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-rw-r--r--lib/Analysis/ScalarEvolution.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 49af579..6592e0d 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -923,10 +923,10 @@ const SCEV *ScalarEvolution::getSignExtendExpr(const SCEV *Op,
getTruncateOrZeroExtend(Step, Start->getType()));
Add = getAddExpr(Start, UMul);
OperandExtendedAdd =
- getAddExpr(getZeroExtendExpr(Start, WideTy),
+ getAddExpr(getSignExtendExpr(Start, WideTy),
getMulExpr(getZeroExtendExpr(CastedMaxBECount, WideTy),
getZeroExtendExpr(Step, WideTy)));
- if (getZeroExtendExpr(Add, WideTy) == OperandExtendedAdd)
+ if (getSignExtendExpr(Add, WideTy) == OperandExtendedAdd)
// Return the expression with the addrec on the outside.
return getAddRecExpr(getSignExtendExpr(Start, Ty),
getZeroExtendExpr(Step, Ty),