1 files changed, 1 insertions, 9 deletions
diff --git a/include/llvm/Analysis/Dominators.h b/include/llvm/Analysis/Dominators.h
index 11c0bc2..ad1766c 100644
--- a/include/llvm/Analysis/Dominators.h
+++ b/include/llvm/Analysis/Dominators.h
@@ -605,17 +605,9 @@ protected:
     // immediate dominator.
     NodeT *IDom = getIDom(BB);
 
-    // skip all non root nodes that have no dominator
-    if (!IDom && std::count(this->Roots.begin(), this->Roots.end(), BB) == 0)
-      return NULL;
-
+    assert(IDom || this->DomTreeNodes[NULL]);
     DomTreeNodeBase<NodeT> *IDomNode = getNodeForBlock(IDom);
 
-    // skip all nodes that are dominated by a non root node that, by itself,
-    // has no dominator.
-    if (!IDomNode)
-      return NULL;
-
     // Add a new tree node for this BasicBlock, and link it as a child of
     // IDomNode
     DomTreeNodeBase<NodeT> *C = new DomTreeNodeBase<NodeT>(BB, IDomNode);