[PATCH] D36791: [Polly][Bug fix] Wrong dependences filtering during Fully Indexed expansion

[Bonfante Nicolas via Phabricator via llvm-commits]

niosega added inline comments.


================
Comment at: lib/Transform/MaximalStaticExpansion.cpp:166
+
+        // Filter out Statement to Statement dependences.
+        if (!Map.can_curry())
----------------
Meinersbur wrote:
> niosega wrote:
> > Meinersbur wrote:
> > > Why? How can this happen?
> > I don't know why but when I am asking AL_Reference or AL_Access dependencies, I also get Statement to Statement dependencies in the union_map. So I need to filter these out. Am I doing something wrong in the dependencies retrieval call ?
> I think this is due to the broken dependency info in case there are reduction candidates. Did you switch off reduction detection?
With -polly-dependences-use-reductions=false in the opt command line, I still have the Statement to Statement dependencies.



https://reviews.llvm.org/D36791