#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.
InitializeAliasAnalysis(this); // set up super class
for(Module::global_iterator I = M.global_begin(),
- E = M.global_end(); I != E; ++I)
+ E = M.global_end(); I != E; ++I) {
Vals.insert(&*I);
+ for (User::const_op_iterator OI = I->op_begin(),
+ OE = I->op_end(); OI != OE; ++OI)
+ Vals.insert(*OI);
+ }
for(Module::iterator I = M.begin(),
E = M.end(); I != E; ++I){
for (Function::const_iterator FI = I->begin(), FE = I->end();
FI != FE; ++FI)
for (BasicBlock::const_iterator BI = FI->begin(), BE = FI->end();
- BI != BE; ++BI)
+ BI != BE; ++BI) {
Vals.insert(&*BI);
+ for (User::const_op_iterator OI = BI->op_begin(),
+ OE = BI->op_end(); OI != OE; ++OI)
+ Vals.insert(*OI);
+ }
}
}
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 StaticPassInfo *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);