diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp index b5718c3a9e0..dcfacc2e7d9 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp @@ -785,7 +785,9 @@ Instruction *InstCombiner::foldSPFofSPF(Instruction *Inner, // This transform is performance neutral if we can elide at least one xor from // the set of three operands, since we'll be tacking on an xor at the very // end. - if (IsFreeOrProfitableToInvert(A, NotA, ElidesXor) && + if (SelectPatternResult::isMinOrMax(SPF1) && + SelectPatternResult::isMinOrMax(SPF2) && + IsFreeOrProfitableToInvert(A, NotA, ElidesXor) && IsFreeOrProfitableToInvert(B, NotB, ElidesXor) && IsFreeOrProfitableToInvert(C, NotC, ElidesXor) && ElidesXor) { if (!NotA) |
