[llvm] [X86] Extend checkSignTestSetCCCombine to handle SHL/SIGN_EXTEND_INREG (PR #178376)

Abhiram Jampani via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 28 00:27:32 PST 2026

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Abhiramjampani wrote:

@RKSimon, This PR addresses #178376 - extending checkSignTestSetCCCombine to handle SHL/SIGN_EXTEND_INREG patterns in CMP(X,0) cases.

https://github.com/llvm/llvm-project/pull/178376

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