diff options
| author | Owen Anderson <resistor@mac.com> | 2007-07-12 00:06:21 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2007-07-12 00:06:21 +0000 |
| commit | 1cb960a4bb97336be1339fd5bc2eb28f125f099a (patch) | |
| tree | c480bb4285e1ffc331cda2df3a73dfe3377ead95 /lib/Transforms/Scalar/FastDSE.cpp | |
| parent | 680171f210b6415f556aacfb7fcee5b0f690bde2 (diff) | |
Let MemoryDependenceAnalysis take care of updating AliasAnalysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39769 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/FastDSE.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/FastDSE.cpp | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/lib/Transforms/Scalar/FastDSE.cpp b/lib/Transforms/Scalar/FastDSE.cpp index e2d81794d8..e353aef7f9 100644 --- a/lib/Transforms/Scalar/FastDSE.cpp +++ b/lib/Transforms/Scalar/FastDSE.cpp @@ -70,7 +70,6 @@ namespace { FunctionPass *llvm::createFastDeadStoreEliminationPass() { return new FDSE(); } bool FDSE::runOnBasicBlock(BasicBlock &BB) { - AliasAnalysis &AA = getAnalysis<AliasAnalysis>(); MemoryDependenceAnalysis& MD = getAnalysis<MemoryDependenceAnalysis>(); // Record the last-seen store to this pointer @@ -101,7 +100,6 @@ bool FDSE::runOnBasicBlock(BasicBlock &BB) { // Remove it! MD.removeInstruction(last); - AA.deleteValue(last); // DCE instructions only used to calculate that store if (Instruction* D = dyn_cast<Instruction>(last->getOperand(0))) @@ -157,7 +155,6 @@ bool FDSE::handleFreeWithNonTrivialDependency(FreeInst* F, StoreInst* dependency if (A == AliasAnalysis::MustAlias) { // Remove it! MD.removeInstruction(dependency); - AA.deleteValue(dependency); // DCE instructions only used to calculate that store if (Instruction* D = dyn_cast<Instruction>(dependency->getOperand(0))) @@ -200,7 +197,6 @@ bool FDSE::handleEndBlock(BasicBlock& BB, SetVector<Instruction*>& possiblyDead) if (deadPointers.count(S->getPointerOperand())){ // Remove it! MD.removeInstruction(S); - AA.deleteValue(S); // DCE instructions only used to calculate that store if (Instruction* D = dyn_cast<Instruction>(S->getOperand(0))) @@ -230,7 +226,6 @@ void FDSE::DeleteDeadInstructionChains(Instruction *I, // Let the memory dependence know getAnalysis<MemoryDependenceAnalysis>().removeInstruction(I); - getAnalysis<AliasAnalysis>().deleteValue(I); // See if this made any operands dead. We do it this way in case the // instruction uses the same operand twice. We don't want to delete a |