diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 321b032505c..d2827af3d74 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -2699,6 +2699,8 @@ Instruction *InstCombiner::visitSetCondInst(SetCondInst &I) { if (CI->isNullValue()) { // (X / neg) op 0 LoBound = AddOne(DivRHS); HiBound = cast<ConstantInt>(ConstantExpr::getNeg(DivRHS)); + if (HiBound == DivRHS) + LoBound = 0; // - INTMIN = INTMIN } else if (isPositive(CI)) { // (X / neg) op pos HiOverflow = LoOverflow = ProdOV; if (!LoOverflow) |
