[PATCH] D42772: [X86] Allow KORTEST instruction to be used for testing if a mask is all ones

[Guy Blank via Phabricator via llvm-commits]

guyblank accepted this revision.
guyblank added inline comments.
This revision is now accepted and ready to land.


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Comment at: test/CodeGen/X86/avx512-mask-op.ll:2839
 
+; Make sure we can use the C flag from ktest to check for all ones.
+define void @ktest_allones(<16 x i32> %x, <16 x i32> %y) {
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ktest->kortest


https://reviews.llvm.org/D42772