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* Add support for Invoke instructions

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* Add support for indirect calls


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-10-13 06:33:19 +00:00
parent 2f004fdf18
commit 9f9e2befd0
1 changed files with 11 additions and 3 deletions
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14
lib/Analysis/IPA/CallGraph.cpp
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@ -4,6 +4,10 @@
// eventually implement call graph serialization and deserialization for // eventually implement call graph serialization and deserialization for
// annotation support. // annotation support.
// //
// This call graph represents a dynamic method invocation as a null method node.
// A call graph may only have up to one null method node that represents all of
// the dynamic method invocations.
//
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/Analysis/CallGraph.h" #include "llvm/Analysis/CallGraph.h"
@ -12,6 +16,7 @@
#include "llvm/Module.h" #include "llvm/Module.h"
#include "llvm/Method.h" #include "llvm/Method.h"
#include "llvm/iOther.h" #include "llvm/iOther.h"
#include "llvm/iTerminators.h"
#include <algorithm> #include <algorithm>
using namespace cfg; using namespace cfg;
@ -36,10 +41,13 @@ CallGraphNode *CallGraph::getNodeFor(Method *M) {
void CallGraph::addToCallGraph(Method *M) { void CallGraph::addToCallGraph(Method *M) {
CallGraphNode *Node = getNodeFor(M); CallGraphNode *Node = getNodeFor(M);
for (Method::inst_iterator II = M->inst_begin(), IE = M->inst_end(); for (Method::inst_iterator I = M->inst_begin(), E = M->inst_end();
II != IE; ++II) { I != E; ++I) {
if (CallInst *CI = dyn_cast<CallInst>(*II)) // Dynamic calls will cause Null nodes to be created
if (CallInst *CI = dyn_cast<CallInst>(*I))
Node->addCalledMethod(getNodeFor(CI->getCalledMethod())); Node->addCalledMethod(getNodeFor(CI->getCalledMethod()));
else if (InvokeInst *II = dyn_cast<InvokeInst>(*I))
Node->addCalledMethod(getNodeFor(II->getCalledMethod()));
} }
} }