[all-commits] [llvm/llvm-project] 259d50: AMDGPU: Make frame index folding logic consistent ...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu/make-frameIndexMayFold-consistent-eliminateFrameIndex
  Home:   https://github.com/llvm/llvm-project
  Commit: 259d50ba23b92666d579ed8d3110ccf9552ff371
      https://github.com/llvm/llvm-project/commit/259d50ba23b92666d579ed8d3110ccf9552ff371
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-03-04 (Tue, 04 Mar 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
    M llvm/test/CodeGen/AMDGPU/fold-operands-frame-index.mir
    M llvm/test/CodeGen/AMDGPU/fold-operands-s-add-copy-to-vgpr.mir
    M llvm/test/CodeGen/AMDGPU/frame-index-elimination.ll
    M llvm/test/CodeGen/AMDGPU/huge-private-buffer.ll
    M llvm/test/CodeGen/AMDGPU/local-stack-alloc-block-sp-reference.ll

  Log Message:
  -----------
  AMDGPU: Make frame index folding logic consistent with eliminateFrameIndex

This adds handling of s_add_u32, which is handled and removes handling of
s_or_b32 and s_and_b32, which are not. I was working on handling them
in #102345, but need to finish that patch. This fixes a regression
exposed by a3165398db0736588daedb07650195502592e567 where the
final instruction would use two literals.



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