[all-commits] [llvm/llvm-project] 01c8cd: [AArch64][GlobalISel] Full reverse shuffles. (#119...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 01c8cd664a9bea23a49c863a39351949ac11a4fd
      https://github.com/llvm/llvm-project/commit/01c8cd664a9bea23a49c863a39351949ac11a4fd
  Author: David Green <david.green at arm.com>
  Date:   2024-12-29 (Sun, 29 Dec 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64Combine.td
    M llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerLowering.cpp
    M llvm/test/CodeGen/AArch64/aarch64-dup-ext.ll
    M llvm/test/CodeGen/AArch64/neon-reverseshuffle.ll

  Log Message:
  -----------
  [AArch64][GlobalISel] Full reverse shuffles. (#119083)

A full shuffle reverse needs to use EXT+REV64. This adds handling for more types than SDAG so long as the mask is isReverseMask to make the patterns simpler.



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