[PATCH] D100486: [COST]Improve cost model for shuffles in SLP.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev added a comment.

In D100486#3479989 <https://reviews.llvm.org/D100486#3479989>, @fhahn wrote:

> Just a heads up that with this change building `llvm-test-suite/SingleSource/UnitTests/matrix-types-spec.cpp` crashes on X86. I'll see if I can extract a reproducer.

Hi, most probably the crash is caused by the opaque pointers. This patch does not change the vectorizer behavior, just adjusts the cost of the vector shuffles ops.


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https://reviews.llvm.org/D100486