[all-commits] [llvm/llvm-project] 6b2703: [SelectionDAG] Allow FREEZE to be hoisted before F...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6b270358c71c3bc57a0dec6586c2f7a9d4d0a85b
      https://github.com/llvm/llvm-project/commit/6b270358c71c3bc57a0dec6586c2f7a9d4d0a85b
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-03-08 (Fri, 08 Mar 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/test/CodeGen/RISCV/bfloat-convert.ll
    M llvm/test/CodeGen/RISCV/double-convert.ll
    M llvm/test/CodeGen/RISCV/double-round-conv-sat.ll
    M llvm/test/CodeGen/RISCV/float-convert.ll
    M llvm/test/CodeGen/RISCV/float-round-conv-sat.ll
    M llvm/test/CodeGen/RISCV/half-convert.ll
    M llvm/test/CodeGen/RISCV/half-round-conv-sat.ll

  Log Message:
  -----------
  [SelectionDAG] Allow FREEZE to be hoisted before FP SETCC. (#84358)

No nans/infs in SelectionDAG is complicated. Hopefully I've captured
all of the cases. I've only applied to ConsiderFlags to the SDNodeFlags
since those are the only ones that will be droped by hoisting. The
condition code and TargetOptions would still be in effect.
    
Recovers some regression from #84232.



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