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
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index 0384fad..370cd95 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -29,25 +29,7 @@
F("postdomtree", "Post-Dominator Tree Construction", true);
bool PostDominatorTree::runOnFunction(Function &F) {
- reset(); // Reset from the last time we were run...
-
- // Initialize the roots list
- for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
- TerminatorInst *Insn = I->getTerminator();
- if (Insn->getNumSuccessors() == 0) {
- // Unreachable block is not a root node.
- if (!isa<UnreachableInst>(Insn))
- Roots.push_back(I);
- }
-
- // Prepopulate maps so that we don't get iterator invalidation issues later.
- IDoms[I] = 0;
- DomTreeNodes[I] = 0;
- }
-
- Vertex.push_back(0);
-
- Calculate<Inverse<BasicBlock*>, GraphTraits<Inverse<BasicBlock*> > >(*this, F);
+ DT->recalculate(F);
return false;
}