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Add initial support for a globals graph

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4656 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-11-09 20:01:01 +00:00
parent d888893a54
commit 2e4f9bf86e
6 changed files with 40 additions and 50 deletions
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27
include/llvm/Analysis/DSGraph.h
View File

@@ -13,17 +13,12 @@
/// DSGraph - The graph that represents a function.
///
class DSGraph {
Function *Func;
std::vector<DSNode*> Nodes;
DSNodeHandle RetNode; // Node that gets returned...
std::map<Value*, DSNodeHandle> ScalarMap;
Function *Func; // Func - The LLVM function this graph corresponds to
DSGraph *GlobalsGraph; // Pointer to the common graph of global objects
#if 0
// GlobalsGraph -- Reference to the common graph of globally visible objects.
// This includes GlobalValues, New nodes, Cast nodes, and Calls.
//
GlobalDSGraph* GlobalsGraph;
#endif
DSNodeHandle RetNode; // The node that gets returned...
std::vector<DSNode*> Nodes;
std::map<Value*, DSNodeHandle> ScalarMap;
// FunctionCalls - This vector maintains a single entry for each call
// instruction in the current graph. The first entry in the vector is the
@@ -41,12 +36,17 @@ class DSGraph {
void operator=(const DSGraph &); // DO NOT IMPLEMENT
public:
DSGraph() : Func(0) {} // Create a new, empty, DSGraph.
DSGraph(Function &F); // Compute the local DSGraph
DSGraph() : Func(0), GlobalsGraph(0) {} // Create a new, empty, DSGraph.
DSGraph(Function &F, DSGraph *GlobalsGraph); // Compute the local DSGraph
// Copy ctor - If you want to capture the node mapping between the source and
// destination graph, you may optionally do this by specifying a map to record
// this into.
//
// Note that a copied graph does not retain the GlobalsGraph pointer of the
// source. You need to set a new GlobalsGraph with the setGlobalsGraph
// method.
//
DSGraph(const DSGraph &DSG);
DSGraph(const DSGraph &DSG, std::map<const DSNode*, DSNodeHandle> &NodeMap);
~DSGraph();
@@ -54,6 +54,9 @@ public:
bool hasFunction() const { return Func != 0; }
Function &getFunction() const { return *Func; }
DSGraph *getGlobalsGraph() const { return GlobalsGraph; }
void setGlobalsGraph(DSGraph *G) { GlobalsGraph = G; }
/// getNodes - Get a vector of all the nodes in the graph
///
const std::vector<DSNode*> &getNodes() const { return Nodes; }

1
include/llvm/Analysis/DataStructure.h
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@@ -33,6 +33,7 @@ namespace DataStructureAnalysis {
class LocalDataStructures : public Pass {
// DSInfo, one graph for each function
std::map<const Function*, DSGraph*> DSInfo;
DSGraph *GlobalsGraph;
public:
~LocalDataStructures() { releaseMemory(); }

27
include/llvm/Analysis/DataStructure/DSGraph.h
View File

@@ -13,17 +13,12 @@
/// DSGraph - The graph that represents a function.
///
class DSGraph {
Function *Func;
std::vector<DSNode*> Nodes;
DSNodeHandle RetNode; // Node that gets returned...
std::map<Value*, DSNodeHandle> ScalarMap;
Function *Func; // Func - The LLVM function this graph corresponds to
DSGraph *GlobalsGraph; // Pointer to the common graph of global objects
#if 0
// GlobalsGraph -- Reference to the common graph of globally visible objects.
// This includes GlobalValues, New nodes, Cast nodes, and Calls.
//
GlobalDSGraph* GlobalsGraph;
#endif
DSNodeHandle RetNode; // The node that gets returned...
std::vector<DSNode*> Nodes;
std::map<Value*, DSNodeHandle> ScalarMap;
// FunctionCalls - This vector maintains a single entry for each call
// instruction in the current graph. The first entry in the vector is the
@@ -41,12 +36,17 @@ class DSGraph {
void operator=(const DSGraph &); // DO NOT IMPLEMENT
public:
DSGraph() : Func(0) {} // Create a new, empty, DSGraph.
DSGraph(Function &F); // Compute the local DSGraph
DSGraph() : Func(0), GlobalsGraph(0) {} // Create a new, empty, DSGraph.
DSGraph(Function &F, DSGraph *GlobalsGraph); // Compute the local DSGraph
// Copy ctor - If you want to capture the node mapping between the source and
// destination graph, you may optionally do this by specifying a map to record
// this into.
//
// Note that a copied graph does not retain the GlobalsGraph pointer of the
// source. You need to set a new GlobalsGraph with the setGlobalsGraph
// method.
//
DSGraph(const DSGraph &DSG);
DSGraph(const DSGraph &DSG, std::map<const DSNode*, DSNodeHandle> &NodeMap);
~DSGraph();
@@ -54,6 +54,9 @@ public:
bool hasFunction() const { return Func != 0; }
Function &getFunction() const { return *Func; }
DSGraph *getGlobalsGraph() const { return GlobalsGraph; }
void setGlobalsGraph(DSGraph *G) { GlobalsGraph = G; }
/// getNodes - Get a vector of all the nodes in the graph
///
const std::vector<DSNode*> &getNodes() const { return Nodes; }

1
include/llvm/Analysis/DataStructure/DataStructure.h
View File

@@ -33,6 +33,7 @@ namespace DataStructureAnalysis {
class LocalDataStructures : public Pass {
// DSInfo, one graph for each function
std::map<const Function*, DSGraph*> DSInfo;
DSGraph *GlobalsGraph;
public:
~LocalDataStructures() { releaseMemory(); }