Add initial support for a globals graph
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4656 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 6380a49..584031b 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -501,14 +501,14 @@
// DSGraph Implementation
//===----------------------------------------------------------------------===//
-DSGraph::DSGraph(const DSGraph &G) : Func(G.Func) {
+DSGraph::DSGraph(const DSGraph &G) : Func(G.Func), GlobalsGraph(0) {
std::map<const DSNode*, DSNodeHandle> NodeMap;
RetNode = cloneInto(G, ScalarMap, NodeMap);
}
DSGraph::DSGraph(const DSGraph &G,
std::map<const DSNode*, DSNodeHandle> &NodeMap)
- : Func(G.Func) {
+ : Func(G.Func), GlobalsGraph(0) {
RetNode = cloneInto(G, ScalarMap, NodeMap);
}
@@ -1056,28 +1056,6 @@
// GlobalDSGraph Implementation
//===----------------------------------------------------------------------===//
-GlobalDSGraph::GlobalDSGraph() : DSGraph(*(Function*)0, this) {
-}
-
-GlobalDSGraph::~GlobalDSGraph() {
- assert(Referrers.size() == 0 &&
- "Deleting global graph while references from other graphs exist");
-}
-
-void GlobalDSGraph::addReference(const DSGraph* referrer) {
- if (referrer != this)
- Referrers.insert(referrer);
-}
-
-void GlobalDSGraph::removeReference(const DSGraph* referrer) {
- if (referrer != this) {
- assert(Referrers.find(referrer) != Referrers.end() && "This is very bad!");
- Referrers.erase(referrer);
- if (Referrers.size() == 0)
- delete this;
- }
-}
-
#if 0
// Bits used in the next function
static const char ExternalTypeBits = DSNode::GlobalNode | DSNode::HeapNode;