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Minor code simplification. 

llvm-svn: 74240
This commit is contained in:
Dan Gohman 2009-06-26 00:26:03 +00:00
parent cf661fc12a
commit 31167c61d5
1 changed files with 3 additions and 7 deletions
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8
llvm/lib/Transforms/Scalar/LoopRotation.cpp
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@ -371,12 +371,8 @@ bool LoopRotate::rotateLoop(Loop *Lp, LPPassManager &LPM) {
/// PHINode may not have an entry for the original pre-header.
void LoopRotate::updateExitBlock() {
for (BasicBlock::iterator I = Exit->begin(), E = Exit->end();
I != E; ++I) {
PHINode *PN = dyn_cast<PHINode>(I);
if (!PN)
break;
for (BasicBlock::iterator I = Exit->begin();
PHINode *PN = dyn_cast<PHINode>(I); ++I) {
// There is already one incoming value from original pre-header block.
if (PN->getBasicBlockIndex(OrigPreHeader) != -1)