[llvm] [InstCombine] Handle multi-use in simplifyAndOrWithOpReplaced() (PR #81006)

[Nikita Popov via llvm-commits]

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@@ -3602,14 +3604,6 @@ Instruction *InstCombinerImpl::visitOr(BinaryOperator &I) {
     if (match(Op1, m_Xor(m_Specific(B), m_Specific(A))))
       return BinaryOperator::CreateOr(Op1, C);
 
-  // ((A & B) ^ C) | B -> C | B
-  if (match(Op0, m_c_Xor(m_c_And(m_Value(A), m_Specific(Op1)), m_Value(C))))
-    return BinaryOperator::CreateOr(C, Op1);
-
-  // B | ((A & B) ^ C) -> B | C
-  if (match(Op1, m_c_Xor(m_c_And(m_Value(A), m_Specific(Op0)), m_Value(C))))
-    return BinaryOperator::CreateOr(Op0, C);
-
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nikic wrote:

Done.

https://github.com/llvm/llvm-project/pull/81006