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| author | Gabor Greif <ggreif@gmail.com> | 2010-04-14 16:48:56 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2010-04-14 16:48:56 +0000 |
| commit | c08e5df836894a66efd6e945e7baa0faff582e5b (patch) | |
| tree | a3ec2d7b76c31b1b1b7aa850dea9a62652a7c433 /llvm/lib/Transforms/Scalar/Reg2Mem.cpp | |
| parent | 69e8e322d9744a3298add4ebbe45a19d29942b13 (diff) | |
| download | bcm5719-llvm-c08e5df836894a66efd6e945e7baa0faff582e5b.tar.gz bcm5719-llvm-c08e5df836894a66efd6e945e7baa0faff582e5b.zip | |
performance: cache the dereferenced use_iterator
llvm-svn: 101253
Diffstat (limited to 'llvm/lib/Transforms/Scalar/Reg2Mem.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/Reg2Mem.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/Reg2Mem.cpp b/llvm/lib/Transforms/Scalar/Reg2Mem.cpp index 7a6eec3d46b..13222ac2200 100644 --- a/llvm/lib/Transforms/Scalar/Reg2Mem.cpp +++ b/llvm/lib/Transforms/Scalar/Reg2Mem.cpp @@ -46,10 +46,11 @@ namespace { bool valueEscapes(const Instruction *Inst) const { const BasicBlock *BB = Inst->getParent(); for (Value::const_use_iterator UI = Inst->use_begin(),E = Inst->use_end(); - UI != E; ++UI) - if (cast<Instruction>(*UI)->getParent() != BB || - isa<PHINode>(*UI)) + UI != E; ++UI) { + const Instruction *I = cast<Instruction>(*UI); + if (I->getParent() != BB || isa<PHINode>(I)) return true; + } return false; } |
