[PATCH] D94992: [SLP]Merge reorder and reuse shuffles.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:4339
 
+namespace {
+/// Merges shuffle masks and emits final shuffle instruction, if required.
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echristo wrote:
> I seem to recall we have other classes that do this as well?
I did not find any. Could you point me where should I look for something similar?


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  https://reviews.llvm.org/D94992/new/

https://reviews.llvm.org/D94992