[all-commits] [llvm/llvm-project] 56474d: DAG: Preserve more flags when expanding gep

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/dag-builder-set-more-flags-from-gep
  Home:   https://github.com/llvm/llvm-project
  Commit: 56474dac206d8592cccc229cb56e1f12b543ec97
      https://github.com/llvm/llvm-project/commit/56474dac206d8592cccc229cb56e1f12b543ec97
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-10-02 (Wed, 02 Oct 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    M llvm/test/CodeGen/AMDGPU/gep-flags-stack-offsets.ll
    M llvm/test/DebugInfo/Sparc/pointer-add-unknown-offset-debug-info.ll

  Log Message:
  -----------
  DAG: Preserve more flags when expanding gep

This allows selecting the addressing mode for stack instructions
in cases where we need to prove the sign bit is zero.



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