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

llvm-svn: 52651
This commit is contained in:
Dan Gohman 2008-06-23 23:23:49 +00:00
parent ea736c5d02
commit abd8f41c81
1 changed files with 1 additions and 1 deletions
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2
llvm/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(); for (BasicBlock::iterator BI = (*LI)->begin(), BE = (*LI)->end();
BI != BE; ) { BI != BE; ) {
Instruction* I = BI++; Instruction* I = BI++;
if (I->getNumUses() > 0 && IsLoopInvariantInst(I, L)) if (!I->use_empty() && IsLoopInvariantInst(I, L))
I->moveBefore(preheader->getTerminator()); I->moveBefore(preheader->getTerminator());
} }