                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count) {
3045   PHINode *PhiVal = unwrap<PHINode>(PhiNode);
3046   for (unsigned I = 0; I != Count; ++I)
3047     PhiVal->addIncoming(unwrap(IncomingValues[I]), unwrap(IncomingBlocks[I]));
3048 }
3049 
3050 unsigned LLVMCountIncoming(LLVMValueRef PhiNode) {
3051   return unwrap<PHINode>(PhiNode)->getNumIncomingValues();
3052 }
3053 
3054 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index) {
3055   return wrap(unwrap<PHINode>(PhiNode)->getIncomingValue(Index));
3056 }
3057 
3058 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index) {
3059   return wrap(unwrap<PHINode>(PhiNode)->getIncomingBlock(Index));
3060 }
3061 
3062 /*--.. Operations on extractvalue and insertvalue nodes ....................--*/
3063 
3064 unsigned LLVMGetNumIndices(LLVMValueRef Inst) {
3065   auto *I = unwrap(Inst);
3066   if (auto *GEP = dyn_cast<GEPOperator>(I))
3067     return GEP->getNumIndices();
3068   if (auto *EV = dyn_cast<ExtractValueInst>(I))
3069     return EV->getNumIndices();
3070   if (auto *IV = dyn_cast<InsertValueInst>(I))
3071     return IV->getNumIndices();
3072   if (auto *CE = dyn_cast<ConstantExpr>(I))
3073     return CE->getIndices().size();
3074   llvm_unreachable(
3075     "LLVMGetNumIndices applies only to extractvalue and insertvalue!");
3076 }
3077 
3078 const unsigned *LLVMGetIndices(LLVMValueRef Inst) {
3079   auto *I = unwrap(Inst);
3080   if (auto *EV = dyn_cast<ExtractValueInst>(I))
3081     return EV->getIndices().data();
3082   if (auto *IV = dyn_cast<InsertValueInst>(I))
3083     return IV->getIndices().data();
3084   if (auto *CE = dyn_cast<ConstantExpr>(I))
3085     return CE->getIndices().data();
3086   llvm_unreachable(
3087     "LLVMGetIndices applies only to extractvalue and insertvalue!");
3088 }
3089 
3090 
3091 /*===-- Instruction builders ----------------------------------------------===*/
3092 
3093 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C) {
3094   return wrap(new IRBuilder<>(*unwrap(C)));
3095 }
3096 
3097 LLVMBuilderRef LLVMCreateBuilder(void) {
3098   return LLVMCreateBuilderInContext(LLVMGetGlobalContext());
3099 }
3100 
3101 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3102                          LLVMValueRef Instr) {
3103   BasicBlock *BB = unwrap(Block);
3104   auto I = Instr ? unwrap<Instruction>(Instr)->getIterator() : BB->end();
3105   unwrap(Builder)->SetInsertPoint(BB, I);
3106 }
3107 
3108 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr) {
3109   Instruction *I = unwrap<Instruction>(Instr);
3110   unwrap(Builder)->SetInsertPoint(I->getParent(), I->getIterator());
3111 }
3112 
3113 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block) {
3114   BasicBlock *BB = unwrap(Block);
3115   unwrap(Builder)->SetInsertPoint(BB);
3116 }
3117 
3118 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder) {
3119    return wrap(unwrap(Builder)->GetInsertBlock());
3120 }
3121 
3122 void LLVMClearInsertionPosition(LLVMBuilderRef Builder) {
3123   unwrap(Builder)->ClearInsertionPoint();
3124 }
3125 
3126 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr) {
3127   unwrap(Builder)->Insert(unwrap<Instruction>(Instr));
3128 }
3129 
3130 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3131                                    const char *Name) {
3132   unwrap(Builder)->Insert(unwrap<Instruction>(Instr), Name);
3133 }
3134 
3135 void LLVMDisposeBuilder(LLVMBuilderRef Builder) {
3136   delete unwrap(Builder);
3137 }
3138 
3139 /*--.. Metadata builders ...................................................--*/
3140 
3141 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder) {
3142   return wrap(unwrap(Builder)->getCurrentDebugLocation().getAsMDNode());
3143 }
3144 
3145 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc) {
3146   if (Loc)
3147     unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(unwrap<MDNode>(Loc)));
3148   else
3149     unwrap(Builder)->SetCurrentDebugLocation(DebugLoc());
3150 }
3151 
3152 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L) {
3153   MDNode *Loc =
3154       L ? cast<MDNode>(unwrap<MetadataAsValue>(L)->getMetadata()) : nullptr;
3155   unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(Loc));
3156 }
3157 
3158 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder) {
3159   LLVMContext &Context = unwrap(Builder)->getContext();
3160   return wrap(MetadataAsValue::get(
3161       Context, unwrap(Builder)->getCurrentDebugLocation().getAsMDNode()));
3162 }
3163 
3164 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst) {
3165   unwrap(Builder)->SetInstDebugLocation(unwrap<Instruction>(Inst));
3166 }
3167 
3168 void LLVMAddMetadataToInst(LLVMBuilderRef Builder, LLVMValueRef Inst) {
3169   unwrap(Builder)->AddMetadataToInst(unwrap<Instruction>(Inst));
3170 }
3171 
3172 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3173                                     LLVMMetadataRef FPMathTag) {
3174 
3175   unwrap(Builder)->setDefaultFPMathTag(FPMathTag
3176                                        ? unwrap<MDNode>(FPMathTag)
3177                                        : nullptr);
3178 }
3179 
3180 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder) {
3181   return wrap(unwrap(Builder)->getDefaultFPMathTag());
3182 }
3183 
3184 /*--.. Instruction builders ................................................--*/
3185 
3186 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef B) {
3187   return wrap(unwrap(B)->CreateRetVoid());
3188 }
3189 
3190 LLVMValueRef LLVMBuildRet(LLVMBuilderRef B, LLVMValueRef V) {
3191   return wrap(unwrap(B)->CreateRet(unwrap(V)));
3192 }
3193 
3194 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef B, LLVMValueRef *RetVals,
3195                                    unsigned N) {
3196   return wrap(unwrap(B)->CreateAggregateRet(unwrap(RetVals), N));
3197 }
3198 
3199 LLVMValueRef LLVMBuildBr(LLVMBuilderRef B, LLVMBasicBlockRef Dest) {
3200   return wrap(unwrap(B)->CreateBr(unwrap(Dest)));
3201 }
3202 
3203 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef B, LLVMValueRef If,
3204                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else) {
3205   return wrap(unwrap(B)->CreateCondBr(unwrap(If), unwrap(Then), unwrap(Else)));
3206 }
3207 
3208 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef B, LLVMValueRef V,
3209                              LLVMBasicBlockRef Else, unsigned NumCases) {
3210   return wrap(unwrap(B)->CreateSwitch(unwrap(V), unwrap(Else), NumCases));
3211 }
3212 
3213 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3214                                  unsigned NumDests) {
3215   return wrap(unwrap(B)->CreateIndirectBr(unwrap(Addr), NumDests));
3216 }
3217 
3218 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef B, LLVMValueRef Fn,
3219                              LLVMValueRef *Args, unsigned NumArgs,
3220                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3221                              const char *Name) {
3222   Value *V = unwrap(Fn);
3223   FunctionType *FnT =
3224       cast<FunctionType>(V->getType()->getNonOpaquePointerElementType());
3225 
3226   return wrap(
3227       unwrap(B)->CreateInvoke(FnT, unwrap(Fn), unwrap(Then), unwrap(Catch),
3228                               makeArrayRef(unwrap(Args), NumArgs), Name));
3229 }
3230 
3231 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
3232                               LLVMValueRef *Args, unsigned NumArgs,
3233                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3234                               const char *Name) {
3235   return wrap(unwrap(B)->CreateInvoke(
3236       unwrap<FunctionType>(Ty), unwrap(Fn), unwrap(Then), unwrap(Catch),
3237       makeArrayRef(unwrap(Args), NumArgs), Name));
3238 }
3239 
3240 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3241                                  LLVMValueRef PersFn, unsigned NumClauses,
3242                                  const char *Name) {
3243   // The personality used to live on the landingpad instruction, but now it
3244   // lives on the parent function. For compatibility, take the provided
3245   // personality and put it on the parent function.
