diff options
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index cf974b8876..f11976fe87 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -542,6 +542,8 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(Value *Stride, } SCEVExpander Rewriter(*SE, *LI); + SCEVExpander PreheaderRewriter(*SE, *LI); + BasicBlock *Preheader = L->getLoopPreheader(); Instruction *PreInsertPt = Preheader->getTerminator(); Instruction *PhiInsertBefore = L->getHeader()->begin(); @@ -578,7 +580,8 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(Value *Stride, // Emit the initial base value into the loop preheader, and add it to the // Phi node. - Value *BaseV = Rewriter.expandCodeFor(Base, PreInsertPt, ReplacedTy); + Value *BaseV = PreheaderRewriter.expandCodeFor(Base, PreInsertPt, + ReplacedTy); NewPHI->addIncoming(BaseV, Preheader); // Emit the increment of the base value before the terminator of the loop |