[all-commits] [llvm/llvm-project] 1d782c: [PowerPC] Pass nofpexcept flag to custom lowered c...

[Qiu Chaofan via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 1d782c29872ce3dcc4b64bfde97e197e9042fbfb
      https://github.com/llvm/llvm-project/commit/1d782c29872ce3dcc4b64bfde97e197e9042fbfb
  Author: Qiu Chaofan <qiucofan at cn.ibm.com>
  Date:   2020-09-21 (Mon, 21 Sep 2020)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    M llvm/test/CodeGen/PowerPC/fp-strict-conv-f128.ll
    M llvm/test/CodeGen/PowerPC/fp-strict-conv.ll

  Log Message:
  -----------
  [PowerPC] Pass nofpexcept flag to custom lowered constrained ops

This is a follow-up of D86605. For strict DAG FP node, if its FP
exception behavior metadata is ignore, it should have nofpexcept flag.
But during custom lowering, this flag isn't passed down.

This is also seen on X86 target.

Reviewed By: uweigand

Differential Revision: https://reviews.llvm.org/D87390