#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 VISIBILITY_HIDDEN AliasDebugger
- : public ModulePass, public AliasAnalysis {
+ class 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.
public:
static char ID; // Class identification, replacement for typeinfo
- AliasDebugger() : ModulePass((intptr_t)&ID) {}
+ AliasDebugger() : ModulePass(&ID) {}
bool runOnModule(Module &M) {
InitializeAliasAnalysis(this); // set up super class
AU.setPreservesAll(); // Does not transform code
}
+ /// getAdjustedAnalysisPointer - This method is used when a pass implements
+ /// an analysis interface through multiple inheritance. If needed, it
+ /// should override this to adjust the this pointer as needed for the
+ /// specified pass info.
+ virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
+ if (PI->isPassID(&AliasAnalysis::ID))
+ return (AliasAnalysis*)this;
+ return this;
+ }
+
//------------------------------------------------
// Implement the AliasAnalysis API
//
return AliasAnalysis::getModRefInfo(CS1,CS2);
}
- void getMustAliases(Value *P, std::vector<Value*> &RetVals) {
- assert(Vals.find(P) != Vals.end() && "Never seen value in AA before");
- return AliasAnalysis::getMustAliases(P, RetVals);
- }
-
bool pointsToConstantMemory(const Value *P) {
assert(Vals.find(P) != Vals.end() && "Never seen value in AA before");
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);