[PATCH] D42600: [WIP][Shrink-wrap]split restore point

[Jun Bum Lim via Phabricator via llvm-commits]

junbuml updated this revision to Diff 138433.
junbuml added a comment.

Rebased.  In this change, I perform post shrinking where we try to further shrink the save point by splitting the restore point after finishing the regular shrink wrapping. This change is WIP for now because I do this in shrink wrapping pass. If overall approach is acceptable and we want to keep shrink-wrap pass as an analysis pas , I will move it as a new pass.  Please take a look and let me know any comment.


https://reviews.llvm.org/D42600

Files:
  lib/CodeGen/ShrinkWrap.cpp
  test/CodeGen/AArch64/post-shrink-wrap-split-restore.ll

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