[PATCH] D31908: [AntiDepBreaker] Don't rename callee saved register restore instruction

[Krzysztof Parzyszek via Phabricator via llvm-commits]

kparzysz added a comment.

In https://reviews.llvm.org/D31908#745251, @MatzeB wrote:

> So for return blocks you have to take all CSR registers (depending on what you do with/without pristines). (See also https://reviews.llvm.org/D32464 where I partially rediscovered that fact).


We (Hexagon) add all the non-pristine CSRs as implicit uses of the return instructions.


https://reviews.llvm.org/D31908