[all-commits] [llvm/llvm-project] fd8004: [GlobalISel][AArch64] Handles bitreverse to preven...

[jyli0116 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fd800487382e2ee3944493d58a961b6f48290243
      https://github.com/llvm/llvm-project/commit/fd800487382e2ee3944493d58a961b6f48290243
  Author: jyli0116 <yu.li at arm.com>
  Date:   2025-05-06 (Tue, 06 May 2025)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
    M llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    M llvm/test/CodeGen/AArch64/bitreverse.ll

  Log Message:
  -----------
  [GlobalISel][AArch64] Handles bitreverse to prevent falling back (#138150)

Handles bitreverse for vector types which were previously falling back
onto Selection DAG. Includes 8-bit element vectors greater than 128 bits
and less than 64 bits: <32 x i8>, <4 x i8>, and odd vector types: <9 x
i8>.



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