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Make it possible for DomTreeBase to be constructed from MachineFunction's as well as just Function's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43321 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -216,8 +216,11 @@ void Link(DominatorTreeBase<typename GraphT::NodeType>& DT,
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#endif
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}
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template<class NodeT, class GraphT>
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void Calculate(DominatorTreeBase<typename GraphT::NodeType>& DT, Function& F) {
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template<class FuncT, class NodeT>
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void Calculate(DominatorTreeBase<typename GraphTraits<NodeT>::NodeType>& DT,
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FuncT& F) {
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typedef GraphTraits<NodeT> GraphT;
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// Step #1: Number blocks in depth-first order and initialize variables used
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// in later stages of the algorithm.
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unsigned N = 0;
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@ -162,9 +162,9 @@ typedef DomTreeNodeBase<MachineBasicBlock> MachineDomTreeNode;
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/// DominatorTree - Calculate the immediate dominator tree for a function.
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///
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template<class N, class GraphT>
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void Calculate(DominatorTreeBase<typename GraphT::NodeType>& DT,
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Function& F);
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template<class FuncT, class N>
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void Calculate(DominatorTreeBase<typename GraphTraits<N>::NodeType>& DT,
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FuncT& F);
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template<class NodeT>
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class DominatorTreeBase : public DominatorBase<NodeT> {
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@ -545,9 +545,9 @@ protected:
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typename GraphT::NodeType* V,
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unsigned N);
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template<class N, class GraphT>
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friend void Calculate(DominatorTreeBase<typename GraphT::NodeType>& DT,
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Function& F);
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template<class FuncT, class N>
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friend void Calculate(DominatorTreeBase<typename GraphTraits<N>::NodeType>& DT,
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FuncT& F);
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/// updateDFSNumbers - Assign In and Out numbers to the nodes while walking
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/// dominator tree in dfs order.
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@ -609,7 +609,8 @@ protected:
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public:
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/// recalculate - compute a dominator tree for the given function
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void recalculate(Function& F) {
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template<class FT>
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void recalculate(FT& F) {
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if (!this->IsPostDominators) {
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reset();
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@ -619,7 +620,7 @@ public:
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this->DomTreeNodes[&F.getEntryBlock()] = 0;
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this->Vertex.push_back(0);
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Calculate<NodeT*, GraphTraits<NodeT*> >(*this, F);
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Calculate<FT, NodeT*>(*this, F);
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updateDFSNumbers();
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} else {
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@ -641,7 +642,7 @@ public:
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this->Vertex.push_back(0);
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Calculate<Inverse<NodeT*>, GraphTraits<Inverse<NodeT*> > >(*this, F);
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Calculate<FT, Inverse<NodeT*> >(*this, F);
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}
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}
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};
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