1 //===- llvm/Analysis/TargetTransformInfo.cpp ------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/Analysis/TargetTransformInfo.h"
11 #include "llvm/Analysis/TargetTransformInfoImpl.h"
12 #include "llvm/IR/CallSite.h"
13 #include "llvm/IR/DataLayout.h"
14 #include "llvm/IR/Instruction.h"
15 #include "llvm/IR/Instructions.h"
16 #include "llvm/IR/IntrinsicInst.h"
17 #include "llvm/IR/Module.h"
18 #include "llvm/IR/Operator.h"
19 #include "llvm/Support/CommandLine.h"
20 #include "llvm/Support/ErrorHandling.h"
21 #include <utility>
22 
23 using namespace llvm;
24 
25 #define DEBUG_TYPE "tti"
26 
27 static cl::opt<bool> UseWideMemcpyLoopLowering(
28     "use-wide-memcpy-loop-lowering", cl::init(false),
29     cl::desc("Enables the new wide memcpy loop lowering in Transforms/Utils."),
30     cl::Hidden);
31 
32 namespace {
33 /// \brief No-op implementation of the TTI interface using the utility base
34 /// classes.
35 ///
36 /// This is used when no target specific information is available.
37 struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> {
38   explicit NoTTIImpl(const DataLayout &DL)
39       : TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {}
40 };
41 }
42 
43 TargetTransformInfo::TargetTransformInfo(const DataLayout &DL)
44     : TTIImpl(new Model<NoTTIImpl>(NoTTIImpl(DL))) {}
45 
46 TargetTransformInfo::~TargetTransformInfo() {}
47 
48 TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg)
49     : TTIImpl(std::move(Arg.TTIImpl)) {}
50 
51 TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) {
52   TTIImpl = std::move(RHS.TTIImpl);
53   return *this;
54 }
55 
56 int TargetTransformInfo::getOperationCost(unsigned Opcode, Type *Ty,
57                                           Type *OpTy) const {
58   int Cost = TTIImpl->getOperationCost(Opcode, Ty, OpTy);
59   assert(Cost >= 0 && "TTI should not produce negative costs!");
60   return Cost;
61 }
62 
63 int TargetTransformInfo::getCallCost(FunctionType *FTy, int NumArgs) const {
64   int Cost = TTIImpl->getCallCost(FTy, NumArgs);
65   assert(Cost >= 0 && "TTI should not produce negative costs!");
66   return Cost;
67 }
68 
69 int TargetTransformInfo::getCallCost(const Function *F,
70                                      ArrayRef<const Value *> Arguments) const {
71   int Cost = TTIImpl->getCallCost(F, Arguments);
72   assert(Cost >= 0 && "TTI should not produce negative costs!");
73   return Cost;
74 }
75 
76 unsigned TargetTransformInfo::getInliningThresholdMultiplier() const {
77   return TTIImpl->getInliningThresholdMultiplier();
78 }
79 
80 int TargetTransformInfo::getGEPCost(Type *PointeeType, const Value *Ptr,
81                                     ArrayRef<const Value *> Operands) const {
82   return TTIImpl->getGEPCost(PointeeType, Ptr, Operands);
83 }
84 
85 int TargetTransformInfo::getExtCost(const Instruction *I,
86                                     const Value *Src) const {
87   return TTIImpl->getExtCost(I, Src);
88 }
89 
90 int TargetTransformInfo::getIntrinsicCost(
91     Intrinsic::ID IID, Type *RetTy, ArrayRef<const Value *> Arguments) const {
92   int Cost = TTIImpl->getIntrinsicCost(IID, RetTy, Arguments);
93   assert(Cost >= 0 && "TTI should not produce negative costs!");
94   return Cost;
95 }
96 
97 unsigned
98 TargetTransformInfo::getEstimatedNumberOfCaseClusters(const SwitchInst &SI,
99                                                       unsigned &JTSize) const {
100   return TTIImpl->getEstimatedNumberOfCaseClusters(SI, JTSize);
101 }
102 
103 int TargetTransformInfo::getUserCost(const User *U,
104     ArrayRef<const Value *> Operands) const {
105   int Cost = TTIImpl->getUserCost(U, Operands);
106   assert(Cost >= 0 && "TTI should not produce negative costs!");
107   return Cost;
108 }
109 
110 bool TargetTransformInfo::hasBranchDivergence() const {
111   return TTIImpl->hasBranchDivergence();
112 }
113 
114 bool TargetTransformInfo::isSourceOfDivergence(const Value *V) const {
115   return TTIImpl->isSourceOfDivergence(V);
116 }
117 
118 bool llvm::TargetTransformInfo::isAlwaysUniform(const Value *V) const {
119   return TTIImpl->isAlwaysUniform(V);
120 }
121 
122 unsigned TargetTransformInfo::getFlatAddressSpace() const {
