[PATCH] D57180: [LV] Avoid adding into interleaved group in presence of WAW dependency

[Hideki Saito via Phabricator via llvm-commits]

hsaito added a comment.

In D57180#1380814 <https://reviews.llvm.org/D57180#1380814>, @Ayal wrote:

> Rather than over aggressive or too conservative, 1) seems to match the current behavior which forbids store groups with gaps; extending in the other direction will also break the vector WAW dependence, right?


OK. Hitting the gap case, yes. Else, the other direction should also hit WAW dep.

> in any case, it's worth doing only when/after introducing support for store groups with gaps.

Agree.


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  rL LLVM

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  https://reviews.llvm.org/D57180/new/

https://reviews.llvm.org/D57180