[llvm] [X86] Use the standard cmp+cmov for select (X != 0), -1, Y if we will be setting sbb to 0 anyway (PR #149672)

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Mon Jul 21 14:49:20 PDT 2025

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AZero13 wrote:

@RKSimon @topperc thoughts? 

https://github.com/llvm/llvm-project/pull/149672

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