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| author | Chris Lattner <sabre@nondot.org> | 2010-11-21 07:34:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-11-21 07:34:32 +0000 |
| commit | e48c31ce33d5d033aa9a79f092057d92173a676d (patch) | |
| tree | c640c676b0ab95a69b4cfd2be27f8228b8d557bb /llvm/lib/Analysis/MemoryDependenceAnalysis.cpp | |
| parent | 6e22221b377b660e63b617950ca6c4bb04f222e8 (diff) | |
| download | llvm-e48c31ce33d5d033aa9a79f092057d92173a676d.zip llvm-e48c31ce33d5d033aa9a79f092057d92173a676d.tar.gz llvm-e48c31ce33d5d033aa9a79f092057d92173a676d.tar.bz2 | |
implement PR8576, deleting dead stores with intervening may-alias stores.
llvm-svn: 119927
Diffstat (limited to 'llvm/lib/Analysis/MemoryDependenceAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/MemoryDependenceAnalysis.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp index a16e334..5fdf9a9 100644 --- a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -409,9 +409,9 @@ MemDepResult MemoryDependenceAnalysis::getDependency(Instruction *QueryInst) { if (MemLoc.Ptr) { // If we can do a pointer scan, make it happen. bool isLoad = !(MR & AliasAnalysis::Mod); - if (IntrinsicInst *II = dyn_cast<MemoryUseIntrinsic>(QueryInst)) { + if (IntrinsicInst *II = dyn_cast<MemoryUseIntrinsic>(QueryInst)) isLoad |= II->getIntrinsicID() == Intrinsic::lifetime_end; - } + LocalCache = getPointerDependencyFrom(MemLoc, isLoad, ScanPos, QueryParent); } else if (isa<CallInst>(QueryInst) || isa<InvokeInst>(QueryInst)) { |