diff options
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 449cee3bda..5c007551af 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -560,11 +560,17 @@ Value *BasedUser::InsertCodeForBaseAtPosition(const SCEVHandle &NewBase, OperandValToReplace->getType()); Value *Base = Rewriter.expandCodeFor(NewBase, BaseInsertPt); + + // If we are inserting the base and imm values in the same block, make sure to + // adjust the IP position if insertion reused a result. + if (IP == BaseInsertPt) + IP = Rewriter.getInsertionPoint(); // Always emit the immediate (if non-zero) into the same block as the user. SCEVHandle NewValSCEV = SCEVAddExpr::get(SCEVUnknown::get(Base), Imm); return Rewriter.expandCodeFor(NewValSCEV, IP, OperandValToReplace->getType()); + } |