[all-commits] [llvm/llvm-project] ebb64d: [GlobalISel] Make the Combiner insert G_FREEZE whe...

[Owen Anderson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ebb64d8370f9f425f10c4b084aa62adc2926e2dd
      https://github.com/llvm/llvm-project/commit/ebb64d8370f9f425f10c4b084aa62adc2926e2dd
  Author: Owen Anderson <resistor at mac.com>
  Date:   2024-02-26 (Mon, 26 Feb 2024)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/combine-select.mir
    M llvm/test/CodeGen/AArch64/cmp-chains.ll

  Log Message:
  -----------
  [GlobalISel] Make the Combiner insert G_FREEZE when converting G_SELECT to binary operations. (#82733)

This is needed because the binary operators (G_OR and G_AND) do
not have the poison-suppressing semantics of G_SELECT.

Fixes https://github.com/llvm/llvm-project/issues/72475



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