[PATCH] D75224: [SelectionDAG][FPEnv] Take into account SelectionDAG continuous CSE when setting the nofpexcept flag for constrained intrinsics
Pengfei Wang via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 26 20:04:05 PST 2020
pengfei added inline comments.
================
Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:1137
- Flags.setNoFPExcept(true);
- Node->setFlags(Flags);
- }
----------------
Can we just use below code here:
```
SDNodeFlags IncomingFlags;
IncomingFlags.setNoFPExcept(true);
if (!Node->getFlags().isDefined())
Node->setFlags(IncomingFlags);
else
Node->intersectFlagsWith(IncomingFlags);
```
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D75224/new/
https://reviews.llvm.org/D75224
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