[PATCH] D38836: Use X86ISD::VBROADCAST in place of v2f64 X86ISD::MOVDDUP when AVX2 is available

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: test/CodeGen/X86/avx512vl-vbroadcast.ll:183
+  ret <2 x double> %3
+}
----------------
Is a mask test needed as well?


https://reviews.llvm.org/D38836