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If an edge points to a field of another memory object, actually reflect this

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in the DOT visualization of the DSGraphs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14316 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-06-22 07:13:10 +00:00
parent 60f5cf42e9
commit 8e667cdc94
1 changed files with 18 additions and 0 deletions
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18
lib/Analysis/DataStructure/Printer.cpp
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@ -100,6 +100,24 @@ struct DOTGraphTraits<const DSGraph*> : 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.