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| author | Chris Lattner <sabre@nondot.org> | 2009-12-22 01:00:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-12-22 01:00:32 +0000 |
| commit | 2ee6787c1b9eec52ad96f9394361b2db4bcfcffa (patch) | |
| tree | 071fb373a72a7fd84a1dc870d4970616b267c264 /llvm/lib | |
| parent | 463e10cbd53aceb554b0d62fdad3554cc9816246 (diff) | |
| download | bcm5719-llvm-2ee6787c1b9eec52ad96f9394361b2db4bcfcffa.tar.gz bcm5719-llvm-2ee6787c1b9eec52ad96f9394361b2db4bcfcffa.zip | |
avoid calling extractMallocCall when it's obvious we don't have
a call. This speeds up memdep ~1.5%
llvm-svn: 91869
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Analysis/MemoryDependenceAnalysis.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp index 743420b5b80..d7b0b64ea97 100644 --- a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -275,7 +275,8 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad, // a subsequent bitcast of the malloc call result. There can be stores to // the malloced memory between the malloc call and its bitcast uses, and we // need to continue scanning until the malloc call. - if (isa<AllocaInst>(Inst) || extractMallocCall(Inst)) { + if (isa<AllocaInst>(Inst) || + (isa<CallInst>(Inst) && extractMallocCall(Inst))) { Value *AccessPtr = MemPtr->getUnderlyingObject(); if (AccessPtr == Inst || |