3246   if (PersFn)
3247     unwrap(B)->GetInsertBlock()->getParent()->setPersonalityFn(
3248         cast<Function>(unwrap(PersFn)));
3249   return wrap(unwrap(B)->CreateLandingPad(unwrap(Ty), NumClauses, Name));
3250 }
3251 
3252 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3253                                LLVMValueRef *Args, unsigned NumArgs,
3254                                const char *Name) {
3255   return wrap(unwrap(B)->CreateCatchPad(unwrap(ParentPad),
3256                                         makeArrayRef(unwrap(Args), NumArgs),
3257                                         Name));
3258 }
3259 
3260 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3261                                  LLVMValueRef *Args, unsigned NumArgs,
3262                                  const char *Name) {
3263   if (ParentPad == nullptr) {
3264     Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
3265     ParentPad = wrap(Constant::getNullValue(Ty));
3266   }
3267   return wrap(unwrap(B)->CreateCleanupPad(unwrap(ParentPad),
3268                                           makeArrayRef(unwrap(Args), NumArgs),
3269                                           Name));
3270 }
3271 
3272 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn) {
3273   return wrap(unwrap(B)->CreateResume(unwrap(Exn)));
3274 }
3275 
3276 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3277                                   LLVMBasicBlockRef UnwindBB,
3278                                   unsigned NumHandlers, const char *Name) {
3279   if (ParentPad == nullptr) {
3280     Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
3281     ParentPad = wrap(Constant::getNullValue(Ty));
3282   }
3283   return wrap(unwrap(B)->CreateCatchSwitch(unwrap(ParentPad), unwrap(UnwindBB),
3284                                            NumHandlers, Name));
3285 }
3286 
3287 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3288                                LLVMBasicBlockRef BB) {
3289   return wrap(unwrap(B)->CreateCatchRet(unwrap<CatchPadInst>(CatchPad),
3290                                         unwrap(BB)));
3291 }
3292 
3293 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3294                                  LLVMBasicBlockRef BB) {
3295   return wrap(unwrap(B)->CreateCleanupRet(unwrap<CleanupPadInst>(CatchPad),
3296                                           unwrap(BB)));
3297 }
3298 
3299 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef B) {
3300   return wrap(unwrap(B)->CreateUnreachable());
3301 }
3302 
3303 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3304                  LLVMBasicBlockRef Dest) {
3305   unwrap<SwitchInst>(Switch)->addCase(unwrap<ConstantInt>(OnVal), unwrap(Dest));
3306 }
3307 
3308 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest) {
3309   unwrap<IndirectBrInst>(IndirectBr)->addDestination(unwrap(Dest));
3310 }
3311 
3312 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad) {
3313   return unwrap<LandingPadInst>(LandingPad)->getNumClauses();
3314 }
3315 
3316 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx) {
3317   return wrap(unwrap<LandingPadInst>(LandingPad)->getClause(Idx));
3318 }
3319 
3320 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal) {
3321   unwrap<LandingPadInst>(LandingPad)->
3322     addClause(cast<Constant>(unwrap(ClauseVal)));
3323 }
3324 
3325 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad) {
3326   return unwrap<LandingPadInst>(LandingPad)->isCleanup();
3327 }
3328 
3329 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val) {
3330   unwrap<LandingPadInst>(LandingPad)->setCleanup(Val);
3331 }
3332 
3333 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest) {
3334   unwrap<CatchSwitchInst>(CatchSwitch)->addHandler(unwrap(Dest));
3335 }
3336 
3337 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch) {
3338   return unwrap<CatchSwitchInst>(CatchSwitch)->getNumHandlers();
3339 }
3340 
3341 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers) {
3342   CatchSwitchInst *CSI = unwrap<CatchSwitchInst>(CatchSwitch);
3343   for (const BasicBlock *H : CSI->handlers())
3344     *Handlers++ = wrap(H);
3345 }
3346 
3347 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad) {
3348   return wrap(unwrap<CatchPadInst>(CatchPad)->getCatchSwitch());
3349 }
3350 
3351 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch) {
3352   unwrap<CatchPadInst>(CatchPad)
3353     ->setCatchSwitch(unwrap<CatchSwitchInst>(CatchSwitch));
3354 }
3355 
3356 /*--.. Funclets ...........................................................--*/
3357 
3358 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i) {
3359   return wrap(unwrap<FuncletPadInst>(Funclet)->getArgOperand(i));
3360 }
3361 
3362 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value) {
3363   unwrap<FuncletPadInst>(Funclet)->setArgOperand(i, unwrap(value));
3364 }
3365 
3366 /*--.. Arithmetic ..........................................................--*/
3367 
3368 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3369                           const char *Name) {
3370   return wrap(unwrap(B)->CreateAdd(unwrap(LHS), unwrap(RHS), Name));
3371 }
3372 
3373 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3374                           const char *Name) {
3375   return wrap(unwrap(B)->CreateNSWAdd(unwrap(LHS), unwrap(RHS), Name));
3376 }
3377 
3378 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3379                           const char *Name) {
3380   return wrap(unwrap(B)->CreateNUWAdd(unwrap(LHS), unwrap(RHS), Name));
3381 }
3382 
3383 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3384                           const char *Name) {
3385   return wrap(unwrap(B)->CreateFAdd(unwrap(LHS), unwrap(RHS), Name));
3386 }
3387 
3388 LLVMValueRef LLVMBuildSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3389                           const char *Name) {
3390   return wrap(unwrap(B)->CreateSub(unwrap(LHS), unwrap(RHS), Name));
3391 }
3392 
3393 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3394                           const char *Name) {
3395   return wrap(unwrap(B)->CreateNSWSub(unwrap(LHS), unwrap(RHS), Name));
3396 }
3397 
3398 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3399                           const char *Name) {
3400   return wrap(unwrap(B)->CreateNUWSub(unwrap(LHS), unwrap(RHS), Name));
3401 }
3402 
3403 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3404                           const char *Name) {
