[PATCH] D89170: [AMDGPU] Select flat scratch instructions where available

[Tony Tye via Phabricator via llvm-commits]

t-tye added a comment.

In D89170#2325299 <https://reviews.llvm.org/D89170#2325299>, @scott.linder wrote:

> I haven't done a meaningful review, but I wanted to note that this will require changes to the debug information (which isn't committed yet). I think this could be as simple as scaling the value of the SP/FP in the DWARF expression to recover the unswizzled scratch address.

Is this change changing the call convention ABI? For example, making the SP be a swizzled address as opposed to a swizzled address? If so then AMDGPUUsage will also need updating.


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  https://reviews.llvm.org/D89170/new/

https://reviews.llvm.org/D89170