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| author | Owen Anderson <resistor@mac.com> | 2008-06-17 22:27:06 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2008-06-17 22:27:06 +0000 |
| commit | 2960ed4b85d49fbdb3270605a1bfdbfbdcb97d62 (patch) | |
| tree | 78916a1c175c13c39851be184e120b9c92f62d1f | |
| parent | b79bf1966dfee044510d365a952ae550091d9d91 (diff) | |
| download | external_llvm-2960ed4b85d49fbdb3270605a1bfdbfbdcb97d62.zip external_llvm-2960ed4b85d49fbdb3270605a1bfdbfbdcb97d62.tar.gz external_llvm-2960ed4b85d49fbdb3270605a1bfdbfbdcb97d62.tar.bz2 | |
We don't want to find dependencies within the same block in this case. It leads to incorrect results because
we're detecting something at or after the call we're querying on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52433 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/GVN.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp index 563f6e6..7ea3ed8 100644 --- a/lib/Transforms/Scalar/GVN.cpp +++ b/lib/Transforms/Scalar/GVN.cpp @@ -492,7 +492,7 @@ uint32_t ValueTable::lookup_or_add(Value* V) { return nextValueNumber++; } else if (I->second != MemoryDependenceAnalysis::NonLocal) { - if (DT->dominates(I->first, C->getParent())) { + if (DT->properlyDominates(I->first, C->getParent())) { if (CallInst* CD = dyn_cast<CallInst>(I->second)) cdep = CD; else { |