[PATCH] D42031: [X86] Legalize v32i1 without BWI via splitting to v16i1 rather than the default of promoting to v32i8.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: test/CodeGen/X86/avx512-insert-extract.ll:1068
+; KNL-NEXT:    kmovw %k0, %eax
 ; KNL-NEXT:    andb $1, %al
 ; KNL-NEXT:    movb $4, %cl
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Is the andb necessary? Are we missing some known bits handling here?


https://reviews.llvm.org/D42031