123   return TTIImpl->getFlatAddressSpace();
124 }
125 
126 bool TargetTransformInfo::isLoweredToCall(const Function *F) const {
127   return TTIImpl->isLoweredToCall(F);
128 }
129 
130 void TargetTransformInfo::getUnrollingPreferences(
131     Loop *L, ScalarEvolution &SE, UnrollingPreferences &UP) const {
132   return TTIImpl->getUnrollingPreferences(L, SE, UP);
133 }
134 
135 bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const {
136   return TTIImpl->isLegalAddImmediate(Imm);
137 }
138 
139 bool TargetTransformInfo::isLegalICmpImmediate(int64_t Imm) const {
140   return TTIImpl->isLegalICmpImmediate(Imm);
141 }
142 
143 bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
144                                                 int64_t BaseOffset,
145                                                 bool HasBaseReg,
146                                                 int64_t Scale,
147                                                 unsigned AddrSpace,
148                                                 Instruction *I) const {
149   return TTIImpl->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg,
150                                         Scale, AddrSpace, I);
151 }
152 
153 bool TargetTransformInfo::isLSRCostLess(LSRCost &C1, LSRCost &C2) const {
154   return TTIImpl->isLSRCostLess(C1, C2);
155 }
156 
157 bool TargetTransformInfo::isLegalMaskedStore(Type *DataType) const {
158   return TTIImpl->isLegalMaskedStore(DataType);
159 }
160 
161 bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType) const {
162   return TTIImpl->isLegalMaskedLoad(DataType);
163 }
164 
165 bool TargetTransformInfo::isLegalMaskedGather(Type *DataType) const {
166   return TTIImpl->isLegalMaskedGather(DataType);
167 }
168 
169 bool TargetTransformInfo::isLegalMaskedScatter(Type *DataType) const {
170   return TTIImpl->isLegalMaskedScatter(DataType);
171 }
172 
173 bool TargetTransformInfo::prefersVectorizedAddressing() const {
174   return TTIImpl->prefersVectorizedAddressing();
175 }
176 
177 int TargetTransformInfo::getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
178                                               int64_t BaseOffset,
179                                               bool HasBaseReg,
180                                               int64_t Scale,
181                                               unsigned AddrSpace) const {
182   int Cost = TTIImpl->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg,
183                                            Scale, AddrSpace);
184   assert(Cost >= 0 && "TTI should not produce negative costs!");
185   return Cost;
186 }
187 
188 bool TargetTransformInfo::LSRWithInstrQueries() const {
189   return TTIImpl->LSRWithInstrQueries();
190 }
191 
192 bool TargetTransformInfo::isTruncateFree(Type *Ty1, Type *Ty2) const {
193   return TTIImpl->isTruncateFree(Ty1, Ty2);
194 }
195 
196 bool TargetTransformInfo::isProfitableToHoist(Instruction *I) const {
197   return TTIImpl->isProfitableToHoist(I);
198 }
199 
200 bool TargetTransformInfo::isTypeLegal(Type *Ty) const {
201   return TTIImpl->isTypeLegal(Ty);
202 }
203 
204 unsigned TargetTransformInfo::getJumpBufAlignment() const {
205   return TTIImpl->getJumpBufAlignment();
206 }
207 
208 unsigned TargetTransformInfo::getJumpBufSize() const {
209   return TTIImpl->getJumpBufSize();
210 }
211 
212 bool TargetTransformInfo::shouldBuildLookupTables() const {
213   return TTIImpl->shouldBuildLookupTables();
214 }
215 bool TargetTransformInfo::shouldBuildLookupTablesForConstant(Constant *C) const {
216   return TTIImpl->shouldBuildLookupTablesForConstant(C);
217 }
218 
219 unsigned TargetTransformInfo::
220 getScalarizationOverhead(Type *Ty, bool Insert, bool Extract) const {
221   return TTIImpl->getScalarizationOverhead(Ty, Insert, Extract);
222 }
223 
224 unsigned TargetTransformInfo::
225 getOperandsScalarizationOverhead(ArrayRef<const Value *> Args,
226                                  unsigned VF) const {
227   return TTIImpl->getOperandsScalarizationOverhead(Args, VF);
228 }
229 
230 bool TargetTransformInfo::supportsEfficientVectorElementLoadStore() const {
