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Move DominatorTree to immediately follow DominatorTreeBase 

llvm-svn: 30693
This commit is contained in:
Chris Lattner 2006-10-03 05:24:56 +00:00
parent d55c0a41df
commit 1faa3f913c
1 changed files with 56 additions and 56 deletions
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112
llvm/include/llvm/Analysis/Dominators.h
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@ -412,6 +412,62 @@ public:
virtual void print(std::ostream &OS, const Module* = 0) const;
};
//===-------------------------------------
/// DominatorTree Class - Concrete subclass of DominatorTreeBase that is used to
/// compute a normal dominator tree.
///
class DominatorTree : public DominatorTreeBase {
public:
DominatorTree() : DominatorTreeBase(false) {}
BasicBlock *getRoot() const {
assert(Roots.size() == 1 && "Should always have entry node!");
return Roots[0];
}
virtual bool runOnFunction(Function &F) {
reset(); // Reset from the last time we were run...
ImmediateDominators &ID = getAnalysis<ImmediateDominators>();
Roots = ID.getRoots();
calculate(ID);
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<ImmediateDominators>();
}
private:
void calculate(const ImmediateDominators &ID);
Node *getNodeForBlock(BasicBlock *BB);
};
//===-------------------------------------
/// DominatorTree GraphTraits specialization so the DominatorTree can be
/// iterable by generic graph iterators.
///
template <> struct GraphTraits<DominatorTree::Node*> {
typedef DominatorTree::Node NodeType;
typedef NodeType::iterator ChildIteratorType;
static NodeType *getEntryNode(NodeType *N) {
return N;
}
static inline ChildIteratorType child_begin(NodeType* N) {
return N->begin();
}
static inline ChildIteratorType child_end(NodeType* N) {
return N->end();
}
};
template <> struct GraphTraits<DominatorTree*>
: public GraphTraits<DominatorTree::Node*> {
static NodeType *getEntryNode(DominatorTree *DT) {
return DT->getRootNode();
}
};
//===-------------------------------------
/// ET-Forest Class - Class used to construct forwards and backwards
@ -535,62 +591,6 @@ public:
ETNode *getNodeForBlock(BasicBlock *BB);
};
//===-------------------------------------
/// DominatorTree Class - Concrete subclass of DominatorTreeBase that is used to
/// compute a normal dominator tree.
///
class DominatorTree : public DominatorTreeBase {
public:
DominatorTree() : DominatorTreeBase(false) {}
BasicBlock *getRoot() const {
assert(Roots.size() == 1 && "Should always have entry node!");
return Roots[0];
}
virtual bool runOnFunction(Function &F) {
reset(); // Reset from the last time we were run...
ImmediateDominators &ID = getAnalysis<ImmediateDominators>();
Roots = ID.getRoots();
calculate(ID);
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<ImmediateDominators>();
}
private:
void calculate(const ImmediateDominators &ID);
Node *getNodeForBlock(BasicBlock *BB);
};
//===-------------------------------------
/// DominatorTree GraphTraits specialization so the DominatorTree can be
/// iterable by generic graph iterators.
///
template <> struct GraphTraits<DominatorTree::Node*> {
typedef DominatorTree::Node NodeType;
typedef NodeType::iterator ChildIteratorType;
static NodeType *getEntryNode(NodeType *N) {
return N;
}
static inline ChildIteratorType child_begin(NodeType* N) {
return N->begin();
}
static inline ChildIteratorType child_end(NodeType* N) {
return N->end();
}
};
template <> struct GraphTraits<DominatorTree*>
: public GraphTraits<DominatorTree::Node*> {
static NodeType *getEntryNode(DominatorTree *DT) {
return DT->getRootNode();
}
};
//===----------------------------------------------------------------------===//
/// DominanceFrontierBase - Common base class for computing forward and inverse
/// dominance frontiers for a function.