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Implement new changeFunction method, nuke a never implemented one. 

llvm-svn: 16386
This commit is contained in:
Chris Lattner 2004-09-18 00:22:13 +00:00
parent db981ab5cc
commit e81c2aa42a
1 changed files with 14 additions and 8 deletions
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22
llvm/lib/Analysis/IPA/CallGraph.cpp
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@ -163,14 +163,6 @@ void CallGraph::dump() const {
// Implementations of public modification methods
//
// Functions to keep a call graph up to date with a function that has been
// modified
//
void CallGraph::addFunctionToModule(Function *F) {
assert(0 && "not implemented");
abort();
}
// removeFunctionFromModule - Unlink the function from this module, returning
// it. Because this removes the function from the module, the call graph node
// is destroyed. This is only valid if the function does not call any other
@ -188,6 +180,20 @@ Function *CallGraph::removeFunctionFromModule(CallGraphNode *CGN) {
return F;
}
// changeFunction - This method changes the function associated with this
// CallGraphNode, for use by transformations that need to change the prototype
// of a Function (thus they must create a new Function and move the old code
// over).
void CallGraph::changeFunction(Function *OldF, Function *NewF) {
iterator I = FunctionMap.find(OldF);
CallGraphNode *&New = FunctionMap[NewF];
assert(I != FunctionMap.end() && I->second && !New &&
"OldF didn't exist in CG or NewF already does!");
New = I->second;
FunctionMap.erase(I);
}
void CallGraph::stub() {}
void CallGraphNode::removeCallEdgeTo(CallGraphNode *Callee) {