[llvm] [llvm][InstCombine] Fold signum(x) into scmp(x, 0) (PR #143445)

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Tue Jun 10 10:25:18 PDT 2025

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AZero13 wrote:

Irrelevant to this PR in itself, but why does llc lower the src in alive2 better than the intrinsic? 

https://github.com/llvm/llvm-project/pull/143445

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