diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index e357a9da8b12..4dc712f32536 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -1595,12 +1595,6 @@ Value *InstCombinerImpl::SimplifyDemandedVectorElts(Value *V, simplifyAndSetOp(I, 0, DemandedElts, UndefElts); simplifyAndSetOp(I, 1, DemandedElts, UndefElts2); - // Any change to an instruction with potential poison must clear those flags - // because we can not guarantee those constraints now. Other analysis may - // determine that it is safe to re-apply the flags. - if (MadeChange) - BO->dropPoisonGeneratingFlags(); - // Output elements are undefined if both are undefined. Consider things // like undef & 0. The result is known zero, not undef. UndefElts &= UndefElts2; |