[PATCH] D43743: StructurizeCFG: Test for branch divergence correctly

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle added inline comments.


================
Comment at: lib/Transforms/Scalar/StructurizeCFG.cpp:934
 
+  DA = nullptr;
+
----------------
dberlin wrote:
> Why is this being set to null here?
DA is a member variable that needs to be re-initialized on every run of the pass. This is just like the other analyses, DT and LI.

It is set to null because it is optional and not always available. It is only used on specific targets.


Repository:
  rL LLVM

https://reviews.llvm.org/D43743