[PATCH] D79037: [StructurizeCFG] Fix region nodes ordering

[Ehud Katz via Phabricator via llvm-commits]

ekatz added a comment.

In D79037#2040926 <https://reviews.llvm.org/D79037#2040926>, @sameerds wrote:

> TBH, I spent a small amount of time visualizing the new testcase, but couldn't figure out the problem, nor the solution. I see that the check for currentLoopSize is moved up the control flow a bit, but I didn't see why.


We need to move up the check for `*CurrentLoopSize`, as in the case it is zero, then we no longer need to skip nodes, and just continue to the next node/loop.
The simplified, new test case, demonstrate a case where it is needed.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79037/new/

https://reviews.llvm.org/D79037