diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/LoopRotation.cpp | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/LoopRotation.cpp b/lib/Transforms/Scalar/LoopRotation.cpp index ae9ab95..ff40e48 100644 --- a/lib/Transforms/Scalar/LoopRotation.cpp +++ b/lib/Transforms/Scalar/LoopRotation.cpp @@ -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) @@ -384,7 +380,7 @@ void LoopRotate::updateExitBlock() { const RenameData *ILoopHeaderInfo; Value *V = PN->getIncomingValueForBlock(OrigHeader); - if (isa<Instruction>(V) && + if (isa<Instruction>(V) && (ILoopHeaderInfo = findReplacementData(cast<Instruction>(V)))) { assert(ILoopHeaderInfo->PreHeader && "Missing New Preheader Instruction"); PN->addIncoming(ILoopHeaderInfo->PreHeader, OrigPreHeader); |