diff options
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 8f578200d6..46ac762b0a 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -5789,7 +5789,8 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, // e.g. X/-5 op -3 --> [15, 20) LoBound = Prod; LoOverflow = HiOverflow = ProdOV ? 1 : 0; - HiOverflow = SubWithOverflow(HiBound, Prod, DivRHS, true); + if (!HiOverflow) + HiOverflow = SubWithOverflow(HiBound, Prod, DivRHS, true); } // Dividing by a negative swaps the condition. LT <-> GT |