[all-commits] [llvm/llvm-project] 5e4e24: DAG: Handle lowering unordered compare with inf

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/dag-lower-unordered-compare-with-inf
  Home:   https://github.com/llvm/llvm-project
  Commit: 5e4e24595fb18134324b9c6b25ecea148b736c5e
      https://github.com/llvm/llvm-project/commit/5e4e24595fb18134324b9c6b25ecea148b736c5e
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-08-29 (Thu, 29 Aug 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/CodeGenCommonISel.h
    M llvm/lib/CodeGen/CodeGenCommonISel.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/test/CodeGen/X86/is_fpclass.ll

  Log Message:
  -----------
  DAG: Handle lowering unordered compare with inf

Try to take advantage of the nan check behavior of fcmp.
x86_64 looks better, x86_32 looks worse.


  Commit: e052a1128cd8047818d90369017f89448cae819b
      https://github.com/llvm/llvm-project/commit/e052a1128cd8047818d90369017f89448cae819b
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-08-29 (Thu, 29 Aug 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/test/CodeGen/AArch64/isinf.ll
    M llvm/test/CodeGen/PowerPC/fp-classify.ll
    M llvm/test/CodeGen/X86/is_fpclass.ll

  Log Message:
  -----------
  Check for immediate legality

This avoids the x86_32 regressions, at the expense of
several other cases.


  Commit: 72509a7b63976539ffa44f81a4c9ad333c46e9ba
      https://github.com/llvm/llvm-project/commit/72509a7b63976539ffa44f81a4c9ad333c46e9ba
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-08-29 (Thu, 29 Aug 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/CodeGenCommonISel.h

  Log Message:
  -----------
  Remove doxygen line


Compare: https://github.com/llvm/llvm-project/compare/238f697ae0fd...72509a7b6397

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