[all-commits] [llvm/llvm-project] c52d0e: Reland "[AMDGPU] PromoteAlloca: flatten homogeneou...

[Domenic Nutile via All-commits]

  Branch: refs/heads/users/saxlungs/reland-promote-alloca-homogeneous-structs
  Home:   https://github.com/llvm/llvm-project
  Commit: c52d0ec20a770e878b68e6f3d6e182a264f5a6a1
      https://github.com/llvm/llvm-project/commit/c52d0ec20a770e878b68e6f3d6e182a264f5a6a1
  Author: Domenic Nutile <domenic.nutile at gmail.com>
  Date:   2026-09-23 (Wed, 23 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)

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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