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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-02-08 06:44:58 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-02-08 06:44:58 +0000 |
| commit | cb3fa37c7e8cde6363e5beacd3abc1c55f3da0d9 (patch) | |
| tree | 49cdaff6fd8080a1c65dc305079140c1d4a0588a /llvm/lib/Transforms | |
| parent | 0033fcf72e6408a209d93ca92d5d89cb04e20744 (diff) | |
| download | bcm5719-llvm-cb3fa37c7e8cde6363e5beacd3abc1c55f3da0d9.tar.gz bcm5719-llvm-cb3fa37c7e8cde6363e5beacd3abc1c55f3da0d9.zip | |
LSR: Check atomic instruction pointer operands
llvm-svn: 294410
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 97e87c5521e..63b42d4b3f4 100644 --- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -713,7 +713,7 @@ static GlobalValue *ExtractSymbol(const SCEV *&S, ScalarEvolution &SE) { static bool isAddressUse(Instruction *Inst, Value *OperandVal) { bool isAddress = isa<LoadInst>(Inst); if (StoreInst *SI = dyn_cast<StoreInst>(Inst)) { - if (SI->getOperand(1) == OperandVal) + if (SI->getPointerOperand() == OperandVal) isAddress = true; } else if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(Inst)) { // Addressing modes can also be folded into prefetches and a variety @@ -725,6 +725,12 @@ static bool isAddressUse(Instruction *Inst, Value *OperandVal) { isAddress = true; break; } + } else if (AtomicRMWInst *RMW = dyn_cast<AtomicRMWInst>(Inst)) { + if (RMW->getPointerOperand() == OperandVal) + isAddress = true; + } else if (AtomicCmpXchgInst *CmpX = dyn_cast<AtomicCmpXchgInst>(Inst)) { + if (CmpX->getPointerOperand() == OperandVal) + isAddress = true; } return isAddress; } @@ -737,6 +743,10 @@ static MemAccessTy getAccessType(const Instruction *Inst) { AccessTy.AddrSpace = SI->getPointerAddressSpace(); } else if (const LoadInst *LI = dyn_cast<LoadInst>(Inst)) { AccessTy.AddrSpace = LI->getPointerAddressSpace(); + } else if (const AtomicRMWInst *RMW = dyn_cast<AtomicRMWInst>(Inst)) { + AccessTy.AddrSpace = RMW->getPointerAddressSpace(); + } else if (const AtomicCmpXchgInst *CmpX = dyn_cast<AtomicCmpXchgInst>(Inst)) { + AccessTy.AddrSpace = CmpX->getPointerAddressSpace(); } // All pointers have the same requirements, so canonicalize them to an |
