[PATCH] D63972: [CodeGen] Do the Simple Early Return in block-placement pass to optimize the blocks

[Eli Friedman via Phabricator via llvm-commits]

efriedma reopened this revision.
efriedma added a comment.
This revision is now accepted and ready to land.

You probably want `F->erase(TBB)`, which both removes TBB from the list of blocks in the function, and deallocates TBB.  I guess the empty block with no predecessors doesn't really matter much, in the long run, but easier to understand if the transform cleans up after itself properly.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63972/new/

https://reviews.llvm.org/D63972