231   return TTIImpl->supportsEfficientVectorElementLoadStore();
232 }
233 
234 bool TargetTransformInfo::enableAggressiveInterleaving(bool LoopHasReductions) const {
235   return TTIImpl->enableAggressiveInterleaving(LoopHasReductions);
236 }
237 
238 bool TargetTransformInfo::expandMemCmp(Instruction *I, unsigned &MaxLoadSize) const {
239   return TTIImpl->expandMemCmp(I, MaxLoadSize);
240 }
241 
242 bool TargetTransformInfo::enableInterleavedAccessVectorization() const {
243   return TTIImpl->enableInterleavedAccessVectorization();
244 }
245 
246 bool TargetTransformInfo::isFPVectorizationPotentiallyUnsafe() const {
247   return TTIImpl->isFPVectorizationPotentiallyUnsafe();
248 }
249 
250 bool TargetTransformInfo::allowsMisalignedMemoryAccesses(LLVMContext &Context,
251                                                          unsigned BitWidth,
252                                                          unsigned AddressSpace,
253                                                          unsigned Alignment,
254                                                          bool *Fast) const {
255   return TTIImpl->allowsMisalignedMemoryAccesses(Context, BitWidth, AddressSpace,
256                                                  Alignment, Fast);
257 }
258 
259 TargetTransformInfo::PopcntSupportKind
260 TargetTransformInfo::getPopcntSupport(unsigned IntTyWidthInBit) const {
261   return TTIImpl->getPopcntSupport(IntTyWidthInBit);
262 }
263 
264 bool TargetTransformInfo::haveFastSqrt(Type *Ty) const {
265   return TTIImpl->haveFastSqrt(Ty);
266 }
267 
268 int TargetTransformInfo::getFPOpCost(Type *Ty) const {
269   int Cost = TTIImpl->getFPOpCost(Ty);
270   assert(Cost >= 0 && "TTI should not produce negative costs!");
271   return Cost;
272 }
273 
274 int TargetTransformInfo::getIntImmCodeSizeCost(unsigned Opcode, unsigned Idx,
275                                                const APInt &Imm,
276                                                Type *Ty) const {
277   int Cost = TTIImpl->getIntImmCodeSizeCost(Opcode, Idx, Imm, Ty);
278   assert(Cost >= 0 && "TTI should not produce negative costs!");
279   return Cost;
280 }
281 
282 int TargetTransformInfo::getIntImmCost(const APInt &Imm, Type *Ty) const {
283   int Cost = TTIImpl->getIntImmCost(Imm, Ty);
284   assert(Cost >= 0 && "TTI should not produce negative costs!");
285   return Cost;
286 }
287 
288 int TargetTransformInfo::getIntImmCost(unsigned Opcode, unsigned Idx,
289                                        const APInt &Imm, Type *Ty) const {
290   int Cost = TTIImpl->getIntImmCost(Opcode, Idx, Imm, Ty);
291   assert(Cost >= 0 && "TTI should not produce negative costs!");
292   return Cost;
293 }
294 
295 int TargetTransformInfo::getIntImmCost(Intrinsic::ID IID, unsigned Idx,
296                                        const APInt &Imm, Type *Ty) const {
297   int Cost = TTIImpl->getIntImmCost(IID, Idx, Imm, Ty);
298   assert(Cost >= 0 && "TTI should not produce negative costs!");
299   return Cost;
300 }
301 
302 unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const {
303   return TTIImpl->getNumberOfRegisters(Vector);
304 }
305 
306 unsigned TargetTransformInfo::getRegisterBitWidth(bool Vector) const {
307   return TTIImpl->getRegisterBitWidth(Vector);
308 }
309 
310 unsigned TargetTransformInfo::getMinVectorRegisterBitWidth() const {
311   return TTIImpl->getMinVectorRegisterBitWidth();
312 }
313 
314 bool TargetTransformInfo::shouldConsiderAddressTypePromotion(
315     const Instruction &I, bool &AllowPromotionWithoutCommonHeader) const {
316   return TTIImpl->shouldConsiderAddressTypePromotion(
317       I, AllowPromotionWithoutCommonHeader);
318 }
319 
320 unsigned TargetTransformInfo::getCacheLineSize() const {
321   return TTIImpl->getCacheLineSize();
322 }
323 
324 unsigned TargetTransformInfo::getPrefetchDistance() const {
325   return TTIImpl->getPrefetchDistance();
326 }
327 
328 unsigned TargetTransformInfo::getMinPrefetchStride() const {
329   return TTIImpl->getMinPrefetchStride();
330 }
331 
332 unsigned TargetTransformInfo::getMaxPrefetchIterationsAhead() const {
333   return TTIImpl->getMaxPrefetchIterationsAhead();
334 }
335 
