[all-commits] [llvm/llvm-project] c957d9: [SeparateConstOffsetFromGEP] Preserve inbounds fla...

[Fabian Ritter via All-commits]

  Branch: refs/heads/users/ritter-x2a/03-10-_separateconstoffsetfromgep_preserve_inbounds_flag_based_on_valuetracking
  Home:   https://github.com/llvm/llvm-project
  Commit: c957d905bea1d664564a08dbca0909b905920a8c
      https://github.com/llvm/llvm-project/commit/c957d905bea1d664564a08dbca0909b905920a8c
  Author: Fabian Ritter <fabian.ritter at amd.com>
  Date:   2025-03-13 (Thu, 13 Mar 2025)

  Changed paths:
    M llvm/lib/Transforms/Scalar/SeparateConstOffsetFromGEP.cpp
    M llvm/test/Transforms/SeparateConstOffsetFromGEP/AMDGPU/preserve-inbounds.ll
    M llvm/test/Transforms/SeparateConstOffsetFromGEP/NVPTX/split-gep-and-gvn.ll
    M llvm/test/Transforms/SeparateConstOffsetFromGEP/NVPTX/split-gep.ll

  Log Message:
  -----------
  [SeparateConstOffsetFromGEP] Preserve inbounds flag based on ValueTracking

If we know that the initial GEP was inbounds, and we change it to a
sequence of GEPs from the same base pointer where every offset is
non-negative, then the new GEPs are inbounds.

For SWDEV-516125.


  Commit: a9bb6060628deb03d8e12f689864add0369357e8
      https://github.com/llvm/llvm-project/commit/a9bb6060628deb03d8e12f689864add0369357e8
  Author: Fabian Ritter <fabian.ritter at amd.com>
  Date:   2025-03-13 (Thu, 13 Mar 2025)

  Changed paths:
    M llvm/test/Transforms/SeparateConstOffsetFromGEP/AMDGPU/preserve-inbounds.ll

  Log Message:
  -----------
  Simplify test case and add more


Compare: https://github.com/llvm/llvm-project/compare/836e477fb553...a9bb6060628d

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