[PATCH] D50305: [WIP!][SimplifyCFG] Preserve the DomTree in the SimplifyCFG pass

[Chijun Sima via Phabricator via llvm-commits]

NutshellySima added a comment.

This patch only converts a limited number of tests to demonstrate the implementation of preserving the DT is correct.


Repository:
  rL LLVM

https://reviews.llvm.org/D50305