[PATCH] D77341: [DomTree] Replace ChildrenGetter with GraphTraits over GraphDiff.

David Blaikie via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Apr 10 00:30:13 PDT 2020


dblaikie added inline comments.


================
Comment at: llvm/include/llvm/Support/GenericDomTree.h:32
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/CFGDiff.h"
 #include "llvm/Support/CFGUpdate.h"
----------------
mehdi_amini wrote:
> This looks like a layering violation to me here: I wouldn't expect a generic utility in Support to introduce a dependency on IR.
> 
> I speculatively reverted in https://github.com/llvm/llvm-project/commit/57d2d48399b63c0ef1dda490fdaf28efbb80c2c0 while we can figure it out.
Yep - agreed on the layering violation. Thanks for the catch/revert!

I /think/ CFGDiff.h is independent of IR & shouldn't include IR/CFG.h and then can move into Support. Ah, yeah, when I did 30804d0a3fb23325c4b455108e59d00213b83891 & related work, that's what made it independent of IR.

Moved it over to Support in a838aadae3f20b9644e2ad553d3d558a91fd8fd7


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77341/new/

https://reviews.llvm.org/D77341





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