//===----------------------------------------------------------------------===//
#include "llvm/Analysis/Passes.h"
-#include "llvm/Module.h"
-#include "llvm/Pass.h"
-#include "llvm/Instructions.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Support/Compiler.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Pass.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) {
+ initializeAliasDebuggerPass(*PassRegistry::getPassRegistry());
+ }
- bool runOnModule(Module &M) {
- InitializeAliasAnalysis(this); // set up super class
+ bool runOnModule(Module &M) override {
+ InitializeAliasAnalysis(this, &M.getDataLayout()); // 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);
+ }
}
}
return false;
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AliasAnalysis::getAnalysisUsage(AU);
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.
+ void *getAdjustedAnalysisPointer(AnalysisID PI) override {
+ if (PI == &AliasAnalysis::ID)
+ return (AliasAnalysis*)this;
+ return this;
+ }
+
//------------------------------------------------
// Implement the AliasAnalysis API
//
- AliasResult alias(const Value *V1, unsigned V1Size,
- const Value *V2, unsigned V2Size) {
- assert(Vals.find(V1) != Vals.end() && "Never seen value in AA before");
- assert(Vals.find(V2) != Vals.end() && "Never seen value in AA before");
- return AliasAnalysis::alias(V1, V1Size, V2, V2Size);
+ AliasResult alias(const MemoryLocation &LocA,
+ const MemoryLocation &LocB) override {
+ assert(Vals.find(LocA.Ptr) != Vals.end() &&
+ "Never seen value in AA before");
+ assert(Vals.find(LocB.Ptr) != Vals.end() &&
+ "Never seen value in AA before");
+ return AliasAnalysis::alias(LocA, LocB);
}
- ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size) {
- assert(Vals.find(P) != Vals.end() && "Never seen value in AA before");
- return AliasAnalysis::getModRefInfo(CS, P, Size);
+ ModRefInfo getModRefInfo(ImmutableCallSite CS,
+ const MemoryLocation &Loc) override {
+ assert(Vals.find(Loc.Ptr) != Vals.end() && "Never seen value in AA before");
+ return AliasAnalysis::getModRefInfo(CS, Loc);
}
- ModRefResult getModRefInfo(CallSite CS1, CallSite CS2) {
+ ModRefInfo getModRefInfo(ImmutableCallSite CS1,
+ ImmutableCallSite CS2) override {
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);
+ bool pointsToConstantMemory(const MemoryLocation &Loc,
+ bool OrLocal) override {
+ assert(Vals.find(Loc.Ptr) != Vals.end() && "Never seen value in AA before");
+ return AliasAnalysis::pointsToConstantMemory(Loc, OrLocal);
}
-
- /// 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);
- }
- virtual void copyValue(Value *From, Value *To) {
- Vals.insert(To);
- AliasAnalysis::copyValue(From, To);
- }
-
};
-
- char AliasDebugger::ID = 0;
- RegisterPass<AliasDebugger> X("debug-aa", "AA use debugger", true, true);
- RegisterAnalysisGroup<AliasAnalysis> Y(X);
}
+char AliasDebugger::ID = 0;
+INITIALIZE_AG_PASS(AliasDebugger, AliasAnalysis, "debug-aa",
+ "AA use debugger", false, true, false)
+
Pass *llvm::createAliasDebugger() { return new AliasDebugger(); }
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