[PATCH] D41794: [X86] Improve AVX1 shuffle lowering for v8f32 shuffles where the low half comes from V1 and the high half comes from V2 and the halves do the same operation

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D41794#969440, @craig.topper wrote:

> The adds/fadds are just there cause that's what was in the bug report. And I wanted to make sure we were able to reuse the vperm2f128 shuffles that create NewV1 and NewV2.


OK - please can you commit the tests to trunk so the patch shows the codegen diff?


https://reviews.llvm.org/D41794