3405   return wrap(unwrap(B)->CreateFSub(unwrap(LHS), unwrap(RHS), Name));
3406 }
3407 
3408 LLVMValueRef LLVMBuildMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3409                           const char *Name) {
3410   return wrap(unwrap(B)->CreateMul(unwrap(LHS), unwrap(RHS), Name));
3411 }
3412 
3413 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3414                           const char *Name) {
3415   return wrap(unwrap(B)->CreateNSWMul(unwrap(LHS), unwrap(RHS), Name));
3416 }
3417 
3418 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3419                           const char *Name) {
3420   return wrap(unwrap(B)->CreateNUWMul(unwrap(LHS), unwrap(RHS), Name));
3421 }
3422 
3423 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3424                           const char *Name) {
3425   return wrap(unwrap(B)->CreateFMul(unwrap(LHS), unwrap(RHS), Name));
3426 }
3427 
3428 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3429                            const char *Name) {
3430   return wrap(unwrap(B)->CreateUDiv(unwrap(LHS), unwrap(RHS), Name));
3431 }
3432 
3433 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef B, LLVMValueRef LHS,
3434                                 LLVMValueRef RHS, const char *Name) {
3435   return wrap(unwrap(B)->CreateExactUDiv(unwrap(LHS), unwrap(RHS), Name));
3436 }
3437 
3438 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3439                            const char *Name) {
3440   return wrap(unwrap(B)->CreateSDiv(unwrap(LHS), unwrap(RHS), Name));
3441 }
3442 
3443 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef B, LLVMValueRef LHS,
3444                                 LLVMValueRef RHS, const char *Name) {
3445   return wrap(unwrap(B)->CreateExactSDiv(unwrap(LHS), unwrap(RHS), Name));
3446 }
3447 
3448 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3449                            const char *Name) {
3450   return wrap(unwrap(B)->CreateFDiv(unwrap(LHS), unwrap(RHS), Name));
3451 }
3452 
3453 LLVMValueRef LLVMBuildURem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3454                            const char *Name) {
3455   return wrap(unwrap(B)->CreateURem(unwrap(LHS), unwrap(RHS), Name));
3456 }
3457 
3458 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3459                            const char *Name) {
3460   return wrap(unwrap(B)->CreateSRem(unwrap(LHS), unwrap(RHS), Name));
3461 }
3462 
3463 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3464                            const char *Name) {
3465   return wrap(unwrap(B)->CreateFRem(unwrap(LHS), unwrap(RHS), Name));
3466 }
3467 
3468 LLVMValueRef LLVMBuildShl(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3469                           const char *Name) {
3470   return wrap(unwrap(B)->CreateShl(unwrap(LHS), unwrap(RHS), Name));
3471 }
3472 
3473 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3474                            const char *Name) {
3475   return wrap(unwrap(B)->CreateLShr(unwrap(LHS), unwrap(RHS), Name));
3476 }
3477 
3478 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3479                            const char *Name) {
3480   return wrap(unwrap(B)->CreateAShr(unwrap(LHS), unwrap(RHS), Name));
3481 }
3482 
3483 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3484                           const char *Name) {
3485   return wrap(unwrap(B)->CreateAnd(unwrap(LHS), unwrap(RHS), Name));
3486 }
3487 
3488 LLVMValueRef LLVMBuildOr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3489                          const char *Name) {
3490   return wrap(unwrap(B)->CreateOr(unwrap(LHS), unwrap(RHS), Name));
3491 }
3492 
3493 LLVMValueRef LLVMBuildXor(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3494                           const char *Name) {
3495   return wrap(unwrap(B)->CreateXor(unwrap(LHS), unwrap(RHS), Name));
3496 }
3497 
3498 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3499                             LLVMValueRef LHS, LLVMValueRef RHS,
3500                             const char *Name) {
3501   return wrap(unwrap(B)->CreateBinOp(Instruction::BinaryOps(map_from_llvmopcode(Op)), unwrap(LHS),
3502                                      unwrap(RHS), Name));
3503 }
3504 
3505 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3506   return wrap(unwrap(B)->CreateNeg(unwrap(V), Name));
3507 }
3508 
3509 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3510                              const char *Name) {
3511   return wrap(unwrap(B)->CreateNSWNeg(unwrap(V), Name));
3512 }
3513 
3514 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3515                              const char *Name) {
3516   return wrap(unwrap(B)->CreateNUWNeg(unwrap(V), Name));
3517 }
3518 
3519 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3520   return wrap(unwrap(B)->CreateFNeg(unwrap(V), Name));
3521 }
3522 
3523 LLVMValueRef LLVMBuildNot(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3524   return wrap(unwrap(B)->CreateNot(unwrap(V), Name));
3525 }
3526 
3527 /*--.. Memory ..............................................................--*/
3528 
3529 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
3530                              const char *Name) {
3531   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
3532   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
3533   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
3534   Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),
3535                                                ITy, unwrap(Ty), AllocSize,
3536                                                nullptr, nullptr, "");
3537   return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));
3538 }
3539 
3540 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
3541                                   LLVMValueRef Val, const char *Name) {
3542   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
3543   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
3544   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
3545   Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),
3546                                                ITy, unwrap(Ty), AllocSize,
3547                                                unwrap(Val), nullptr, "");
3548   return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));
3549 }
3550 
3551 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3552                              LLVMValueRef Val, LLVMValueRef Len,
