[llvm-commits] CVS: llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis/DataStructure:

BottomUpClosure.cpp updated: 1.74 -> 1.75

---
Log message:

When we complete the bottom-up pass, make sure to merge the globals in 'main' into
the globals graph.


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Diffs of the changes:  (+17 -0)

Index: llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp
diff -u llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp:1.74 llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp:1.75
--- llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp:1.74	Sat Feb  7 19:51:48 2004
+++ llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp	Tue Feb 17 13:06:47 2004
@@ -57,6 +57,23 @@
 
   NumCallEdges += ActualCallees.size();
 
+
+  // At the end of the BU phase, clone the BU graph for main into the globals
+  // graph to make sure it has everything.
+  if (MainFunc) {
+    DSGraph &MainGraph = getOrCreateGraph(MainFunc);
+    DSScalarMap &MainSM = MainGraph.getScalarMap();
+    ReachabilityCloner RC(*GlobalsGraph, MainGraph, DSGraph::StripAllocaBit);
+
+    // Clone everything reachable from globals in the "main" graph into the
+    // globals graph.
+    for (DSScalarMap::global_iterator I = MainSM.global_begin(),
+           E = MainSM.global_end(); I != E; ++I) 
+      RC.getClonedNH(MainSM[*I]);
+
+
+  }
+
   // At the end of the bottom-up pass, the globals graph becomes complete.
   // FIXME: This is not the right way to do this, but it is sorta better than
   // nothing!  In particular, externally visible globals and unresolvable call