[PATCH] D112561: [CodeGen] Don't lower consecutive select instructions with different kind if target don't support it

Dave Green via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Oct 27 01:11:50 PDT 2021


dmgreen added a comment.

Hello. I think this makes sense, but is it targeted at Arm or for some other backend? At least under MVE we don't really not support ScalarCondVectorVal selects, even if they can be a bit inefficient (less branches but more vector code).


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  https://reviews.llvm.org/D112561/new/

https://reviews.llvm.org/D112561



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