1 //===- llvm/Analysis/TargetTransformInfo.cpp ------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
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/ErrorHandling.h"
23 #define DEBUG_TYPE "tti"
26 /// \brief No-op implementation of the TTI interface using the utility base
29 /// This is used when no target specific information is available.
30 struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> {
31 explicit NoTTIImpl(const DataLayout &DL)
32 : TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {}
36 TargetTransformInfo::TargetTransformInfo(const DataLayout &DL)
37 : TTIImpl(new Model<NoTTIImpl>(NoTTIImpl(DL))) {}
39 TargetTransformInfo::~TargetTransformInfo() {}
41 TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg)
42 : TTIImpl(std::move(Arg.TTIImpl)) {}
44 TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) {
45 TTIImpl = std::move(RHS.TTIImpl);
49 int TargetTransformInfo::getOperationCost(unsigned Opcode, Type *Ty,
51 int Cost = TTIImpl->getOperationCost(Opcode, Ty, OpTy);
52 assert(Cost >= 0 && "TTI should not produce negative costs!");
56 int TargetTransformInfo::getCallCost(FunctionType *FTy, int NumArgs) const {
57 int Cost = TTIImpl->getCallCost(FTy, NumArgs);
58 assert(Cost >= 0 && "TTI should not produce negative costs!");
62 int TargetTransformInfo::getCallCost(const Function *F,
63 ArrayRef<const Value *> Arguments) const {
64 int Cost = TTIImpl->getCallCost(F, Arguments);
65 assert(Cost >= 0 && "TTI should not produce negative costs!");
69 int TargetTransformInfo::getIntrinsicCost(
70 Intrinsic::ID IID, Type *RetTy, ArrayRef<const Value *> Arguments) const {
71 int Cost = TTIImpl->getIntrinsicCost(IID, RetTy, Arguments);
72 assert(Cost >= 0 && "TTI should not produce negative costs!");
76 int TargetTransformInfo::getUserCost(const User *U) const {
77 int Cost = TTIImpl->getUserCost(U);
78 assert(Cost >= 0 && "TTI should not produce negative costs!");
82 bool TargetTransformInfo::hasBranchDivergence() const {
83 return TTIImpl->hasBranchDivergence();
86 bool TargetTransformInfo::isSourceOfDivergence(const Value *V) const {
87 return TTIImpl->isSourceOfDivergence(V);
90 bool TargetTransformInfo::isLoweredToCall(const Function *F) const {
91 return TTIImpl->isLoweredToCall(F);
94 void TargetTransformInfo::getUnrollingPreferences(
95 Loop *L, UnrollingPreferences &UP) const {
96 return TTIImpl->getUnrollingPreferences(L, UP);
99 bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const {
100 return TTIImpl->isLegalAddImmediate(Imm);
103 bool TargetTransformInfo::isLegalICmpImmediate(int64_t Imm) const {
104 return TTIImpl->isLegalICmpImmediate(Imm);
107 bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
111 unsigned AddrSpace) const {
112 return TTIImpl->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg,
116 bool TargetTransformInfo::isLegalMaskedStore(Type *DataType) const {
117 return TTIImpl->isLegalMaskedStore(DataType);
120 bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType) const {
121 return TTIImpl->isLegalMaskedLoad(DataType);
124 bool TargetTransformInfo::isLegalMaskedGather(Type *DataType) const {
125 return TTIImpl->isLegalMaskedGather(DataType);
128 bool TargetTransformInfo::isLegalMaskedScatter(Type *DataType) const {
129 return TTIImpl->isLegalMaskedGather(DataType);
132 int TargetTransformInfo::getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
136 unsigned AddrSpace) const {
137 int Cost = TTIImpl->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg,
139 assert(Cost >= 0 && "TTI should not produce negative costs!");
143 bool TargetTransformInfo::isTruncateFree(Type *Ty1, Type *Ty2) const {
144 return TTIImpl->isTruncateFree(Ty1, Ty2);
147 bool TargetTransformInfo::isProfitableToHoist(Instruction *I) const {
148 return TTIImpl->isProfitableToHoist(I);
151 bool TargetTransformInfo::isTypeLegal(Type *Ty) const {
152 return TTIImpl->isTypeLegal(Ty);
155 unsigned TargetTransformInfo::getJumpBufAlignment() const {
