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Replace M with F when refering to functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8274 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -61,27 +61,27 @@ CallGraphNode *CallGraph::getNodeFor(Function *F) {
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// addToCallGraph - Add a function to the call graph, and link the node to all
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// of the functions that it calls.
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//
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void CallGraph::addToCallGraph(Function *M) {
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CallGraphNode *Node = getNodeFor(M);
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void CallGraph::addToCallGraph(Function *F) {
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CallGraphNode *Node = getNodeFor(F);
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// If this function has external linkage,
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if (!M->hasInternalLinkage()) {
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if (!F->hasInternalLinkage()) {
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ExternalNode->addCalledFunction(Node);
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// Found the entry point?
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if (M->getName() == "main") {
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if (F->getName() == "main") {
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if (Root)
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Root = ExternalNode; // Found multiple external mains? Don't pick one.
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else
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Root = Node; // Found a main, keep track of it!
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}
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} else if (M->isExternal()) { // Not defined in this xlation unit?
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} else if (F->isExternal()) { // Not defined in this xlation unit?
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Node->addCalledFunction(ExternalNode); // It could call anything...
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}
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// Loop over all of the users of the function... looking for callers...
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//
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for (Value::use_iterator I = M->use_begin(), E = M->use_end(); I != E; ++I) {
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for (Value::use_iterator I = F->use_begin(), E = F->use_end(); I != E; ++I) {
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User *U = *I;
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if (CallInst *CI = dyn_cast<CallInst>(U))
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getNodeFor(CI->getParent()->getParent())->addCalledFunction(Node);
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@ -92,7 +92,7 @@ void CallGraph::addToCallGraph(Function *M) {
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}
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// Look for an indirect function call...
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for (Function::iterator BB = M->begin(), BBE = M->end(); BB != BBE; ++BB)
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for (Function::iterator BB = F->begin(), BBE = F->end(); BB != BBE; ++BB)
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for (BasicBlock::iterator II = BB->begin(), IE = BB->end(); II != IE; ++II){
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Instruction &I = *II;
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@ -174,11 +174,11 @@ void CallGraph::addFunctionToModule(Function *Meth) {
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Function *CallGraph::removeFunctionFromModule(CallGraphNode *CGN) {
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assert(CGN->CalledFunctions.empty() && "Cannot remove function from call "
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"graph if it references other functions!");
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Function *M = CGN->getFunction(); // Get the function for the call graph node
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Function *F = CGN->getFunction(); // Get the function for the call graph node
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delete CGN; // Delete the call graph node for this func
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FunctionMap.erase(M); // Remove the call graph node from the map
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FunctionMap.erase(F); // Remove the call graph node from the map
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Mod->getFunctionList().remove(M);
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return M;
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Mod->getFunctionList().remove(F);
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return F;
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}
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