If an edge points to a field of another memory object, actually reflect this
in the DOT visualization of the DSGraphs.
llvm-svn: 14316
diff --git a/llvm/lib/Analysis/DataStructure/Printer.cpp b/llvm/lib/Analysis/DataStructure/Printer.cpp
index f6e073a..9863875 100644
--- a/llvm/lib/Analysis/DataStructure/Printer.cpp
+++ b/llvm/lib/Analysis/DataStructure/Printer.cpp
@@ -100,6 +100,24 @@
static std::string getNodeAttributes(const DSNode *N) {
return "shape=Mrecord";
}
+
+ static bool edgeTargetsEdgeSource(const void *Node,
+ DSNode::const_iterator I) {
+ unsigned O = I.getNode()->getLink(I.getOffset()).getOffset();
+ return (O >> DS::PointerShift) != 0;
+ }
+
+ static DSNode::const_iterator getEdgeTarget(const DSNode *Node,
+ DSNode::const_iterator I) {
+ unsigned O = I.getNode()->getLink(I.getOffset()).getOffset();
+ unsigned LinkNo = O >> DS::PointerShift;
+ const DSNode *N = *I;
+ DSNode::const_iterator R = N->begin();
+ for (; LinkNo; --LinkNo)
+ ++R;
+ return R;
+ }
+
/// addCustomGraphFeatures - Use this graph writing hook to emit call nodes
/// and the return node.