[all-commits] [llvm/llvm-project] b3fa45: [SimplifyCFG] Add support for hoisting commutative...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b3fa45b64265d182ba081b2cfdcce454b72280d5
      https://github.com/llvm/llvm-project/commit/b3fa45b64265d182ba081b2cfdcce454b72280d5
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-08-20 (Tue, 20 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/hoist-common-code.ll

  Log Message:
  -----------
  [SimplifyCFG] Add support for hoisting commutative instructions (#104805)

This extends SimplifyCFG hoisting to also hoist instructions with
commuted operands, for example a+b on one side and b+a on the other
side.

This should address the issue mentioned in:
https://github.com/llvm/llvm-project/pull/91185#issuecomment-2097447927



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