[all-commits] [llvm/llvm-project] 16cbcc: [AMDGPU][GlobalISel] Allow forming s16 U/SBFX pre-...

[Pierre van Houtryve via All-commits]

  Branch: refs/heads/users/pierre-vh/bfx-on-s16
  Home:   https://github.com/llvm/llvm-project
  Commit: 16cbcc2c44bfe74ba54f00c5be634c54ff43a5cf
      https://github.com/llvm/llvm-project/commit/16cbcc2c44bfe74ba54f00c5be634c54ff43a5cf
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2025-03-21 (Fri, 21 Mar 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshl.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshr.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sbfx.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ubfx.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/lshr.ll

  Log Message:
  -----------
  [AMDGPU][GlobalISel] Allow forming s16 U/SBFX pre-regbankselect

Make s16 G_U/SBFX legal and widen them in RegBankSelect.
This allows the set of BFX formation combines to work on s16 types.



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