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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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lib/Analysis/DataStructure/Local.cpp
+6 -2
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@@ -131,7 +131,7 @@ namespace {
//===----------------------------------------------------------------------===//
// 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 @@ void LocalDataStructures::releaseMemory() {
// 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;
}