[llvm] [InstCombine] Simplify a complex OR to XOR (PR #75129)

[via llvm-commits]

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@@ -3343,6 +3343,25 @@ Instruction *InstCombinerImpl::visitOr(BinaryOperator &I) {
   if (Instruction *X = foldComplexAndOrPatterns(I, Builder))
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bcl5980 wrote:

maybe move into foldComplexAndOrPatterns?

https://github.com/llvm/llvm-project/pull/75129