[llvm] [GISel] Convert zext nneg to sext if it is cheaper (PR #93842)

Thorsten Schütt via llvm-commits llvm-commits at lists.llvm.org
Thu May 30 10:48:03 PDT 2024

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tschuett wrote:

The pattern goes in Combine.td. The C++ goes into CombinerHelper. Ping me.

https://github.com/llvm/llvm-project/pull/93842

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