336 unsigned TargetTransformInfo::getMaxInterleaveFactor(unsigned VF) const {
337   return TTIImpl->getMaxInterleaveFactor(VF);
338 }
339 
340 int TargetTransformInfo::getArithmeticInstrCost(
341     unsigned Opcode, Type *Ty, OperandValueKind Opd1Info,
342     OperandValueKind Opd2Info, OperandValueProperties Opd1PropInfo,
343     OperandValueProperties Opd2PropInfo,
344     ArrayRef<const Value *> Args) const {
345   int Cost = TTIImpl->getArithmeticInstrCost(Opcode, Ty, Opd1Info, Opd2Info,
346                                              Opd1PropInfo, Opd2PropInfo, Args);
347   assert(Cost >= 0 && "TTI should not produce negative costs!");
348   return Cost;
349 }
350 
351 int TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Ty, int Index,
352                                         Type *SubTp) const {
353   int Cost = TTIImpl->getShuffleCost(Kind, Ty, Index, SubTp);
354   assert(Cost >= 0 && "TTI should not produce negative costs!");
355   return Cost;
356 }
357 
358 int TargetTransformInfo::getCastInstrCost(unsigned Opcode, Type *Dst,
359                                  Type *Src, const Instruction *I) const {
360   assert ((I == nullptr || I->getOpcode() == Opcode) &&
361           "Opcode should reflect passed instruction.");
362   int Cost = TTIImpl->getCastInstrCost(Opcode, Dst, Src, I);
363   assert(Cost >= 0 && "TTI should not produce negative costs!");
364   return Cost;
365 }
366 
367 int TargetTransformInfo::getExtractWithExtendCost(unsigned Opcode, Type *Dst,
368                                                   VectorType *VecTy,
369                                                   unsigned Index) const {
370   int Cost = TTIImpl->getExtractWithExtendCost(Opcode, Dst, VecTy, Index);
371   assert(Cost >= 0 && "TTI should not produce negative costs!");
372   return Cost;
373 }
374 
375 int TargetTransformInfo::getCFInstrCost(unsigned Opcode) const {
376   int Cost = TTIImpl->getCFInstrCost(Opcode);
377   assert(Cost >= 0 && "TTI should not produce negative costs!");
378   return Cost;
379 }
380 
381 int TargetTransformInfo::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
382                                  Type *CondTy, const Instruction *I) const {
383   assert ((I == nullptr || I->getOpcode() == Opcode) &&
384           "Opcode should reflect passed instruction.");
385   int Cost = TTIImpl->getCmpSelInstrCost(Opcode, ValTy, CondTy, I);
386   assert(Cost >= 0 && "TTI should not produce negative costs!");
387   return Cost;
388 }
389 
390 int TargetTransformInfo::getVectorInstrCost(unsigned Opcode, Type *Val,
391                                             unsigned Index) const {
392   int Cost = TTIImpl->getVectorInstrCost(Opcode, Val, Index);
393   assert(Cost >= 0 && "TTI should not produce negative costs!");
394   return Cost;
395 }
396 
397 int TargetTransformInfo::getMemoryOpCost(unsigned Opcode, Type *Src,
398                                          unsigned Alignment,
399                                          unsigned AddressSpace,
400                                          const Instruction *I) const {
401   assert ((I == nullptr || I->getOpcode() == Opcode) &&
402           "Opcode should reflect passed instruction.");
403   int Cost = TTIImpl->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace, I);
404   assert(Cost >= 0 && "TTI should not produce negative costs!");
405   return Cost;
406 }
407 
408 int TargetTransformInfo::getMaskedMemoryOpCost(unsigned Opcode, Type *Src,
409                                                unsigned Alignment,
410                                                unsigned AddressSpace) const {
411   int Cost =
412       TTIImpl->getMaskedMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
413   assert(Cost >= 0 && "TTI should not produce negative costs!");
414   return Cost;
415 }
416 
417 int TargetTransformInfo::getGatherScatterOpCost(unsigned Opcode, Type *DataTy,
418                                                 Value *Ptr, bool VariableMask,
419                                                 unsigned Alignment) const {
420   int Cost = TTIImpl->getGatherScatterOpCost(Opcode, DataTy, Ptr, VariableMask,
