[all-commits] [llvm/llvm-project] 4c057f: [AMDGPU][true16] extract 16bit for scratch_load_ub...

[Guo Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4c057feb7835680c39c78e826c033307bec74295
      https://github.com/llvm/llvm-project/commit/4c057feb7835680c39c78e826c033307bec74295
  Author: Guo Chen <guochen2 at amd.com>
  Date:   2026-06-12 (Fri, 12 Jun 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
    A llvm/test/CodeGen/AMDGPU/spillv16Kernel.ll

  Log Message:
  -----------
  [AMDGPU][true16] extract 16bit for scratch_load_ubyte_st when spilling (#203589)

In sramecc mode scratch_load_ubyte_st is selected for 16bit spilling.
Need a tmp vgpr32 and extract lo16 from it



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