Propagate globals graph from the local to bu to td globals graphs. This

fixes bug: DSGraph/buglobals.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6947 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 5 insertions, 4 deletions

diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp
index 9f50436..4592867 100644
--- a/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -17,7 +17,7 @@ namespace {
   Statistic<> MaxSCC("budatastructure", "Maximum SCC Size in Call Graph");
   
   RegisterAnalysis<BUDataStructures>
-  X("budatastructure", "Bottom-up Data Structure Analysis Closure");
+  X("budatastructure", "Bottom-up Data Structure Analysis");
 }
 
 using namespace DS;
@@ -120,7 +120,8 @@ public:
 // program.
 //
 bool BUDataStructures::run(Module &M) {
-  GlobalsGraph = new DSGraph();
+  LocalDataStructures &LocalDSA = getAnalysis<LocalDataStructures>();
+  GlobalsGraph = new DSGraph(LocalDSA.getGlobalsGraph());
   GlobalsGraph->setPrintAuxCalls();
 
   Function *MainFunc = M.getMainFunction();
diff --git a/lib/Analysis/DataStructure/TopDownClosure.cpp b/lib/Analysis/DataStructure/TopDownClosure.cpp
index 3138ada..4058348 100644
--- a/lib/Analysis/DataStructure/TopDownClosure.cpp
+++ b/lib/Analysis/DataStructure/TopDownClosure.cpp
@@ -15,7 +15,7 @@
 
 namespace {
   RegisterAnalysis<TDDataStructures>   // Register the pass
-  Y("tddatastructure", "Top-down Data Structure Analysis Closure");
+  Y("tddatastructure", "Top-down Data Structure Analysis");
 }
 
 // run - Calculate the top down data structure graphs for each function in the
@@ -23,7 +23,7 @@ namespace {
 //
 bool TDDataStructures::run(Module &M) {
   BUDataStructures &BU = getAnalysis<BUDataStructures>();
-  GlobalsGraph = new DSGraph();
+  GlobalsGraph = new DSGraph(BU.getGlobalsGraph());
 
   // Calculate top-down from main...
   if (Function *F = M.getMainFunction())