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| author | Pete Cooper <peter_cooper@apple.com> | 2011-11-10 20:22:08 +0000 |
|---|---|---|
| committer | Pete Cooper <peter_cooper@apple.com> | 2011-11-10 20:22:08 +0000 |
| commit | c7e5a6a2c69ee2552242da2a70775acd7d8819ae (patch) | |
| tree | 69575bc4d68884fd71c439cca5805786801b088c /lib | |
| parent | c343e3192bf239add2fee4aa716fc6a5444b1f7d (diff) | |
| download | llvm-c7e5a6a2c69ee2552242da2a70775acd7d8819ae.tar.gz llvm-c7e5a6a2c69ee2552242da2a70775acd7d8819ae.tar.bz2 llvm-c7e5a6a2c69ee2552242da2a70775acd7d8819ae.tar.xz | |
Fixed bug in DeadStoreElimination commit r144239
Size of data being pointed to wasn't always being checked so some small writes were killing big writes
Fixes <rdar://problem/10426753>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144312 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/DeadStoreElimination.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp index 03a557e060..8f5f157a03 100644 --- a/lib/Transforms/Scalar/DeadStoreElimination.cpp +++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp @@ -380,7 +380,7 @@ static OverwriteResult isOverwrite(const AliasAnalysis::Location &Later, if (isObjectPointerWithTrustworthySize(UO2)) { uint64_t ObjectSize = TD.getTypeAllocSize(cast<PointerType>(UO2->getType())->getElementType()); - if (ObjectSize == Later.Size) + if (ObjectSize == Later.Size && ObjectSize >= Earlier.Size) return OverwriteComplete; } |