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cache result of operator* 

llvm-svn: 107968
This commit is contained in:
Gabor Greif 2010-07-09 14:29:14 +00:00
parent 2732561be9
commit 4247949ce9
1 changed files with 4 additions and 3 deletions
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7
llvm/lib/Transforms/Utils/LCSSA.cpp
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@ -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;