From 881d959fd48d56e8c5717a1baaed0e17cae57916 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 22 Jun 2004 07:13:10 +0000 Subject: If an edge points to a field of another memory object, actually reflect this in the DOT visualization of the DSGraphs. llvm-svn: 14316 --- llvm/lib/Analysis/DataStructure/Printer.cpp | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'llvm/lib/Analysis') diff --git a/llvm/lib/Analysis/DataStructure/Printer.cpp b/llvm/lib/Analysis/DataStructure/Printer.cpp index f6e073adce9..9863875a4e9 100644 --- a/llvm/lib/Analysis/DataStructure/Printer.cpp +++ b/llvm/lib/Analysis/DataStructure/Printer.cpp @@ -100,6 +100,24 @@ struct DOTGraphTraits : public DefaultDOTGraphTraits { 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. -- cgit v1.2.3