[PATCH] D12637: [InstCombine] Recognize another bswap idiom.

[Charlie Turner via llvm-commits]

chatur01 added a comment.

> I'm confused as to why this needs any target specific tests. This is a change to IR canonicalization.


I was confused about that too, but I was attempting to address this review comment:

> Are there tests to make sure that this built-in expands to the correct instructions in the different types of ARM architectures? If not, I'd add that, too.


Hopefully I won't be asked to go through the other backends as well now! :)


http://reviews.llvm.org/D12637