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
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index a16e334..5fdf9a9 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -409,9 +409,9 @@
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)) {