421                                              Alignment);
422   assert(Cost >= 0 && "TTI should not produce negative costs!");
423   return Cost;
424 }
425 
426 int TargetTransformInfo::getInterleavedMemoryOpCost(
427     unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef<unsigned> Indices,
428     unsigned Alignment, unsigned AddressSpace) const {
429   int Cost = TTIImpl->getInterleavedMemoryOpCost(Opcode, VecTy, Factor, Indices,
430                                                  Alignment, AddressSpace);
431   assert(Cost >= 0 && "TTI should not produce negative costs!");
432   return Cost;
433 }
434 
435 int TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
436                                     ArrayRef<Type *> Tys, FastMathFlags FMF,
437                                     unsigned ScalarizationCostPassed) const {
438   int Cost = TTIImpl->getIntrinsicInstrCost(ID, RetTy, Tys, FMF,
439                                             ScalarizationCostPassed);
440   assert(Cost >= 0 && "TTI should not produce negative costs!");
441   return Cost;
442 }
443 
444 int TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
445            ArrayRef<Value *> Args, FastMathFlags FMF, unsigned VF) const {
446   int Cost = TTIImpl->getIntrinsicInstrCost(ID, RetTy, Args, FMF, VF);
447   assert(Cost >= 0 && "TTI should not produce negative costs!");
448   return Cost;
449 }
450 
451 int TargetTransformInfo::getCallInstrCost(Function *F, Type *RetTy,
452                                           ArrayRef<Type *> Tys) const {
453   int Cost = TTIImpl->getCallInstrCost(F, RetTy, Tys);
454   assert(Cost >= 0 && "TTI should not produce negative costs!");
455   return Cost;
456 }
457 
458 unsigned TargetTransformInfo::getNumberOfParts(Type *Tp) const {
459   return TTIImpl->getNumberOfParts(Tp);
460 }
461 
462 int TargetTransformInfo::getAddressComputationCost(Type *Tp,
463                                                    ScalarEvolution *SE,
464                                                    const SCEV *Ptr) const {
465   int Cost = TTIImpl->getAddressComputationCost(Tp, SE, Ptr);
466   assert(Cost >= 0 && "TTI should not produce negative costs!");
467   return Cost;
468 }
469 
470 int TargetTransformInfo::getArithmeticReductionCost(unsigned Opcode, Type *Ty,
471                                                     bool IsPairwiseForm) const {
472   int Cost = TTIImpl->getArithmeticReductionCost(Opcode, Ty, IsPairwiseForm);
473   assert(Cost >= 0 && "TTI should not produce negative costs!");
474   return Cost;
475 }
476 
477 unsigned
478 TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) const {
479   return TTIImpl->getCostOfKeepingLiveOverCall(Tys);
480 }
481 
482 bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst,
483                                              MemIntrinsicInfo &Info) const {
484   return TTIImpl->getTgtMemIntrinsic(Inst, Info);
485 }
486 
487 unsigned TargetTransformInfo::getAtomicMemIntrinsicMaxElementSize() const {
488   return TTIImpl->getAtomicMemIntrinsicMaxElementSize();
489 }
490 
491 Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
492     IntrinsicInst *Inst, Type *ExpectedType) const {
493   return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
494 }
495 
496 Type *TargetTransformInfo::getMemcpyLoopLoweringType(LLVMContext &Context,
497                                                      Value *Length,
498                                                      unsigned SrcAlign,
499                                                      unsigned DestAlign) const {
500   return TTIImpl->getMemcpyLoopLoweringType(Context, Length, SrcAlign,
501                                             DestAlign);
502 }
503 
504 void TargetTransformInfo::getMemcpyLoopResidualLoweringType(
505     SmallVectorImpl<Type *> &OpsOut, LLVMContext &Context,
506     unsigned RemainingBytes, unsigned SrcAlign, unsigned DestAlign) const {
507   TTIImpl->getMemcpyLoopResidualLoweringType(OpsOut, Context, RemainingBytes,
508                                              SrcAlign, DestAlign);
509 }
510 
511 bool TargetTransformInfo::useWideIRMemcpyLoopLowering() const {
512   return UseWideMemcpyLoopLowering;
