[PATCH] D27783: [MachineBlockPlacement] Don't make blocks "uneditable"

[Sanjoy Das via Phabricator via llvm-commits]

sanjoy updated this revision to Diff 81500.
sanjoy added a comment.

- review


https://reviews.llvm.org/D27783

Files:
  lib/CodeGen/MachineBlockPlacement.cpp
  lib/CodeGen/TailDuplicator.cpp
  test/CodeGen/X86/block-placement.mir

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