[PATCH] D97815: [AVR] Remove redundant dynalloca SP save/restore pass

[Ben Shi via Phabricator via llvm-commits]

benshi001 added a comment.

So your patch only affects functions which has variable size objects,

1. Use frame pointer
2. Use the fixed Y register instead of dynamically allocated register pair to store the old SP.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D97815/new/

https://reviews.llvm.org/D97815