[PATCH] D104723: [DAGCombine] Check reassoc flags in aggressive fsub fusion
Jinsong Ji via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 22 10:04:50 PDT 2021
jsji added inline comments.
================
Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:13255-13260
+ bool CanReassociate =
+ Options.UnsafeFPMath || N->getFlags().hasAllowReassociation();
+
+ auto isReassociatable = [Options](SDValue N) {
+ return Options.UnsafeFPMath || N->getFlags().hasAllowReassociation();
+ };
----------------
lebedev.ri wrote:
>
```
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:13258:25: error: no matching function for call to object of type '(lambda at llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:13255:25)'
bool CanReassociate = isReassociable(N);
^~~~~~~~~~~~~~
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:13255:25: note: candidate function not viable: no known conversion from 'llvm::SDNode *' to 'llvm::SDValue' for 1st argument
auto isReassociable = [Options](SDValue N) {
^
1 error generated.
ninja: build stopped: subcommand failed.
```
N is SDNode, any suggestion to get SDValue of it? SDValue() might cause crash in tests.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D104723/new/
https://reviews.llvm.org/D104723
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