[PATCH] D81070: [AMDGPU] Fixup use of StackPtrOffsetReg when not initialized

[Scott Linder via Phabricator via llvm-commits]

scott.linder added a comment.

> The other option is to treat any frame that can possibly have an offset that won't fit in the immediate field as needing an SP

I think this would simplify things a lot, and doesn't seem like it should have a huge effect on performance? If you are already indexing into your stack that far does it really matter that you have one fewer SGPR free?


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https://reviews.llvm.org/D81070