diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/ArgumentPromotion.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Scalar/GVN.cpp | 6 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Scalar/MergedLoadStoreMotion.cpp | 8 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopSimplify.cpp | 1 |
5 files changed, 1 insertions, 18 deletions
diff --git a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp index f7543632825..4762011d63d 100644 --- a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp +++ b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp @@ -825,7 +825,6 @@ CallGraphNode *ArgPromotion::DoPromotion(Function *F, V = GetElementPtrInst::Create(SI->first, V, Ops, V->getName() + ".idx", Call); Ops.clear(); - AA.copyValue(OrigLoad->getOperand(0), V); } // Since we're replacing a load make sure we take the alignment // of the previous load. @@ -837,7 +836,6 @@ CallGraphNode *ArgPromotion::DoPromotion(Function *F, newLoad->setAAMetadata(AAInfo); Args.push_back(newLoad); - AA.copyValue(OrigLoad, Args.back()); } } diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp index 60903c8b4aa..2c47a8ab783 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/lib/Transforms/Scalar/GVN.cpp @@ -1304,11 +1304,7 @@ static Value *ConstructSSAForLoadSet(LoadInst *LI, if (V->getType()->getScalarType()->isPointerTy()) { AliasAnalysis *AA = gvn.getAliasAnalysis(); - for (unsigned i = 0, e = NewPHIs.size(); i != e; ++i) - AA->copyValue(LI, NewPHIs[i]); - - // Now that we've copied information to the new PHIs, scan through - // them again and inform alias analysis that we've added potentially + // Scan the new PHIs and inform alias analysis that we've added potentially // escaping uses to any values that are operands to these PHIs. for (unsigned i = 0, e = NewPHIs.size(); i != e; ++i) { PHINode *P = NewPHIs[i]; diff --git a/llvm/lib/Transforms/Scalar/MergedLoadStoreMotion.cpp b/llvm/lib/Transforms/Scalar/MergedLoadStoreMotion.cpp index 243db8d70ca..643f3740eed 100644 --- a/llvm/lib/Transforms/Scalar/MergedLoadStoreMotion.cpp +++ b/llvm/lib/Transforms/Scalar/MergedLoadStoreMotion.cpp @@ -301,10 +301,6 @@ void MergedLoadStoreMotion::hoistInstruction(BasicBlock *BB, // Merged instruction Instruction *HoistedInst = HoistCand->clone(); - // Notify AA of the new value. - if (isa<LoadInst>(HoistCand)) - AA->copyValue(HoistCand, HoistedInst); - // Hoist instruction. HoistedInst->insertBefore(HoistPt); @@ -451,9 +447,6 @@ PHINode *MergedLoadStoreMotion::getPHIOperand(BasicBlock *BB, StoreInst *S0, NewPN->addIncoming(Opd1, S0->getParent()); NewPN->addIncoming(Opd2, S1->getParent()); if (NewPN->getType()->getScalarType()->isPointerTy()) { - // Notify AA of the new value. - AA->copyValue(Opd1, NewPN); - AA->copyValue(Opd2, NewPN); // AA needs to be informed when a PHI-use of the pointer value is added for (unsigned I = 0, E = NewPN->getNumIncomingValues(); I != E; ++I) { unsigned J = PHINode::getOperandNumForIncomingValue(I); @@ -491,7 +484,6 @@ bool MergedLoadStoreMotion::sinkStore(BasicBlock *BB, StoreInst *S0, // Create the new store to be inserted at the join point. StoreInst *SNew = (StoreInst *)(S0->clone()); Instruction *ANew = A0->clone(); - AA->copyValue(S0, SNew); SNew->insertBefore(InsertPt); ANew->insertBefore(SNew); diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index 53471de6154..ef7dacac79c 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -440,8 +440,6 @@ static void UpdatePHINodes(BasicBlock *OrigBB, BasicBlock *NewBB, // Create the new PHI node, insert it into NewBB at the end of the block PHINode *NewPHI = PHINode::Create(PN->getType(), Preds.size(), PN->getName() + ".ph", BI); - if (AA) - AA->copyValue(PN, NewPHI); // NOTE! This loop walks backwards for a reason! First off, this minimizes // the cost of removal if we end up removing a large number of values, and diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp index 2e7d21cb171..5c98043e463 100644 --- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp +++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp @@ -403,7 +403,6 @@ static BasicBlock *insertUniqueBackedgeBlock(Loop *L, BasicBlock *Preheader, PHINode *PN = cast<PHINode>(I); PHINode *NewPN = PHINode::Create(PN->getType(), BackedgeBlocks.size(), PN->getName()+".be", BETerminator); - if (AA) AA->copyValue(PN, NewPN); // Loop over the PHI node, moving all entries except the one for the // preheader over to the new PHI node. |
