[llvm] [X86] Transform `(xor x, SIGN_BIT)` -> `(add x, SIGN_BIT)` 32 bit and smaller scalars (PR #83659)

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Sun Mar 10 10:11:24 PDT 2024

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https://github.com/goldsteinn closed https://github.com/llvm/llvm-project/pull/83659

Previous message: [clang] [llvm] [InstCombine] Canonicalize `(sitofp x)` -> `(uitofp x)` if `x >= 0` (PR #82404)
Next message: [llvm] [X86] Transform `(xor x, SIGN_BIT)` -> `(add x, SIGN_BIT)` 32 bit and smaller scalars (PR #83659)
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