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-rw-r--r--llvm/lib/Transforms/Scalar/LoopInterchange.cpp9
1 files changed, 2 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
index aadbc3857e4..8347dbe4598 100644
--- a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -1281,13 +1281,8 @@ static void moveBBContents(BasicBlock *FromBB, Instruction *InsertBefore) {
static void updateIncomingBlock(BasicBlock *CurrBlock, BasicBlock *OldPred,
BasicBlock *NewPred) {
- for (PHINode &PHI : CurrBlock->phis()) {
- unsigned Num = PHI.getNumIncomingValues();
- for (unsigned i = 0; i < Num; ++i) {
- if (PHI.getIncomingBlock(i) == OldPred)
- PHI.setIncomingBlock(i, NewPred);
- }
- }
+ for (PHINode &PHI : CurrBlock->phis())
+ PHI.replaceIncomingBlockWith(OldPred, NewPred);
}
/// Update BI to jump to NewBB instead of OldBB. Records updates to
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