[all-commits] [llvm/llvm-project] ef4a19: Reland "[AMDGPU] PromoteAlloca: flatten homogeneou...

[Domenic Nutile via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ef4a19d2cd7ae5d5e42003c6bc239af912eed611
      https://github.com/llvm/llvm-project/commit/ef4a19d2cd7ae5d5e42003c6bc239af912eed611
  Author: Domenic Nutile <domenic.nutile at gmail.com>
  Date:   2026-09-30 (Wed, 30 Sep 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp
    M llvm/test/CodeGen/AMDGPU/eliminate-frame-index-select.ll
    A llvm/test/CodeGen/AMDGPU/promote-alloca-homogeneous-struct.ll

  Log Message:
  -----------
  Reland "[AMDGPU] PromoteAlloca: flatten homogeneous structs to vectors" (#221058) (#223790)

This relands #217055

The original commit revealed a latent issue in eliminateFrameIndex in
SIRegisterInfo where SCC can be clobbered before reading it on
gfx900/gfx90a. This change itself has no known issues.



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