3553                              unsigned Align) {
3554   return wrap(unwrap(B)->CreateMemSet(unwrap(Ptr), unwrap(Val), unwrap(Len),
3555                                       MaybeAlign(Align)));
3556 }
3557 
3558 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3559                              LLVMValueRef Dst, unsigned DstAlign,
3560                              LLVMValueRef Src, unsigned SrcAlign,
3561                              LLVMValueRef Size) {
3562   return wrap(unwrap(B)->CreateMemCpy(unwrap(Dst), MaybeAlign(DstAlign),
3563                                       unwrap(Src), MaybeAlign(SrcAlign),
3564                                       unwrap(Size)));
3565 }
3566 
3567 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3568                               LLVMValueRef Dst, unsigned DstAlign,
3569                               LLVMValueRef Src, unsigned SrcAlign,
3570                               LLVMValueRef Size) {
3571   return wrap(unwrap(B)->CreateMemMove(unwrap(Dst), MaybeAlign(DstAlign),
3572                                        unwrap(Src), MaybeAlign(SrcAlign),
3573                                        unwrap(Size)));
3574 }
3575 
3576 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
3577                              const char *Name) {
3578   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), nullptr, Name));
3579 }
3580 
3581 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
3582                                   LLVMValueRef Val, const char *Name) {
3583   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), unwrap(Val), Name));
3584 }
3585 
3586 LLVMValueRef LLVMBuildFree(LLVMBuilderRef B, LLVMValueRef PointerVal) {
3587   return wrap(unwrap(B)->Insert(
3588      CallInst::CreateFree(unwrap(PointerVal), unwrap(B)->GetInsertBlock())));
3589 }
3590 
3591 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef B, LLVMValueRef PointerVal,
3592                            const char *Name) {
3593   Value *V = unwrap(PointerVal);
3594   PointerType *Ty = cast<PointerType>(V->getType());
3595 
3596   return wrap(
3597       unwrap(B)->CreateLoad(Ty->getNonOpaquePointerElementType(), V, Name));
3598 }
3599 
3600 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef B, LLVMTypeRef Ty,
3601                             LLVMValueRef PointerVal, const char *Name) {
3602   return wrap(unwrap(B)->CreateLoad(unwrap(Ty), unwrap(PointerVal), Name));
3603 }
3604 
3605 LLVMValueRef LLVMBuildStore(LLVMBuilderRef B, LLVMValueRef Val,
3606                             LLVMValueRef PointerVal) {
3607   return wrap(unwrap(B)->CreateStore(unwrap(Val), unwrap(PointerVal)));
3608 }
3609 
3610 static AtomicOrdering mapFromLLVMOrdering(LLVMAtomicOrdering Ordering) {
3611   switch (Ordering) {
3612     case LLVMAtomicOrderingNotAtomic: return AtomicOrdering::NotAtomic;
3613     case LLVMAtomicOrderingUnordered: return AtomicOrdering::Unordered;
3614     case LLVMAtomicOrderingMonotonic: return AtomicOrdering::Monotonic;
3615     case LLVMAtomicOrderingAcquire: return AtomicOrdering::Acquire;
3616     case LLVMAtomicOrderingRelease: return AtomicOrdering::Release;
3617     case LLVMAtomicOrderingAcquireRelease:
3618       return AtomicOrdering::AcquireRelease;
3619     case LLVMAtomicOrderingSequentiallyConsistent:
3620       return AtomicOrdering::SequentiallyConsistent;
3621   }
3622 
3623   llvm_unreachable("Invalid LLVMAtomicOrdering value!");
3624 }
3625 
3626 static LLVMAtomicOrdering mapToLLVMOrdering(AtomicOrdering Ordering) {
3627   switch (Ordering) {
3628     case AtomicOrdering::NotAtomic: return LLVMAtomicOrderingNotAtomic;
3629     case AtomicOrdering::Unordered: return LLVMAtomicOrderingUnordered;
3630     case AtomicOrdering::Monotonic: return LLVMAtomicOrderingMonotonic;
3631     case AtomicOrdering::Acquire: return LLVMAtomicOrderingAcquire;
3632     case AtomicOrdering::Release: return LLVMAtomicOrderingRelease;
3633     case AtomicOrdering::AcquireRelease:
3634       return LLVMAtomicOrderingAcquireRelease;
3635     case AtomicOrdering::SequentiallyConsistent:
3636       return LLVMAtomicOrderingSequentiallyConsistent;
3637   }
3638 
3639   llvm_unreachable("Invalid AtomicOrdering value!");
3640 }
3641 
3642 static AtomicRMWInst::BinOp mapFromLLVMRMWBinOp(LLVMAtomicRMWBinOp BinOp) {
3643   switch (BinOp) {
3644     case LLVMAtomicRMWBinOpXchg: return AtomicRMWInst::Xchg;
3645     case LLVMAtomicRMWBinOpAdd: return AtomicRMWInst::Add;
3646     case LLVMAtomicRMWBinOpSub: return AtomicRMWInst::Sub;
3647     case LLVMAtomicRMWBinOpAnd: return AtomicRMWInst::And;
3648     case LLVMAtomicRMWBinOpNand: return AtomicRMWInst::Nand;
3649     case LLVMAtomicRMWBinOpOr: return AtomicRMWInst::Or;
3650     case LLVMAtomicRMWBinOpXor: return AtomicRMWInst::Xor;
3651     case LLVMAtomicRMWBinOpMax: return AtomicRMWInst::Max;
3652     case LLVMAtomicRMWBinOpMin: return AtomicRMWInst::Min;
3653     case LLVMAtomicRMWBinOpUMax: return AtomicRMWInst::UMax;
3654     case LLVMAtomicRMWBinOpUMin: return AtomicRMWInst::UMin;
3655     case LLVMAtomicRMWBinOpFAdd: return AtomicRMWInst::FAdd;
3656     case LLVMAtomicRMWBinOpFSub: return AtomicRMWInst::FSub;
3657   }
3658 
3659   llvm_unreachable("Invalid LLVMAtomicRMWBinOp value!");
3660 }
3661 
3662 static LLVMAtomicRMWBinOp mapToLLVMRMWBinOp(AtomicRMWInst::BinOp BinOp) {
3663   switch (BinOp) {
3664     case AtomicRMWInst::Xchg: return LLVMAtomicRMWBinOpXchg;
3665     case AtomicRMWInst::Add: return LLVMAtomicRMWBinOpAdd;
3666     case AtomicRMWInst::Sub: return LLVMAtomicRMWBinOpSub;
3667     case AtomicRMWInst::And: return LLVMAtomicRMWBinOpAnd;
3668     case AtomicRMWInst::Nand: return LLVMAtomicRMWBinOpNand;
3669     case AtomicRMWInst::Or: return LLVMAtomicRMWBinOpOr;
3670     case AtomicRMWInst::Xor: return LLVMAtomicRMWBinOpXor;
3671     case AtomicRMWInst::Max: return LLVMAtomicRMWBinOpMax;
3672     case AtomicRMWInst::Min: return LLVMAtomicRMWBinOpMin;
3673     case AtomicRMWInst::UMax: return LLVMAtomicRMWBinOpUMax;
3674     case AtomicRMWInst::UMin: return LLVMAtomicRMWBinOpUMin;
3675     case AtomicRMWInst::FAdd: return LLVMAtomicRMWBinOpFAdd;
3676     case AtomicRMWInst::FSub: return LLVMAtomicRMWBinOpFSub;
3677     default: break;
3678   }
3679 
3680   llvm_unreachable("Invalid AtomicRMWBinOp value!");
3681 }
3682 
3683 // TODO: Should this and other atomic instructions support building with
3684 // "syncscope"?
