[all-commits] [llvm/llvm-project] 0e1cb2: Reapply "DAG: Allow select ptr combine for non-0 a...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0e1cb2de90aafa1d5dbd46fc9e6c4e743700fa8b
      https://github.com/llvm/llvm-project/commit/0e1cb2de90aafa1d5dbd46fc9e6c4e743700fa8b
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-11-20 (Thu, 20 Nov 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AMDGPU/load-select-ptr.ll
    M llvm/test/CodeGen/AMDGPU/select-load-to-load-select-ptr-combine.ll
    M llvm/test/CodeGen/AMDGPU/select-vectors.ll
    M llvm/test/CodeGen/AMDGPU/select64.ll
    M llvm/test/CodeGen/NVPTX/bf16-instructions.ll
    M llvm/test/CodeGen/NVPTX/bf16x2-instructions.ll
    M llvm/test/CodeGen/NVPTX/bug22246.ll
    M llvm/test/CodeGen/NVPTX/fast-math.ll
    M llvm/test/CodeGen/NVPTX/i1-select.ll
    M llvm/test/CodeGen/NVPTX/i8x4-instructions.ll
    M llvm/test/CodeGen/NVPTX/lower-byval-args.ll

  Log Message:
  -----------
  Reapply "DAG: Allow select ptr combine for non-0 address spaces" (#168292) (#168786)

This reverts commit 6d5f87fc4284c4c22512778afaf7f2ba9326ba7b.

Previously this failed due to treating the unknown MachineMemOperand
value as known uniform.



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