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Commoning of target specific load/store intrinsics in Early CSE.

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Phabricator revision: http://reviews.llvm.org/D7121
Patch by Sanjin Sijaric <ssijaric@codeaurora.org>!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227149 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2015-01-26 22:51:15 +00:00
parent f96362358f
commit 13faabb6c5
6 changed files with 486 additions and 29 deletions
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19
lib/Analysis/TargetTransformInfo.cpp
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@@ -254,6 +254,16 @@ unsigned TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type*> Tys)
return PrevTTI->getCostOfKeepingLiveOverCall(Tys);
}
Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
IntrinsicInst *Inst, Type *ExpectedType) const {
return PrevTTI->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
}
bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst,
MemIntrinsicInfo &Info) const {
return PrevTTI->getTgtMemIntrinsic(Inst, Info);
}
namespace {
struct NoTTI final : ImmutablePass, TargetTransformInfo {
@@ -656,6 +666,15 @@ struct NoTTI final : ImmutablePass, TargetTransformInfo {
return 0;
}
bool getTgtMemIntrinsic(IntrinsicInst *Inst,
MemIntrinsicInfo &Info) const override {
return false;
}
Value *getOrCreateResultFromMemIntrinsic(IntrinsicInst *Inst,
Type *ExpectedType) const override {
return nullptr;
}
};
} // end anonymous namespace