[PATCH] D76508: [VectorUtils] move x86's scaleShuffleMask to generic VectorUtils

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D76508#1934379 <https://reviews.llvm.org/D76508#1934379>, @RKSimon wrote:

> This shouldn't be endian specific - DAGCombiner::visitVECTOR_SHUFFLE already does SHUFFLE(BITCAST,UNDEF)->BITCAST(SHUFFLE) with its own almost-identical version of ScaleShuffleMask.


Thanks - I knew that we had this somewhere else, but I missed that. I can remove that duplication as part of this patch if that improves the motivation.


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https://reviews.llvm.org/D76508