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[TTI] Expose isNoopAddrSpaceCast in TTI. 

Reviewers: arsenm

Subscribers: wdng, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D82025
This commit is contained in:
Michael Liao 2020-06-09 15:07:08 -04:00
parent 4976771e11
commit 2defe55722
4 changed files with 18 additions and 0 deletions
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7
llvm/include/llvm/Analysis/TargetTransformInfo.h
View File

@ -377,6 +377,8 @@ public:
bool collectFlatAddressOperands(SmallVectorImpl<int> &OpIndexes,
Intrinsic::ID IID) const;
bool isNoopAddrSpaceCast(unsigned FromAS, unsigned ToAS) const;
/// Rewrite intrinsic call \p II such that \p OldV will be replaced with \p
/// NewV, which has a different address space. This should happen for every
/// operand index that collectFlatAddressOperands returned for the intrinsic.
@ -1275,6 +1277,7 @@ public:
virtual unsigned getFlatAddressSpace() = 0;
virtual bool collectFlatAddressOperands(SmallVectorImpl<int> &OpIndexes,
Intrinsic::ID IID) const = 0;
virtual bool isNoopAddrSpaceCast(unsigned FromAS, unsigned ToAS) const = 0;
virtual Value *rewriteIntrinsicWithAddressSpace(IntrinsicInst *II,
Value *OldV,
Value *NewV) const = 0;
@ -1546,6 +1549,10 @@ public:
return Impl.collectFlatAddressOperands(OpIndexes, IID);
}
bool isNoopAddrSpaceCast(unsigned FromAS, unsigned ToAS) const override {
return Impl.isNoopAddrSpaceCast(FromAS, ToAS);
}
Value *rewriteIntrinsicWithAddressSpace(IntrinsicInst *II, Value *OldV,
Value *NewV) const override {
return Impl.rewriteIntrinsicWithAddressSpace(II, OldV, NewV);

2
llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
View File

@ -87,6 +87,8 @@ public:
return false;
}
bool isNoopAddrSpaceCast(unsigned, unsigned) const { return false; }
Value *rewriteIntrinsicWithAddressSpace(IntrinsicInst *II, Value *OldV,
Value *NewV) const {
return nullptr;

4
llvm/include/llvm/CodeGen/BasicTTIImpl.h
View File

@ -222,6 +222,10 @@ public:
return false;
}
bool isNoopAddrSpaceCast(unsigned FromAS, unsigned ToAS) const {
return getTLI()->isNoopAddrSpaceCast(FromAS, ToAS);
}
Value *rewriteIntrinsicWithAddressSpace(IntrinsicInst *II, Value *OldV,
Value *NewV) const {
return nullptr;

5
llvm/lib/Analysis/TargetTransformInfo.cpp
View File

@ -291,6 +291,11 @@ bool TargetTransformInfo::collectFlatAddressOperands(
return TTIImpl->collectFlatAddressOperands(OpIndexes, IID);
}
bool TargetTransformInfo::isNoopAddrSpaceCast(unsigned FromAS,
unsigned ToAS) const {
return TTIImpl->isNoopAddrSpaceCast(FromAS, ToAS);
}
Value *TargetTransformInfo::rewriteIntrinsicWithAddressSpace(
IntrinsicInst *II, Value *OldV, Value *NewV) const {
return TTIImpl->rewriteIntrinsicWithAddressSpace(II, OldV, NewV);