[PATCH] D64143: [AMDGPU] Correct the setting of `FlatScratchInit`.

[Michael Liao via Phabricator via llvm-commits]

hliao added a comment.

`FlatScratchInit` is set by checking whether there are any stack objects in the early stage of codegen. As we could load MIR in any stage, even after RA, it may set that flag incorrectly by counting spilling stack slot.


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  https://reviews.llvm.org/D64143/new/

https://reviews.llvm.org/D64143