Make DomTree and PostDomTree thin wrappers around DomTreeBase, rather than inheriting from it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43259 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 11 deletions

diff --git a/lib/VMCore/Dominators.cpp b/lib/VMCore/Dominators.cpp
index b909a0014c..5bb25d47d6 100644
--- a/lib/VMCore/Dominators.cpp
+++ b/lib/VMCore/Dominators.cpp
@@ -57,17 +57,7 @@ static RegisterPass<DominatorTree>
 E("domtree", "Dominator Tree Construction", true);
 
 bool DominatorTree::runOnFunction(Function &F) {
-  reset();     // Reset from the last time we were run...
-  
-  // Initialize roots
-  Roots.push_back(&F.getEntryBlock());
-  IDoms[&F.getEntryBlock()] = 0;
-  DomTreeNodes[&F.getEntryBlock()] = 0;
-  Vertex.push_back(0);
-  
-  Calculate<BasicBlock*, GraphTraits<BasicBlock*> >(*this, F);
-  
-  updateDFSNumbers();
+  DT->recalculate(F);
   
   return false;
 }