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| author | Piotr Padlewski <piotr.padlewski@gmail.com> | 2016-12-27 15:06:07 +0000 |
|---|---|---|
| committer | Piotr Padlewski <piotr.padlewski@gmail.com> | 2016-12-27 15:06:07 +0000 |
| commit | 2202aa97653bcfe8d21504d22652a0bf39d4031e (patch) | |
| tree | e954a602765d61e46dadd4a8502f0675c3168c12 /llvm/lib/Analysis/MemoryDependenceAnalysis.cpp | |
| parent | 5240a305a4c9047fdba15f4322f8f2cef6275eed (diff) | |
| download | llvm-2202aa97653bcfe8d21504d22652a0bf39d4031e.zip llvm-2202aa97653bcfe8d21504d22652a0bf39d4031e.tar.gz llvm-2202aa97653bcfe8d21504d22652a0bf39d4031e.tar.bz2 | |
[MemDep] Operand visited twice bugfix
Because operand was not marked as seen it was visited twice.
It doesn't change behavior of optimization, it just saves redudant
visit, so no test changes.
llvm-svn: 290607
Diffstat (limited to 'llvm/lib/Analysis/MemoryDependenceAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/MemoryDependenceAnalysis.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp index dc5f927..647b1de 100644 --- a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -353,6 +353,7 @@ MemoryDependenceResults::getInvariantGroupPointerDependency(LoadInst *LI, // Queue to process all pointers that are equivalent to load operand. SmallVector<Value *, 8> LoadOperandsQueue; LoadOperandsQueue.push_back(LoadOperand); + Seen.insert(LoadOperand); while (!LoadOperandsQueue.empty()) { Value *Ptr = LoadOperandsQueue.pop_back_val(); if (isa<GlobalValue>(Ptr)) |