[PATCH] D114652: [AMDGPU] Move call clobbered return address registers s[30:31] to callee saved range

[Matt Arsenault via Phabricator via llvm-commits]

arsenm accepted this revision.
arsenm added a comment.

I'm not sure I understand why a separate isPhysRegUsed check is needed since ultimately that's what IPRA is doing, but I don't see how it could hurt


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  https://reviews.llvm.org/D114652/new/

https://reviews.llvm.org/D114652