//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Andrew Lenharth and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Support/Compiler.h"
#include <set>
using namespace llvm;
namespace {
- class AliasDebugger : public ModulePass, public AliasAnalysis {
+ class VISIBILITY_HIDDEN AliasDebugger
+ : public ModulePass, public AliasAnalysis {
//What we do is simple. Keep track of every value the AA could
//know about, and verify that queries are one of those.
std::set<const Value*> Vals;
public:
+ static char ID; // Class identification, replacement for typeinfo
+ AliasDebugger() : ModulePass(&ID) {}
+
bool runOnModule(Module &M) {
InitializeAliasAnalysis(this); // set up super class
for(Module::iterator I = M.begin(),
E = M.end(); I != E; ++I){
Vals.insert(&*I);
- if(!I->isExternal()) {
+ if(!I->isDeclaration()) {
for (Function::arg_iterator AI = I->arg_begin(), AE = I->arg_end();
AI != AE; ++AI)
Vals.insert(&*AI);
return AliasAnalysis::pointsToConstantMemory(P);
}
- /// getModRefBehavior - Return the behavior of the specified function if
- /// called from the specified call site. The call site may be null in which
- /// case the most generic behavior of this function should be returned.
- virtual ModRefBehavior getModRefBehavior(Function *F, CallSite CS,
- std::vector<PointerAccessInfo> *Info) {
- assert(Vals.find(F) != Vals.end() && "Never seen value in AA before");
- return AliasAnalysis::getModRefBehavior(F, CS, Info);
- }
-
virtual void deleteValue(Value *V) {
assert(Vals.find(V) != Vals.end() && "Never seen value in AA before");
AliasAnalysis::deleteValue(V);
}
};
-
- RegisterPass<AliasDebugger> X("debug-aa", "AA use debugger");
- RegisterAnalysisGroup<AliasAnalysis> Y(X);
}
+char AliasDebugger::ID = 0;
+static RegisterPass<AliasDebugger>
+X("debug-aa", "AA use debugger", false, true);
+static RegisterAnalysisGroup<AliasAnalysis> Y(X);
+
Pass *llvm::createAliasDebugger() { return new AliasDebugger(); }