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Minor code simplification.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74240 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-06-26 00:26:03 +00:00
parent b604b2c470
commit 30d670f51f
1 changed files with 3 additions and 7 deletions
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8
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. /// PHINode may not have an entry for the original pre-header.
void LoopRotate::updateExitBlock() { void LoopRotate::updateExitBlock() {
for (BasicBlock::iterator I = Exit->begin(), E = Exit->end(); for (BasicBlock::iterator I = Exit->begin();
I != E; ++I) { PHINode *PN = dyn_cast<PHINode>(I); ++I) {
PHINode *PN = dyn_cast<PHINode>(I);
if (!PN)
break;
// There is already one incoming value from original pre-header block. // There is already one incoming value from original pre-header block.
if (PN->getBasicBlockIndex(OrigPreHeader) != -1) if (PN->getBasicBlockIndex(OrigPreHeader) != -1)