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Abstract out the Nodes collection. Instead of providing a getNodes() method, 

provide node_begin/end iterators, which are only guaranteed to be
bidirectional, not random access.

llvm-svn: 11165
This commit is contained in:
Chris Lattner 2004-02-07 23:57:09 +00:00
parent 6e69a5aa5d
commit 7b3d404e28
2 changed files with 11 additions and 11 deletions
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8
llvm/include/llvm/Analysis/DSGraph.h
View File

@ -92,6 +92,7 @@ struct DSGraph {
typedef DSScalarMap ScalarMapTy;
typedef hash_map<Function*, DSNodeHandle> ReturnNodesTy;
typedef hash_set<GlobalValue*> GlobalSetTy;
typedef std::vector<DSNode*> NodeListTy;
/// NodeMapTy - This data type is used when cloning one graph into another to
/// keep track of the correspondence between the nodes in the old and new
@ -101,7 +102,7 @@ private:
DSGraph *GlobalsGraph; // Pointer to the common graph of global objects
bool PrintAuxCalls; // Should this graph print the Aux calls vector?
std::vector<DSNode*> Nodes;
NodeListTy Nodes;
ScalarMapTy ScalarMap;
// ReturnNodes - A return value for every function merged into this graph.
@ -170,8 +171,9 @@ public:
/// getNodes - Get a vector of all the nodes in the graph
///
const std::vector<DSNode*> &getNodes() const { return Nodes; }
std::vector<DSNode*> &getNodes() { return Nodes; }
typedef NodeListTy::const_iterator node_iterator;
node_iterator node_begin() const { return Nodes.begin(); }
node_iterator node_end() const { return Nodes.end(); }
/// getFunctionNames - Return a space separated list of the name of the
/// functions in this graph (if any)

14
llvm/include/llvm/Analysis/DSGraphTraits.h
View File

@ -115,13 +115,12 @@ template <> struct GraphTraits<DSGraph*> {
typedef std::pointer_to_unary_function<DSNode *, DSNode&> DerefFun;
// nodes_iterator/begin/end - Allow iteration over all nodes in the graph
typedef mapped_iterator<std::vector<DSNode*>::iterator,
DerefFun> nodes_iterator;
typedef mapped_iterator<DSGraph::node_iterator, DerefFun> nodes_iterator;
static nodes_iterator nodes_begin(DSGraph *G) {
return map_iterator(G->getNodes().begin(), DerefFun(dereference));
return map_iterator(G->node_begin(), DerefFun(dereference));
}
static nodes_iterator nodes_end(DSGraph *G) {
return map_iterator(G->getNodes().end(), DerefFun(dereference));
return map_iterator(G->node_end(), DerefFun(dereference));
}
static ChildIteratorType child_begin(NodeType *N) { return N->begin(); }
@ -135,13 +134,12 @@ template <> struct GraphTraits<const DSGraph*> {
typedef std::pointer_to_unary_function<const DSNode *,const DSNode&> DerefFun;
// nodes_iterator/begin/end - Allow iteration over all nodes in the graph
typedef mapped_iterator<std::vector<DSNode*>::const_iterator,
DerefFun> nodes_iterator;
typedef mapped_iterator<DSGraph::node_iterator, DerefFun> nodes_iterator;
static nodes_iterator nodes_begin(const DSGraph *G) {
return map_iterator(G->getNodes().begin(), DerefFun(dereferenceC));
return map_iterator(G->node_begin(), DerefFun(dereferenceC));
}
static nodes_iterator nodes_end(const DSGraph *G) {
return map_iterator(G->getNodes().end(), DerefFun(dereferenceC));
return map_iterator(G->node_end(), DerefFun(dereferenceC));
}
static ChildIteratorType child_begin(const NodeType *N) { return N->begin(); }