diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCompares.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCompares.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp index 518af74..72fd558 100644 --- a/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -877,25 +877,26 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, case ICmpInst::ICMP_EQ: if (LoOverflow && HiOverflow) return ReplaceInstUsesWith(ICI, ConstantInt::getFalse(ICI.getContext())); - else if (HiOverflow) + if (HiOverflow) return new ICmpInst(DivIsSigned ? ICmpInst::ICMP_SGE : ICmpInst::ICMP_UGE, X, LoBound); - else if (LoOverflow) + if (LoOverflow) return new ICmpInst(DivIsSigned ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT, X, HiBound); - else - return InsertRangeTest(X, LoBound, HiBound, DivIsSigned, true, ICI); + return ReplaceInstUsesWith(ICI, + InsertRangeTest(X, LoBound, HiBound, DivIsSigned, + true)); case ICmpInst::ICMP_NE: if (LoOverflow && HiOverflow) return ReplaceInstUsesWith(ICI, ConstantInt::getTrue(ICI.getContext())); - else if (HiOverflow) + if (HiOverflow) return new ICmpInst(DivIsSigned ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT, X, LoBound); - else if (LoOverflow) + if (LoOverflow) return new ICmpInst(DivIsSigned ? ICmpInst::ICMP_SGE : ICmpInst::ICMP_UGE, X, HiBound); - else - return InsertRangeTest(X, LoBound, HiBound, DivIsSigned, false, ICI); + return ReplaceInstUsesWith(ICI, InsertRangeTest(X, LoBound, HiBound, + DivIsSigned, false)); case ICmpInst::ICMP_ULT: case ICmpInst::ICMP_SLT: if (LoOverflow == +1) // Low bound is greater than input range. |
