[all-commits] [llvm/llvm-project] 429858: [ARM] Fix some fp16 Shuffle lowering without +full...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4298580c5516bc37c5afd3389b61374ac4b6014e
      https://github.com/llvm/llvm-project/commit/4298580c5516bc37c5afd3389b61374ac4b6014e
  Author: David Green <david.green at arm.com>
  Date:   2026-05-31 (Sun, 31 May 2026)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    A llvm/test/CodeGen/Thumb2/mve-shuffle-fp16.ll

  Log Message:
  -----------
  [ARM] Fix some fp16 Shuffle lowering without +fullfp16 (#200688)

Without fullfp16 f16 is not a legal type, meaning we need to be careful
with
how we legalize shuffle vector and buildvector operations that cannot be
treated more optimially using shuffles.



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