156 return TTIImpl->getJumpBufAlignment();
159 unsigned TargetTransformInfo::getJumpBufSize() const {
160 return TTIImpl->getJumpBufSize();
163 bool TargetTransformInfo::shouldBuildLookupTables() const {
164 return TTIImpl->shouldBuildLookupTables();
167 bool TargetTransformInfo::enableAggressiveInterleaving(bool LoopHasReductions) const {
168 return TTIImpl->enableAggressiveInterleaving(LoopHasReductions);
171 bool TargetTransformInfo::enableInterleavedAccessVectorization() const {
172 return TTIImpl->enableInterleavedAccessVectorization();
175 TargetTransformInfo::PopcntSupportKind
176 TargetTransformInfo::getPopcntSupport(unsigned IntTyWidthInBit) const {
177 return TTIImpl->getPopcntSupport(IntTyWidthInBit);
180 bool TargetTransformInfo::haveFastSqrt(Type *Ty) const {
181 return TTIImpl->haveFastSqrt(Ty);
184 int TargetTransformInfo::getFPOpCost(Type *Ty) const {
185 int Cost = TTIImpl->getFPOpCost(Ty);
186 assert(Cost >= 0 && "TTI should not produce negative costs!");
190 int TargetTransformInfo::getIntImmCost(const APInt &Imm, Type *Ty) const {
191 int Cost = TTIImpl->getIntImmCost(Imm, Ty);
192 assert(Cost >= 0 && "TTI should not produce negative costs!");
196 int TargetTransformInfo::getIntImmCost(unsigned Opcode, unsigned Idx,
197 const APInt &Imm, Type *Ty) const {
198 int Cost = TTIImpl->getIntImmCost(Opcode, Idx, Imm, Ty);
199 assert(Cost >= 0 && "TTI should not produce negative costs!");
203 int TargetTransformInfo::getIntImmCost(Intrinsic::ID IID, unsigned Idx,
204 const APInt &Imm, Type *Ty) const {
205 int Cost = TTIImpl->getIntImmCost(IID, Idx, Imm, Ty);
206 assert(Cost >= 0 && "TTI should not produce negative costs!");
210 unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const {
211 return TTIImpl->getNumberOfRegisters(Vector);
214 unsigned TargetTransformInfo::getRegisterBitWidth(bool Vector) const {
215 return TTIImpl->getRegisterBitWidth(Vector);
218 unsigned TargetTransformInfo::getMaxInterleaveFactor(unsigned VF) const {
219 return TTIImpl->getMaxInterleaveFactor(VF);
222 int TargetTransformInfo::getArithmeticInstrCost(
223 unsigned Opcode, Type *Ty, OperandValueKind Opd1Info,
224 OperandValueKind Opd2Info, OperandValueProperties Opd1PropInfo,
225 OperandValueProperties Opd2PropInfo) const {
226 int Cost = TTIImpl->getArithmeticInstrCost(Opcode, Ty, Opd1Info, Opd2Info,
227 Opd1PropInfo, Opd2PropInfo);
228 assert(Cost >= 0 && "TTI should not produce negative costs!");
232 int TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Ty, int Index,
234 int Cost = TTIImpl->getShuffleCost(Kind, Ty, Index, SubTp);
235 assert(Cost >= 0 && "TTI should not produce negative costs!");
239 int TargetTransformInfo::getCastInstrCost(unsigned Opcode, Type *Dst,
241 int Cost = TTIImpl->getCastInstrCost(Opcode, Dst, Src);
242 assert(Cost >= 0 && "TTI should not produce negative costs!");
246 int TargetTransformInfo::getCFInstrCost(unsigned Opcode) const {
247 int Cost = TTIImpl->getCFInstrCost(Opcode);
248 assert(Cost >= 0 && "TTI should not produce negative costs!");
252 int TargetTransformInfo::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
253 Type *CondTy) const {
254 int Cost = TTIImpl->getCmpSelInstrCost(Opcode, ValTy, CondTy);
255 assert(Cost >= 0 && "TTI should not produce negative costs!");
259 int TargetTransformInfo::getVectorInstrCost(unsigned Opcode, Type *Val,
260 unsigned Index) const {
261 int Cost = TTIImpl->getVectorInstrCost(Opcode, Val, Index);
262 assert(Cost >= 0 && "TTI should not produce negative costs!");
266 int TargetTransformInfo::getMemoryOpCost(unsigned Opcode, Type *Src,
268 unsigned AddressSpace) const {
269 int Cost = TTIImpl->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
270 assert(Cost >= 0 && "TTI should not produce negative costs!");
274 int TargetTransformInfo::getMaskedMemoryOpCost(unsigned Opcode, Type *Src,
276 unsigned AddressSpace) const {
278 TTIImpl->getMaskedMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