3685 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering Ordering,
3686                             LLVMBool isSingleThread, const char *Name) {
3687   return wrap(
3688     unwrap(B)->CreateFence(mapFromLLVMOrdering(Ordering),
3689                            isSingleThread ? SyncScope::SingleThread
3690                                           : SyncScope::System,
3691                            Name));
3692 }
3693 
3694 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3695                           LLVMValueRef *Indices, unsigned NumIndices,
3696                           const char *Name) {
3697   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3698   Value *Val = unwrap(Pointer);
3699   Type *Ty = Val->getType()->getScalarType()->getNonOpaquePointerElementType();
3700   return wrap(unwrap(B)->CreateGEP(Ty, Val, IdxList, Name));
3701 }
3702 
3703 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3704                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3705                            unsigned NumIndices, const char *Name) {
3706   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3707   return wrap(unwrap(B)->CreateGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name));
3708 }
3709 
3710 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3711                                   LLVMValueRef *Indices, unsigned NumIndices,
3712                                   const char *Name) {
3713   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3714   Value *Val = unwrap(Pointer);
3715   Type *Ty = Val->getType()->getScalarType()->getNonOpaquePointerElementType();
3716   return wrap(unwrap(B)->CreateInBoundsGEP(Ty, Val, IdxList, Name));
3717 }
3718 
3719 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3720                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3721                                    unsigned NumIndices, const char *Name) {
3722   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3723   return wrap(
3724       unwrap(B)->CreateInBoundsGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name));
3725 }
3726 
3727 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3728                                 unsigned Idx, const char *Name) {
3729   Value *Val = unwrap(Pointer);
3730   Type *Ty = Val->getType()->getScalarType()->getNonOpaquePointerElementType();
3731   return wrap(unwrap(B)->CreateStructGEP(Ty, Val, Idx, Name));
3732 }
3733 
3734 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3735                                  LLVMValueRef Pointer, unsigned Idx,
3736                                  const char *Name) {
3737   return wrap(
3738       unwrap(B)->CreateStructGEP(unwrap(Ty), unwrap(Pointer), Idx, Name));
3739 }
3740 
3741 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3742                                    const char *Name) {
3743   return wrap(unwrap(B)->CreateGlobalString(Str, Name));
3744 }
3745 
3746 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3747                                       const char *Name) {
3748   return wrap(unwrap(B)->CreateGlobalStringPtr(Str, Name));
3749 }
3750 
3751 LLVMBool LLVMGetVolatile(LLVMValueRef MemAccessInst) {
3752   Value *P = unwrap<Value>(MemAccessInst);
3753   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3754     return LI->isVolatile();
3755   if (StoreInst *SI = dyn_cast<StoreInst>(P))
3756     return SI->isVolatile();
3757   if (AtomicRMWInst *AI = dyn_cast<AtomicRMWInst>(P))
3758     return AI->isVolatile();
3759   return cast<AtomicCmpXchgInst>(P)->isVolatile();
3760 }
3761 
3762 void LLVMSetVolatile(LLVMValueRef MemAccessInst, LLVMBool isVolatile) {
3763   Value *P = unwrap<Value>(MemAccessInst);
3764   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3765     return LI->setVolatile(isVolatile);
3766   if (StoreInst *SI = dyn_cast<StoreInst>(P))
3767     return SI->setVolatile(isVolatile);
3768   if (AtomicRMWInst *AI = dyn_cast<AtomicRMWInst>(P))
3769     return AI->setVolatile(isVolatile);
3770   return cast<AtomicCmpXchgInst>(P)->setVolatile(isVolatile);
3771 }
3772 
3773 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst) {
3774   return unwrap<AtomicCmpXchgInst>(CmpXchgInst)->isWeak();
3775 }
3776 
3777 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool isWeak) {
3778   return unwrap<AtomicCmpXchgInst>(CmpXchgInst)->setWeak(isWeak);
3779 }
3780 
3781 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemAccessInst) {
3782   Value *P = unwrap<Value>(MemAccessInst);
3783   AtomicOrdering O;
3784   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3785     O = LI->getOrdering();
3786   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
3787     O = SI->getOrdering();
3788   else
3789     O = cast<AtomicRMWInst>(P)->getOrdering();
3790   return mapToLLVMOrdering(O);
3791 }
3792 
3793 void LLVMSetOrdering(LLVMValueRef MemAccessInst, LLVMAtomicOrdering Ordering) {
3794   Value *P = unwrap<Value>(MemAccessInst);
3795   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
3796 
3797   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3798     return LI->setOrdering(O);
3799   return cast<StoreInst>(P)->setOrdering(O);
3800 }
3801 
3802 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef Inst) {
3803   return mapToLLVMRMWBinOp(unwrap<AtomicRMWInst>(Inst)->getOperation());
3804 }
3805 
3806 void LLVMSetAtomicRMWBinOp(LLVMValueRef Inst, LLVMAtomicRMWBinOp BinOp) {
3807   unwrap<AtomicRMWInst>(Inst)->setOperation(mapFromLLVMRMWBinOp(BinOp));
3808 }
3809 
3810 /*--.. Casts ...............................................................--*/
3811 
3812 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef B, LLVMValueRef Val,
3813                             LLVMTypeRef DestTy, const char *Name) {
3814   return wrap(unwrap(B)->CreateTrunc(unwrap(Val), unwrap(DestTy), Name));
3815 }
3816 
3817 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef B, LLVMValueRef Val,
3818                            LLVMTypeRef DestTy, const char *Name) {
3819   return wrap(unwrap(B)->CreateZExt(unwrap(Val), unwrap(DestTy), Name));
3820 }
3821 
3822 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef B, LLVMValueRef Val,
