diff options
| author | Gabor Greif <ggreif@gmail.com> | 2010-07-09 14:28:41 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2010-07-09 14:28:41 +0000 |
| commit | 5891ac8be82b77d1b7059b0a52cbdf6ba6f52eb0 (patch) | |
| tree | e6e521d7f224aa3353aa8577cfbf53fb320b1441 /lib/Analysis/LoopInfo.cpp | |
| parent | 5417a03b55e90cbd7e8ac5e8eed4ab45890af7c3 (diff) | |
cache result of operator*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107967 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/LoopInfo.cpp')
| -rw-r--r-- | lib/Analysis/LoopInfo.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp index 735e31f252..818d0a9dd1 100644 --- a/lib/Analysis/LoopInfo.cpp +++ b/lib/Analysis/LoopInfo.cpp @@ -266,15 +266,16 @@ unsigned Loop::getSmallConstantTripMultiple() const { bool Loop::isLCSSAForm(DominatorTree &DT) const { // Sort the blocks vector so that we can use binary search to do quick // lookups. - SmallPtrSet<BasicBlock *, 16> LoopBBs(block_begin(), block_end()); + SmallPtrSet<BasicBlock*, 16> LoopBBs(block_begin(), block_end()); for (block_iterator BI = block_begin(), E = block_end(); BI != E; ++BI) { BasicBlock *BB = *BI; 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 |