[all-commits] [llvm/llvm-project] 4ba0e3: [AMDGPU] Fix scalar_to_vector v4f16 pattern (#186188)

[Frederik Harwath via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4ba0e3fd71bf506144a649dd85613e3e480df196
      https://github.com/llvm/llvm-project/commit/4ba0e3fd71bf506144a649dd85613e3e480df196
  Author: Frederik Harwath <frederik.harwath at amd.com>
  Date:   2026-03-12 (Thu, 12 Mar 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIInstructions.td
    M llvm/test/CodeGen/AMDGPU/scalar_to_vector.ll

  Log Message:
  -----------
  [AMDGPU] Fix scalar_to_vector v4f16 pattern (#186188)

The patterns for v4f16 and v4i16 generate invalid code since the result must be 64 bit wide.
Also activate gfx1100 testing for the scalar_to_vector test which covers this pattern.



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