[PATCH] D134701: [RISCV][ISel] Remove the commutative flag on SUB

[Craig Topper via Phabricator via llvm-commits]

craig.topper accepted this revision.
craig.topper added a comment.
This revision is now accepted and ready to land.

The vwsub intrinsic doesn't go through RISCVISD::VWSUB_VL/VWSUBU_VL. It's pattern matched separately in RISCVInstrInfoVPseudos.td

vscale splat is insertelement into element 0 followed by shufflevector with zeroinitializer for the mask.

LGTM


Repository:
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  https://reviews.llvm.org/D134701/new/

https://reviews.llvm.org/D134701