3823                            LLVMTypeRef DestTy, const char *Name) {
3824   return wrap(unwrap(B)->CreateSExt(unwrap(Val), unwrap(DestTy), Name));
3825 }
3826 
3827 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef B, LLVMValueRef Val,
3828                              LLVMTypeRef DestTy, const char *Name) {
3829   return wrap(unwrap(B)->CreateFPToUI(unwrap(Val), unwrap(DestTy), Name));
3830 }
3831 
3832 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef B, LLVMValueRef Val,
3833                              LLVMTypeRef DestTy, const char *Name) {
3834   return wrap(unwrap(B)->CreateFPToSI(unwrap(Val), unwrap(DestTy), Name));
3835 }
3836 
3837 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef B, LLVMValueRef Val,
3838                              LLVMTypeRef DestTy, const char *Name) {
3839   return wrap(unwrap(B)->CreateUIToFP(unwrap(Val), unwrap(DestTy), Name));
3840 }
3841 
3842 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef B, LLVMValueRef Val,
3843                              LLVMTypeRef DestTy, const char *Name) {
3844   return wrap(unwrap(B)->CreateSIToFP(unwrap(Val), unwrap(DestTy), Name));
3845 }
3846 
3847 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef B, LLVMValueRef Val,
3848                               LLVMTypeRef DestTy, const char *Name) {
3849   return wrap(unwrap(B)->CreateFPTrunc(unwrap(Val), unwrap(DestTy), Name));
3850 }
3851 
3852 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef B, LLVMValueRef Val,
3853                             LLVMTypeRef DestTy, const char *Name) {
3854   return wrap(unwrap(B)->CreateFPExt(unwrap(Val), unwrap(DestTy), Name));
3855 }
3856 
3857 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef B, LLVMValueRef Val,
3858                                LLVMTypeRef DestTy, const char *Name) {
3859   return wrap(unwrap(B)->CreatePtrToInt(unwrap(Val), unwrap(DestTy), Name));
3860 }
3861 
3862 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef B, LLVMValueRef Val,
3863                                LLVMTypeRef DestTy, const char *Name) {
3864   return wrap(unwrap(B)->CreateIntToPtr(unwrap(Val), unwrap(DestTy), Name));
3865 }
3866 
3867 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3868                               LLVMTypeRef DestTy, const char *Name) {
3869   return wrap(unwrap(B)->CreateBitCast(unwrap(Val), unwrap(DestTy), Name));
3870 }
3871 
3872 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef B, LLVMValueRef Val,
3873                                     LLVMTypeRef DestTy, const char *Name) {
3874   return wrap(unwrap(B)->CreateAddrSpaceCast(unwrap(Val), unwrap(DestTy), Name));
3875 }
3876 
3877 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3878                                     LLVMTypeRef DestTy, const char *Name) {
3879   return wrap(unwrap(B)->CreateZExtOrBitCast(unwrap(Val), unwrap(DestTy),
3880                                              Name));
3881 }
3882 
3883 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3884                                     LLVMTypeRef DestTy, const char *Name) {
3885   return wrap(unwrap(B)->CreateSExtOrBitCast(unwrap(Val), unwrap(DestTy),
3886                                              Name));
3887 }
3888 
3889 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3890                                      LLVMTypeRef DestTy, const char *Name) {
3891   return wrap(unwrap(B)->CreateTruncOrBitCast(unwrap(Val), unwrap(DestTy),
3892                                               Name));
3893 }
3894 
3895 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3896                            LLVMTypeRef DestTy, const char *Name) {
3897   return wrap(unwrap(B)->CreateCast(Instruction::CastOps(map_from_llvmopcode(Op)), unwrap(Val),
3898                                     unwrap(DestTy), Name));
3899 }
3900 
3901 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef B, LLVMValueRef Val,
3902                                   LLVMTypeRef DestTy, const char *Name) {
3903   return wrap(unwrap(B)->CreatePointerCast(unwrap(Val), unwrap(DestTy), Name));
3904 }
3905 
3906 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef B, LLVMValueRef Val,
3907                                LLVMTypeRef DestTy, LLVMBool IsSigned,
3908                                const char *Name) {
3909   return wrap(
3910       unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), IsSigned, Name));
3911 }
3912 
3913 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
3914                               LLVMTypeRef DestTy, const char *Name) {
3915   return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),
3916                                        /*isSigned*/true, Name));
3917 }
3918 
3919 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef B, LLVMValueRef Val,
3920                              LLVMTypeRef DestTy, const char *Name) {
3921   return wrap(unwrap(B)->CreateFPCast(unwrap(Val), unwrap(DestTy), Name));
3922 }
3923 
3924 LLVMOpcode LLVMGetCastOpcode(LLVMValueRef Src, LLVMBool SrcIsSigned,
3925                              LLVMTypeRef DestTy, LLVMBool DestIsSigned) {
3926   return map_to_llvmopcode(CastInst::getCastOpcode(
3927       unwrap(Src), SrcIsSigned, unwrap(DestTy), DestIsSigned));
3928 }
3929 
3930 /*--.. Comparisons .........................................................--*/
3931 
3932 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef B, LLVMIntPredicate Op,
3933                            LLVMValueRef LHS, LLVMValueRef RHS,
3934                            const char *Name) {
3935   return wrap(unwrap(B)->CreateICmp(static_cast<ICmpInst::Predicate>(Op),
3936                                     unwrap(LHS), unwrap(RHS), Name));
3937 }
3938 
3939 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef B, LLVMRealPredicate Op,
3940                            LLVMValueRef LHS, LLVMValueRef RHS,
3941                            const char *Name) {
3942   return wrap(unwrap(B)->CreateFCmp(static_cast<FCmpInst::Predicate>(Op),
3943                                     unwrap(LHS), unwrap(RHS), Name));
3944 }
3945 
3946 /*--.. Miscellaneous instructions ..........................................--*/
3947 
3948 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef B, LLVMTypeRef Ty, const char *Name) {