279 assert(Cost >= 0 && "TTI should not produce negative costs!");
283 int TargetTransformInfo::getGatherScatterOpCost(unsigned Opcode, Type *DataTy,
284 Value *Ptr, bool VariableMask,
285 unsigned Alignment) const {
286 int Cost = TTIImpl->getGatherScatterOpCost(Opcode, DataTy, Ptr, VariableMask,
288 assert(Cost >= 0 && "TTI should not produce negative costs!");
292 int TargetTransformInfo::getInterleavedMemoryOpCost(
293 unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef<unsigned> Indices,
294 unsigned Alignment, unsigned AddressSpace) const {
295 int Cost = TTIImpl->getInterleavedMemoryOpCost(Opcode, VecTy, Factor, Indices,
296 Alignment, AddressSpace);
297 assert(Cost >= 0 && "TTI should not produce negative costs!");
301 int TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
302 ArrayRef<Type *> Tys) const {
303 int Cost = TTIImpl->getIntrinsicInstrCost(ID, RetTy, Tys);
304 assert(Cost >= 0 && "TTI should not produce negative costs!");
308 int TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
309 ArrayRef<Value *> Args) const {
310 int Cost = TTIImpl->getIntrinsicInstrCost(ID, RetTy, Args);
311 assert(Cost >= 0 && "TTI should not produce negative costs!");
315 int TargetTransformInfo::getCallInstrCost(Function *F, Type *RetTy,
316 ArrayRef<Type *> Tys) const {
317 int Cost = TTIImpl->getCallInstrCost(F, RetTy, Tys);
318 assert(Cost >= 0 && "TTI should not produce negative costs!");
322 unsigned TargetTransformInfo::getNumberOfParts(Type *Tp) const {
323 return TTIImpl->getNumberOfParts(Tp);
326 int TargetTransformInfo::getAddressComputationCost(Type *Tp,
327 bool IsComplex) const {
328 int Cost = TTIImpl->getAddressComputationCost(Tp, IsComplex);
329 assert(Cost >= 0 && "TTI should not produce negative costs!");
333 int TargetTransformInfo::getReductionCost(unsigned Opcode, Type *Ty,
334 bool IsPairwiseForm) const {
335 int Cost = TTIImpl->getReductionCost(Opcode, Ty, IsPairwiseForm);
336 assert(Cost >= 0 && "TTI should not produce negative costs!");
341 TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) const {
342 return TTIImpl->getCostOfKeepingLiveOverCall(Tys);
345 bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst,
346 MemIntrinsicInfo &Info) const {
347 return TTIImpl->getTgtMemIntrinsic(Inst, Info);
350 Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
351 IntrinsicInst *Inst, Type *ExpectedType) const {
352 return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
355 bool TargetTransformInfo::areInlineCompatible(const Function *Caller,
356 const Function *Callee) const {
357 return TTIImpl->areInlineCompatible(Caller, Callee);
360 TargetTransformInfo::Concept::~Concept() {}
362 TargetIRAnalysis::TargetIRAnalysis() : TTICallback(&getDefaultTTI) {}
364 TargetIRAnalysis::TargetIRAnalysis(
365 std::function<Result(const Function &)> TTICallback)
366 : TTICallback(TTICallback) {}
368 TargetIRAnalysis::Result TargetIRAnalysis::run(const Function &F) {
369 return TTICallback(F);
372 char TargetIRAnalysis::PassID;
374 TargetIRAnalysis::Result TargetIRAnalysis::getDefaultTTI(const Function &F) {
375 return Result(F.getParent()->getDataLayout());
378 // Register the basic pass.
379 INITIALIZE_PASS(TargetTransformInfoWrapperPass, "tti",
380 "Target Transform Information", false, true)
381 char TargetTransformInfoWrapperPass::ID = 0;
383 void TargetTransformInfoWrapperPass::anchor() {}
385 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass()
386 : ImmutablePass(ID) {
387 initializeTargetTransformInfoWrapperPassPass(
388 *PassRegistry::getPassRegistry());
391 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass(
392 TargetIRAnalysis TIRA)
393 : ImmutablePass(ID), TIRA(std::move(TIRA)) {
394 initializeTargetTransformInfoWrapperPassPass(
395 *PassRegistry::getPassRegistry());
398 TargetTransformInfo &TargetTransformInfoWrapperPass::getTTI(const Function &F) {
404 llvm::createTargetTransformInfoWrapperPass(TargetIRAnalysis TIRA) {
405 return new TargetTransformInfoWrapperPass(std::move(TIRA));