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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 | f6f1f062cc8029aa75ca7d0e99fbc1e0b453d07e (patch) | |
| tree | aaeabb940e1abda8247927a5003401bd865f3085 /lib/Analysis/MemoryDependenceAnalysis.cpp | |
| parent | b7dfb970e60d0e559f9e27e3914a4cbb8e7be5eb (diff) | |
implement PR8576, deleting dead stores with intervening may-alias stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119927 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/MemoryDependenceAnalysis.cpp')
| -rw-r--r-- | lib/Analysis/MemoryDependenceAnalysis.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp index a16e334e02..5fdf9a9c1a 100644 --- a/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/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)) { |