[PATCH] D22551: CodeGen: If Convert blocks that would form a diamond when tail-merged.

[David Li via llvm-commits]

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

lgtm

When commtting,  I suggest you carve out the refactoring changes into one or more NFC patches (debug skip for one, scanning for one, and the rest of refactoring) before committing the functional change.


https://reviews.llvm.org/D22551