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| author | Gabor Greif <ggreif@gmail.com> | 2010-07-09 14:29:14 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2010-07-09 14:29:14 +0000 |
| commit | 4247949ce9524501601fc3104d34afe0280b7ad3 (patch) | |
| tree | 8301bb4440fa4c81866c7db5f45937b7a2e86f6e | |
| parent | 2732561be9bb280f25269c4ff1e92bdc1c28be8c (diff) | |
| download | bcm5719-llvm-4247949ce9524501601fc3104d34afe0280b7ad3.tar.gz bcm5719-llvm-4247949ce9524501601fc3104d34afe0280b7ad3.zip | |
cache result of operator*
llvm-svn: 107968
| -rw-r--r-- | llvm/lib/Transforms/Utils/LCSSA.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Utils/LCSSA.cpp b/llvm/lib/Transforms/Utils/LCSSA.cpp index df6e603c0ba..e90c30bba78 100644 --- a/llvm/lib/Transforms/Utils/LCSSA.cpp +++ b/llvm/lib/Transforms/Utils/LCSSA.cpp @@ -190,14 +190,15 @@ bool LCSSA::ProcessInstruction(Instruction *Inst, for (Value::use_iterator UI = Inst->use_begin(), E = Inst->use_end(); UI != E; ++UI) { - BasicBlock *UserBB = cast<Instruction>(*UI)->getParent(); - if (PHINode *PN = dyn_cast<PHINode>(*UI)) + User *U = *UI; + BasicBlock *UserBB = cast<Instruction>(U)->getParent(); + if (PHINode *PN = dyn_cast<PHINode>(U)) UserBB = PN->getIncomingBlock(UI); if (InstBB != UserBB && !inLoop(UserBB)) UsesToRewrite.push_back(&UI.getUse()); } - + // If there are no uses outside the loop, exit with no change. if (UsesToRewrite.empty()) return false; |
