diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index f0ea3d9fcad5..e7f983a00e30 100644 --- a/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -487,13 +487,6 @@ Instruction *InstCombinerImpl::visitMul(BinaryOperator &I) { if (Instruction *Res = foldBinOpOfSelectAndCastOfSelectCondition(I)) return Res; - // min(X, Y) * max(X, Y) => X * Y. - if (match(&I, m_CombineOr(m_c_Mul(m_SMax(m_Value(X), m_Value(Y)), - m_c_SMin(m_Deferred(X), m_Deferred(Y))), - m_c_Mul(m_UMax(m_Value(X), m_Value(Y)), - m_c_UMin(m_Deferred(X), m_Deferred(Y)))))) - return BinaryOperator::CreateWithCopiedFlags(Instruction::Mul, X, Y, &I); - // (mul Op0 Op1): // if Log2(Op0) folds away -> // (shl Op1, Log2(Op0)) |