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cache result of operator*

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107967 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-07-09 14:28:41 +00:00
parent 5417a03b55
commit 5891ac8be8
1 changed files with 4 additions and 3 deletions
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5
lib/Analysis/LoopInfo.cpp
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@ -273,8 +273,9 @@ bool Loop::isLCSSAForm(DominatorTree &DT) const {
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E;++I)
for (Value::use_iterator UI = I->use_begin(), E = I->use_end(); UI != E;
++UI) {
BasicBlock *UserBB = cast<Instruction>(*UI)->getParent();
if (PHINode *P = dyn_cast<PHINode>(*UI))
User *U = *UI;
BasicBlock *UserBB = cast<Instruction>(U)->getParent();
if (PHINode *P = dyn_cast<PHINode>(U))
UserBB = P->getIncomingBlock(UI);
// Check the current block, as a fast-path, before checking whether