diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 79826975729..5f16284631e 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -2122,17 +2122,6 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { if (ConstantInt *RHS = dyn_cast<ConstantInt>(Op1)) { ConstantInt *C1 = nullptr; Value *X = nullptr; - // (X & C1) | C2 --> (X | C2) & (C1|C2) - // iff (C1 & C2) != 0. - if (match(Op0, m_And(m_Value(X), m_ConstantInt(C1))) && - (RHS->getValue() & C1->getValue()) != 0 && - Op0->hasOneUse()) { - Value *Or = Builder->CreateOr(X, RHS); - Or->takeName(Op0); - return BinaryOperator::CreateAnd(Or, - Builder->getInt(RHS->getValue() | C1->getValue())); - } - // (X ^ C1) | C2 --> (X | C2) ^ (C1&~C2) if (match(Op0, m_Xor(m_Value(X), m_ConstantInt(C1))) && Op0->hasOneUse()) { |
