[all-commits] [llvm/llvm-project] 1588e1: DAG: Check isCondCodeLegal in is_fpclass expansion...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1588e18b2d516dc15675b978aa48c5ce16c0de0a
      https://github.com/llvm/llvm-project/commit/1588e18b2d516dc15675b978aa48c5ce16c0de0a
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-07-06 (Thu, 06 Jul 2023)

  Changed paths:
    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: Check isCondCodeLegal in is_fpclass expansion to fcmp eq 0

Results in some x86 codegen diffs. Some look better, some look worse.

https://reviews.llvm.org/D152094