3949   return wrap(unwrap(B)->CreatePHI(unwrap(Ty), 0, Name));
3950 }
3951 
3952 LLVMValueRef LLVMBuildCall(LLVMBuilderRef B, LLVMValueRef Fn,
3953                            LLVMValueRef *Args, unsigned NumArgs,
3954                            const char *Name) {
3955   Value *V = unwrap(Fn);
3956   FunctionType *FnT =
3957       cast<FunctionType>(V->getType()->getNonOpaquePointerElementType());
3958 
3959   return wrap(unwrap(B)->CreateCall(FnT, unwrap(Fn),
3960                                     makeArrayRef(unwrap(Args), NumArgs), Name));
3961 }
3962 
3963 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
3964                             LLVMValueRef *Args, unsigned NumArgs,
3965                             const char *Name) {
3966   FunctionType *FTy = unwrap<FunctionType>(Ty);
3967   return wrap(unwrap(B)->CreateCall(FTy, unwrap(Fn),
3968                                     makeArrayRef(unwrap(Args), NumArgs), Name));
3969 }
3970 
3971 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef B, LLVMValueRef If,
3972                              LLVMValueRef Then, LLVMValueRef Else,
3973                              const char *Name) {
3974   return wrap(unwrap(B)->CreateSelect(unwrap(If), unwrap(Then), unwrap(Else),
3975                                       Name));
3976 }
3977 
3978 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef B, LLVMValueRef List,
3979                             LLVMTypeRef Ty, const char *Name) {
3980   return wrap(unwrap(B)->CreateVAArg(unwrap(List), unwrap(Ty), Name));
3981 }
3982 
3983 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef B, LLVMValueRef VecVal,
3984                                       LLVMValueRef Index, const char *Name) {
3985   return wrap(unwrap(B)->CreateExtractElement(unwrap(VecVal), unwrap(Index),
3986                                               Name));
3987 }
3988 
3989 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef B, LLVMValueRef VecVal,
3990                                     LLVMValueRef EltVal, LLVMValueRef Index,
3991                                     const char *Name) {
3992   return wrap(unwrap(B)->CreateInsertElement(unwrap(VecVal), unwrap(EltVal),
3993                                              unwrap(Index), Name));
3994 }
3995 
3996 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef B, LLVMValueRef V1,
3997                                     LLVMValueRef V2, LLVMValueRef Mask,
3998                                     const char *Name) {
3999   return wrap(unwrap(B)->CreateShuffleVector(unwrap(V1), unwrap(V2),
4000                                              unwrap(Mask), Name));
4001 }
4002 
4003 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef B, LLVMValueRef AggVal,
4004                                    unsigned Index, const char *Name) {
4005   return wrap(unwrap(B)->CreateExtractValue(unwrap(AggVal), Index, Name));
4006 }
4007 
4008 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef B, LLVMValueRef AggVal,
4009                                   LLVMValueRef EltVal, unsigned Index,
4010                                   const char *Name) {
4011   return wrap(unwrap(B)->CreateInsertValue(unwrap(AggVal), unwrap(EltVal),
4012                                            Index, Name));
4013 }
4014 
4015 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef B, LLVMValueRef Val,
4016                              const char *Name) {
4017   return wrap(unwrap(B)->CreateFreeze(unwrap(Val), Name));
4018 }
4019 
4020 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef B, LLVMValueRef Val,
4021                              const char *Name) {
4022   return wrap(unwrap(B)->CreateIsNull(unwrap(Val), Name));
4023 }
4024 
4025 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef B, LLVMValueRef Val,
4026                                 const char *Name) {
4027   return wrap(unwrap(B)->CreateIsNotNull(unwrap(Val), Name));
4028 }
4029 
4030 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef B, LLVMValueRef LHS,
4031                               LLVMValueRef RHS, const char *Name) {
4032   Value *L = unwrap(LHS);
4033   Type *ElemTy = L->getType()->getNonOpaquePointerElementType();
4034   return wrap(unwrap(B)->CreatePtrDiff(ElemTy, L, unwrap(RHS), Name));
4035 }
4036 
4037 LLVMValueRef LLVMBuildPtrDiff2(LLVMBuilderRef B, LLVMTypeRef ElemTy,
4038                                LLVMValueRef LHS, LLVMValueRef RHS,
4039                                const char *Name) {
4040   return wrap(unwrap(B)->CreatePtrDiff(unwrap(ElemTy), unwrap(LHS),
4041                                        unwrap(RHS), Name));
4042 }
4043 
4044 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B,LLVMAtomicRMWBinOp op,
4045                                LLVMValueRef PTR, LLVMValueRef Val,
4046                                LLVMAtomicOrdering ordering,
4047                                LLVMBool singleThread) {
4048   AtomicRMWInst::BinOp intop = mapFromLLVMRMWBinOp(op);
4049   return wrap(unwrap(B)->CreateAtomicRMW(
4050       intop, unwrap(PTR), unwrap(Val), MaybeAlign(),
4051       mapFromLLVMOrdering(ordering),
4052       singleThread ? SyncScope::SingleThread : SyncScope::System));
4053 }
4054 
4055 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
4056                                     LLVMValueRef Cmp, LLVMValueRef New,
4057                                     LLVMAtomicOrdering SuccessOrdering,
4058                                     LLVMAtomicOrdering FailureOrdering,
4059                                     LLVMBool singleThread) {
4060 
4061   return wrap(unwrap(B)->CreateAtomicCmpXchg(
4062       unwrap(Ptr), unwrap(Cmp), unwrap(New), MaybeAlign(),
4063       mapFromLLVMOrdering(SuccessOrdering),
4064       mapFromLLVMOrdering(FailureOrdering),
4065       singleThread ? SyncScope::SingleThread : SyncScope::System));
4066 }
4067 
4068 unsigned LLVMGetNumMaskElements(LLVMValueRef SVInst) {
4069   Value *P = unwrap<Value>(SVInst);
4070   ShuffleVectorInst *I = cast<ShuffleVectorInst>(P);
4071   return I->getShuffleMask().size();
4072 }
4073 
4074 int LLVMGetMaskValue(LLVMValueRef SVInst, unsigned Elt) {
4075   Value *P = unwrap<Value>(SVInst);
