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Use use_empty() instead of getNumUses(), avoiding a use list traversal.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-06-23 23:23:49 +00:00
parent b3db9c90d2
commit cb41e6bf52
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/LoopDeletion.cpp
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@ -209,7 +209,7 @@ bool LoopDeletion::runOnLoop(Loop* L, LPPassManager& LPM) {
for (BasicBlock::iterator BI = (*LI)->begin(), BE = (*LI)->end();
BI != BE; ) {
Instruction* I = BI++;
if (I->getNumUses() > 0 && IsLoopInvariantInst(I, L))
if (!I->use_empty() && IsLoopInvariantInst(I, L))
I->moveBefore(preheader->getTerminator());
}