[all-commits] [llvm/llvm-project] c27e04: DAG: Lower single infinity is.fpclass tests to fcmp

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/dag-lower-single-inf-is-fpclass-to-fcmp
  Home:   https://github.com/llvm/llvm-project
  Commit: c27e0441cacf32077d0c101304a0b0b3d336058c
      https://github.com/llvm/llvm-project/commit/c27e0441cacf32077d0c101304a0b0b3d336058c
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-07-24 (Wed, 24 Jul 2024)

  Changed paths:
    M llvm/lib/CodeGen/CodeGenCommonISel.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/test/CodeGen/X86/is_fpclass-fp80.ll
    M llvm/test/CodeGen/X86/is_fpclass.ll

  Log Message:
  -----------
  DAG: Lower single infinity is.fpclass tests to fcmp

InstCombine also should have taken care of this, but this
should be helpful when the fcmp based lowering strategy tries
to combine multiple tests.



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