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add a new CallGraphNode::removeCallEdgeFor method, tidy some comments.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49617 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-04-13 19:41:25 +00:00
parent f99b286154
commit 75caee2419
2 changed files with 24 additions and 5 deletions
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15
include/llvm/Analysis/CallGraph.h
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@@ -103,13 +103,13 @@ public:
return I->second;
}
//Returns the CallGraphNode which is used to represent undetermined calls
// into the callgraph. Override this if you want behavioural inheritance.
/// Returns the CallGraphNode which is used to represent undetermined calls
/// into the callgraph. Override this if you want behavioral inheritance.
virtual CallGraphNode* getExternalCallingNode() const { return 0; }
//Return the root/main method in the module, or some other root node, such
// as the externalcallingnode. Overload these if you behavioural
// inheritance.
/// Return the root/main method in the module, or some other root node, such
/// as the externalcallingnode. Overload these if you behavioral
/// inheritance.
virtual CallGraphNode* getRoot() { return 0; }
virtual const CallGraphNode* getRoot() const { return 0; }
@@ -227,6 +227,11 @@ public:
/// used sparingly.
void removeCallEdgeTo(CallGraphNode *Callee);
/// removeCallEdgeFor - This method removes the edge in the node for the
/// specified call site. Note that this method takes linear time, so it
/// should be used sparingly.
void removeCallEdgeFor(CallSite CS);
/// removeAnyCallEdgeTo - This method removes any call edges from this node to
/// the specified callee function. This takes more time to execute than
/// removeCallEdgeTo, so it should not be used unless necessary.