4076   ShuffleVectorInst *I = cast<ShuffleVectorInst>(P);
4077   return I->getMaskValue(Elt);
4078 }
4079 
4080 int LLVMGetUndefMaskElem(void) { return UndefMaskElem; }
4081 
4082 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst) {
4083   Value *P = unwrap<Value>(AtomicInst);
4084 
4085   if (AtomicRMWInst *I = dyn_cast<AtomicRMWInst>(P))
4086     return I->getSyncScopeID() == SyncScope::SingleThread;
4087   return cast<AtomicCmpXchgInst>(P)->getSyncScopeID() ==
4088              SyncScope::SingleThread;
4089 }
4090 
4091 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool NewValue) {
4092   Value *P = unwrap<Value>(AtomicInst);
4093   SyncScope::ID SSID = NewValue ? SyncScope::SingleThread : SyncScope::System;
4094 
4095   if (AtomicRMWInst *I = dyn_cast<AtomicRMWInst>(P))
4096     return I->setSyncScopeID(SSID);
4097   return cast<AtomicCmpXchgInst>(P)->setSyncScopeID(SSID);
4098 }
4099 
4100 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst)  {
4101   Value *P = unwrap<Value>(CmpXchgInst);
4102   return mapToLLVMOrdering(cast<AtomicCmpXchgInst>(P)->getSuccessOrdering());
4103 }
4104 
4105 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
4106                                    LLVMAtomicOrdering Ordering) {
4107   Value *P = unwrap<Value>(CmpXchgInst);
4108   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4109 
4110   return cast<AtomicCmpXchgInst>(P)->setSuccessOrdering(O);
4111 }
4112 
4113 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst)  {
4114   Value *P = unwrap<Value>(CmpXchgInst);
4115   return mapToLLVMOrdering(cast<AtomicCmpXchgInst>(P)->getFailureOrdering());
4116 }
4117 
4118 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
4119                                    LLVMAtomicOrdering Ordering) {
4120   Value *P = unwrap<Value>(CmpXchgInst);
4121   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4122 
4123   return cast<AtomicCmpXchgInst>(P)->setFailureOrdering(O);
4124 }
4125 
4126 /*===-- Module providers --------------------------------------------------===*/
4127 
4128 LLVMModuleProviderRef
4129 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M) {
4130   return reinterpret_cast<LLVMModuleProviderRef>(M);
4131 }
4132 
4133 void LLVMDisposeModuleProvider(LLVMModuleProviderRef MP) {
4134   delete unwrap(MP);
4135 }
4136 
4137 
4138 /*===-- Memory buffers ----------------------------------------------------===*/
4139 
4140 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(
4141     const char *Path,
4142     LLVMMemoryBufferRef *OutMemBuf,
4143     char **OutMessage) {
4144 
4145   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getFile(Path);
4146   if (std::error_code EC = MBOrErr.getError()) {
4147     *OutMessage = strdup(EC.message().c_str());
4148     return 1;
4149   }
4150   *OutMemBuf = wrap(MBOrErr.get().release());
4151   return 0;
4152 }
4153 
4154 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4155                                          char **OutMessage) {
4156   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getSTDIN();
4157   if (std::error_code EC = MBOrErr.getError()) {
4158     *OutMessage = strdup(EC.message().c_str());
4159     return 1;
4160   }
4161   *OutMemBuf = wrap(MBOrErr.get().release());
4162   return 0;
4163 }
4164 
4165 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(
4166     const char *InputData,
4167     size_t InputDataLength,
4168     const char *BufferName,
4169     LLVMBool RequiresNullTerminator) {
4170 
4171   return wrap(MemoryBuffer::getMemBuffer(StringRef(InputData, InputDataLength),
4172                                          StringRef(BufferName),
4173                                          RequiresNullTerminator).release());
4174 }
4175 
4176 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(
4177     const char *InputData,
4178     size_t InputDataLength,
4179     const char *BufferName) {
4180 
4181   return wrap(
4182       MemoryBuffer::getMemBufferCopy(StringRef(InputData, InputDataLength),
4183                                      StringRef(BufferName)).release());
4184 }
4185 
4186 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf) {
4187   return unwrap(MemBuf)->getBufferStart();
4188 }
4189 
4190 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf) {
4191   return unwrap(MemBuf)->getBufferSize();
4192 }
4193 
4194 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
4195   delete unwrap(MemBuf);
4196 }
4197 
4198 /*===-- Pass Registry -----------------------------------------------------===*/
4199 
4200 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void) {
4201   return wrap(PassRegistry::getPassRegistry());
4202 }
4203 
4204 /*===-- Pass Manager ------------------------------------------------------===*/
4205 
4206 LLVMPassManagerRef LLVMCreatePassManager() {
4207   return wrap(new legacy::PassManager());
4208 }
4209 
4210 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) {
4211   return wrap(new legacy::FunctionPassManager(unwrap(M)));
4212 }
4213 
4214 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
4215   return LLVMCreateFunctionPassManagerForModule(
4216                                             reinterpret_cast<LLVMModuleRef>(P));
4217 }
4218 
4219 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
4220   return unwrap<legacy::PassManager>(PM)->run(*unwrap(M));
4221 }
4222 
4223 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) {
4224   return unwrap<legacy::FunctionPassManager>(FPM)->doInitialization();
4225 }
4226 
4227 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) {
4228   return unwrap<legacy::FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
4229 }
4230 
4231 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) {
4232   return unwrap<legacy::FunctionPassManager>(FPM)->doFinalization();
4233 }
4234 
4235 void LLVMDisposePassManager(LLVMPassManagerRef PM) {
4236   delete unwrap(PM);
4237 }
4238 
4239 /*===-- Threading ------------------------------------------------------===*/
4240 
4241 LLVMBool LLVMStartMultithreaded() {
4242   return LLVMIsMultithreaded();
4243 }
4244 
4245 void LLVMStopMultithreaded() {
4246 }
4247 
4248 LLVMBool LLVMIsMultithreaded() {
4249   return llvm_is_multithreaded();
4250 }
4251