[PATCH] D148520: [VP] Add more functional SD opcodes to definitions

Thu Apr 20 00:17:45 PDT 2023

frasercrmck added a comment.

In D148520#4277378 <https://reviews.llvm.org/D148520#4277378>, @luke wrote:

> So from what I can tell, VPMatchContext can now make VP nodes from FP_EXTEND and FMAD. However there's no observable change because with the former, `TLI.isFPExtFoldable` returns false on RISC-V, and with the latter it's explicitly disabled with a FIXME to re-enable it at some point. 
> But I've removed the NFC anyway: I believe these nodes are equivalent so these folds should be correct if they are ever enabled.

Thanks for checking.

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https://reviews.llvm.org/D148520