[all-commits] [llvm/llvm-project] caeefe: [InstCombine] Extend `foldSelectInstWithICmpConst`...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: caeefe7b9403a281d5ea3501c3792ba01b3ee7ae
      https://github.com/llvm/llvm-project/commit/caeefe7b9403a281d5ea3501c3792ba01b3ee7ae
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2025-02-02 (Sun, 02 Feb 2025)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
    M llvm/test/Transforms/InstCombine/select-min-max.ll

  Log Message:
  -----------
  [InstCombine] Extend `foldSelectInstWithICmpConst` to handle minmax (#125346)

This patch extends
https://github.com/llvm/llvm-project/commit/f6bb156fb10cd83953a34f75b78835cdf399ee8b
to handle minmax intrinsics.
Motivating case: https://alive2.llvm.org/ce/z/JFKbYn 
Addresses a regression caused by
https://github.com/llvm/llvm-project/pull/121958.

It also works for `*.sat`. But no real-world benefit is observed.



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