513 }
514 
515 bool TargetTransformInfo::areInlineCompatible(const Function *Caller,
516                                               const Function *Callee) const {
517   return TTIImpl->areInlineCompatible(Caller, Callee);
518 }
519 
520 unsigned TargetTransformInfo::getLoadStoreVecRegBitWidth(unsigned AS) const {
521   return TTIImpl->getLoadStoreVecRegBitWidth(AS);
522 }
523 
524 bool TargetTransformInfo::isLegalToVectorizeLoad(LoadInst *LI) const {
525   return TTIImpl->isLegalToVectorizeLoad(LI);
526 }
527 
528 bool TargetTransformInfo::isLegalToVectorizeStore(StoreInst *SI) const {
529   return TTIImpl->isLegalToVectorizeStore(SI);
530 }
531 
532 bool TargetTransformInfo::isLegalToVectorizeLoadChain(
533     unsigned ChainSizeInBytes, unsigned Alignment, unsigned AddrSpace) const {
534   return TTIImpl->isLegalToVectorizeLoadChain(ChainSizeInBytes, Alignment,
535                                               AddrSpace);
536 }
537 
538 bool TargetTransformInfo::isLegalToVectorizeStoreChain(
539     unsigned ChainSizeInBytes, unsigned Alignment, unsigned AddrSpace) const {
540   return TTIImpl->isLegalToVectorizeStoreChain(ChainSizeInBytes, Alignment,
541                                                AddrSpace);
542 }
543 
544 unsigned TargetTransformInfo::getLoadVectorFactor(unsigned VF,
545                                                   unsigned LoadSize,
546                                                   unsigned ChainSizeInBytes,
547                                                   VectorType *VecTy) const {
548   return TTIImpl->getLoadVectorFactor(VF, LoadSize, ChainSizeInBytes, VecTy);
549 }
550 
551 unsigned TargetTransformInfo::getStoreVectorFactor(unsigned VF,
552                                                    unsigned StoreSize,
553                                                    unsigned ChainSizeInBytes,
554                                                    VectorType *VecTy) const {
555   return TTIImpl->getStoreVectorFactor(VF, StoreSize, ChainSizeInBytes, VecTy);
556 }
557 
558 bool TargetTransformInfo::useReductionIntrinsic(unsigned Opcode,
559                                                 Type *Ty, ReductionFlags Flags) const {
560   return TTIImpl->useReductionIntrinsic(Opcode, Ty, Flags);
561 }
562 
563 bool TargetTransformInfo::shouldExpandReduction(const IntrinsicInst *II) const {
564   return TTIImpl->shouldExpandReduction(II);
565 }
566 
567 TargetTransformInfo::Concept::~Concept() {}
568 
569 TargetIRAnalysis::TargetIRAnalysis() : TTICallback(&getDefaultTTI) {}
570 
571 TargetIRAnalysis::TargetIRAnalysis(
572     std::function<Result(const Function &)> TTICallback)
573     : TTICallback(std::move(TTICallback)) {}
574 
575 TargetIRAnalysis::Result TargetIRAnalysis::run(const Function &F,
576                                                FunctionAnalysisManager &) {
577   return TTICallback(F);
578 }
579 
580 AnalysisKey TargetIRAnalysis::Key;
581 
582 TargetIRAnalysis::Result TargetIRAnalysis::getDefaultTTI(const Function &F) {
583   return Result(F.getParent()->getDataLayout());
584 }
585 
586 // Register the basic pass.
587 INITIALIZE_PASS(TargetTransformInfoWrapperPass, "tti",
588                 "Target Transform Information", false, true)
589 char TargetTransformInfoWrapperPass::ID = 0;
590 
591 void TargetTransformInfoWrapperPass::anchor() {}
592 
593 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass()
594     : ImmutablePass(ID) {
595   initializeTargetTransformInfoWrapperPassPass(
596       *PassRegistry::getPassRegistry());
597 }
598 
599 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass(
600     TargetIRAnalysis TIRA)
601     : ImmutablePass(ID), TIRA(std::move(TIRA)) {
602   initializeTargetTransformInfoWrapperPassPass(
603       *PassRegistry::getPassRegistry());
604 }
605 
606 TargetTransformInfo &TargetTransformInfoWrapperPass::getTTI(const Function &F) {
607   FunctionAnalysisManager DummyFAM;
608   TTI = TIRA.run(F, DummyFAM);
609   return *TTI;
610 }
611 
612 ImmutablePass *
613 llvm::createTargetTransformInfoWrapperPass(TargetIRAnalysis TIRA) {
614   return new TargetTransformInfoWrapperPass(std::move(TIRA));
615 }
616