[PATCH] D125600: [SelectionDAGBuilder] Pass fast math flags to most of VP SDNodes.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:7615
+    } else {
+      Result = DAG.getNode(Opcode, DL, VTs, OpValues);
+    }
----------------
Why can't we do?

```
    SDValue Result;
    SDNodeFlags SDFlags;
    if (auto *FPMO = dyn_cast<FPMathOperator>(&VPIntrin))
      SDFlags.copyFMF(*FPMO);
    Result = DAG.getNode(Opcode, DL, VTs, OpValues, SDFlags);
```


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125600/new/

https://reviews.llvm.org/D125600