[all-commits] [llvm/llvm-project] 215aca: [GlobalISel] SBFX/UBFX does not create poison (#16...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 215aca4432fc47d71f1d5e6fdbe2ed342bb3dea6
      https://github.com/llvm/llvm-project/commit/215aca4432fc47d71f1d5e6fdbe2ed342bb3dea6
  Author: David Green <david.green at arm.com>
  Date:   2025-10-31 (Fri, 31 Oct 2025)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/Utils.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/combine-freeze.mir

  Log Message:
  -----------
  [GlobalISel] SBFX/UBFX does not create poison (#165675)

This adds G_SBFX/G_UBFX to the list of instructions that do not generate
poison, to allowing freeze to be hoisted above one.



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