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-rw-r--r--lib/Transforms/Scalar/LoopStrengthReduce.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 6554d6a452..f8be95fc0d 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1637,7 +1637,7 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEV *const &Stride,
// do this by forcing a BitCast (noop cast) to be inserted into the
// preheader in this case.
if (!fitsInAddressMode(Base, getAccessType(Inst), TLI, false) &&
- !isa<Instruction>(BaseV)) {
+ isa<Constant>(BaseV)) {
// We want this constant emitted into the preheader! This is just
// using cast as a copy so BitCast (no-op cast) is appropriate
BaseV = new BitCastInst(BaseV, BaseV->getType(), "preheaderinsert",