[all-commits] [llvm/llvm-project] fc3e6a: DAG: Handle lowering unordered compare with inf (#...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fc3e6a81868a0c84e405622a64756e57f020ca37
      https://github.com/llvm/llvm-project/commit/fc3e6a81868a0c84e405622a64756e57f020ca37
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-09-05 (Thu, 05 Sep 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/AArch64/isinf.ll
    M llvm/test/CodeGen/PowerPC/fp-classify.ll

  Log Message:
  -----------
  DAG: Handle lowering unordered compare with inf (#100378)

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



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