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/Local.cpp b/lib/Analysis/DataStructure/Local.cpp
index 224ec4a..0c0c6af 100644
--- a/lib/Analysis/DataStructure/Local.cpp
+++ b/lib/Analysis/DataStructure/Local.cpp
@@ -131,7 +131,7 @@
//===----------------------------------------------------------------------===//
// DSGraph constructor - Simply use the GraphBuilder to construct the local
// graph.
-DSGraph::DSGraph(Function &F) : Func(&F) {
+DSGraph::DSGraph(Function &F, DSGraph *GG) : Func(&F), GlobalsGraph(GG) {
// Use the graph builder to construct the local version of the graph
GraphBuilder B(*this, Nodes, RetNode, ScalarMap, FunctionCalls);
markIncompleteNodes();
@@ -416,12 +416,16 @@
// Empty map so next time memory is released, data structures are not
// re-deleted.
DSInfo.clear();
+ delete GlobalsGraph;
+ GlobalsGraph = 0;
}
bool LocalDataStructures::run(Module &M) {
+ GlobalsGraph = new DSGraph();
+
// Calculate all of the graphs...
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
if (!I->isExternal())
- DSInfo.insert(std::make_pair(I, new DSGraph(*I)));
+ DSInfo.insert(std::make_pair(I, new DSGraph(*I, GlobalsGraph)));
return false;
}