DominatorTree *DT =
&getAnalysis<DominatorTreeWrapperPass>().getDomTree();
PostDominatorTree *PDT = &getAnalysis<PostDominatorTree>();
DominatorTree *DT =
&getAnalysis<DominatorTreeWrapperPass>().getDomTree();
PostDominatorTree *PDT = &getAnalysis<PostDominatorTree>();