[PATCH] D87390: [PowerPC] Pass nofpexcept flag to custom lowered constrained ops

[Qiu Chaofan via Phabricator via llvm-commits]

qiucf created this revision.
qiucf added reviewers: PowerPC, uweigand, steven.zhang, jsji, nemanjai.
Herald added subscribers: llvm-commits, shchenz, kbarton, hiraditya.
Herald added a project: LLVM.
qiucf requested review of this revision.

This is a follow-up of D86605 <https://reviews.llvm.org/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.


https://reviews.llvm.org/D87390

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

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