Minor code simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74240 91177308-0d34-0410-b5e6-96231b3b80d8
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 @@
/// 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 @@
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);