[all-commits] [llvm/llvm-project] af3fff: [DAG] Always allow folding XOR patterns to ABS pre...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: af3ffff34fb39cfb1e19dce68bd1c3fefda336a4
      https://github.com/llvm/llvm-project/commit/af3ffff34fb39cfb1e19dce68bd1c3fefda336a4
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-06-07 (Fri, 07 Jun 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    M llvm/lib/Target/ARM/ARMInstrNEON.td
    M llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll
    M llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-idiv.ll
    M llvm/test/CodeGen/AMDGPU/bypass-div.ll
    M llvm/test/CodeGen/AMDGPU/div_i128.ll
    M llvm/test/CodeGen/AMDGPU/div_v2i128.ll
    M llvm/test/CodeGen/AMDGPU/idiv-licm.ll
    M llvm/test/CodeGen/AMDGPU/itofp.i128.bf.ll
    M llvm/test/CodeGen/AMDGPU/itofp.i128.ll
    M llvm/test/CodeGen/AMDGPU/rem_i128.ll
    M llvm/test/CodeGen/AMDGPU/sdiv.ll
    M llvm/test/CodeGen/AMDGPU/sdiv64.ll
    M llvm/test/CodeGen/AMDGPU/srem64.ll
    M llvm/test/CodeGen/X86/div-rem-pair-recomposition-signed.ll
    M llvm/test/CodeGen/X86/pr38539.ll

  Log Message:
  -----------
  [DAG] Always allow folding XOR patterns to ABS pre-legalization (#94601)

Removes residual ARM handling for vXi64 ABS nodes to prevent infinite loops.



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