static cl::opt<bool> PrintRef("print-ref", cl::ReallyHidden);
static cl::opt<bool> PrintModRef("print-modref", cl::ReallyHidden);
-static cl::opt<bool> EvalTBAA("evaluate-tbaa", cl::ReallyHidden);
+static cl::opt<bool> EvalAAMD("evaluate-aa-metadata", cl::ReallyHidden);
namespace {
class AAEval : public FunctionPass {
- unsigned NoAlias, MayAlias, PartialAlias, MustAlias;
- unsigned NoModRef, Mod, Ref, ModRef;
+ unsigned NoAliasCount, MayAliasCount, PartialAliasCount, MustAliasCount;
+ unsigned NoModRefCount, ModCount, RefCount, ModRefCount;
public:
static char ID; // Pass identification, replacement for typeid
}
bool doInitialization(Module &M) override {
- NoAlias = MayAlias = PartialAlias = MustAlias = 0;
- NoModRef = Mod = Ref = ModRef = 0;
+ NoAliasCount = MayAliasCount = PartialAliasCount = MustAliasCount = 0;
+ NoModRefCount = ModCount = RefCount = ModRefCount = 0;
if (PrintAll) {
PrintNoAlias = PrintMayAlias = true;
bool runOnFunction(Function &F) override;
bool doFinalization(Module &M) override;
};
-}
+} // namespace
char AAEval::ID = 0;
INITIALIZE_PASS_BEGIN(AAEval, "aa-eval",
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) {
if (I->getType()->isPointerTy()) // Add all pointer instructions.
Pointers.insert(&*I);
- if (EvalTBAA && isa<LoadInst>(&*I))
+ if (EvalAAMD && isa<LoadInst>(&*I))
Loads.insert(&*I);
- if (EvalTBAA && isa<StoreInst>(&*I))
+ if (EvalAAMD && isa<StoreInst>(&*I))
Stores.insert(&*I);
Instruction &Inst = *I;
- if (CallSite CS = cast<Value>(&Inst)) {
+ if (auto CS = CallSite(&Inst)) {
Value *Callee = CS.getCalledValue();
// Skip actual functions for direct function calls.
if (!isa<Function>(Callee) && isInterestingPointer(Callee))
// iterate over the worklist, and run the full (n^2)/2 disambiguations
for (SetVector<Value *>::iterator I1 = Pointers.begin(), E = Pointers.end();
I1 != E; ++I1) {
- uint64_t I1Size = AliasAnalysis::UnknownSize;
+ uint64_t I1Size = MemoryLocation::UnknownSize;
Type *I1ElTy = cast<PointerType>((*I1)->getType())->getElementType();
if (I1ElTy->isSized()) I1Size = AA.getTypeStoreSize(I1ElTy);
for (SetVector<Value *>::iterator I2 = Pointers.begin(); I2 != I1; ++I2) {
- uint64_t I2Size = AliasAnalysis::UnknownSize;
+ uint64_t I2Size = MemoryLocation::UnknownSize;
Type *I2ElTy =cast<PointerType>((*I2)->getType())->getElementType();
if (I2ElTy->isSized()) I2Size = AA.getTypeStoreSize(I2ElTy);
switch (AA.alias(*I1, I1Size, *I2, I2Size)) {
- case AliasAnalysis::NoAlias:
+ case NoAlias:
PrintResults("NoAlias", PrintNoAlias, *I1, *I2, F.getParent());
- ++NoAlias; break;
- case AliasAnalysis::MayAlias:
+ ++NoAliasCount;
+ break;
+ case MayAlias:
PrintResults("MayAlias", PrintMayAlias, *I1, *I2, F.getParent());
- ++MayAlias; break;
- case AliasAnalysis::PartialAlias:
+ ++MayAliasCount;
+ break;
+ case PartialAlias:
PrintResults("PartialAlias", PrintPartialAlias, *I1, *I2,
F.getParent());
- ++PartialAlias; break;
- case AliasAnalysis::MustAlias:
+ ++PartialAliasCount;
+ break;
+ case MustAlias:
PrintResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent());
- ++MustAlias; break;
+ ++MustAliasCount;
+ break;
}
}
}
- if (EvalTBAA) {
+ if (EvalAAMD) {
// iterate over all pairs of load, store
for (SetVector<Value *>::iterator I1 = Loads.begin(), E = Loads.end();
I1 != E; ++I1) {
for (SetVector<Value *>::iterator I2 = Stores.begin(), E2 = Stores.end();
I2 != E2; ++I2) {
- switch (AA.alias(AA.getLocation(cast<LoadInst>(*I1)),
- AA.getLocation(cast<StoreInst>(*I2)))) {
- case AliasAnalysis::NoAlias:
+ switch (AA.alias(MemoryLocation::get(cast<LoadInst>(*I1)),
+ MemoryLocation::get(cast<StoreInst>(*I2)))) {
+ case NoAlias:
PrintLoadStoreResults("NoAlias", PrintNoAlias, *I1, *I2,
F.getParent());
- ++NoAlias; break;
- case AliasAnalysis::MayAlias:
+ ++NoAliasCount;
+ break;
+ case MayAlias:
PrintLoadStoreResults("MayAlias", PrintMayAlias, *I1, *I2,
F.getParent());
- ++MayAlias; break;
- case AliasAnalysis::PartialAlias:
+ ++MayAliasCount;
+ break;
+ case PartialAlias:
PrintLoadStoreResults("PartialAlias", PrintPartialAlias, *I1, *I2,
F.getParent());
- ++PartialAlias; break;
- case AliasAnalysis::MustAlias:
+ ++PartialAliasCount;
+ break;
+ case MustAlias:
PrintLoadStoreResults("MustAlias", PrintMustAlias, *I1, *I2,
F.getParent());
- ++MustAlias; break;
+ ++MustAliasCount;
+ break;
}
}
}
for (SetVector<Value *>::iterator I1 = Stores.begin(), E = Stores.end();
I1 != E; ++I1) {
for (SetVector<Value *>::iterator I2 = Stores.begin(); I2 != I1; ++I2) {
- switch (AA.alias(AA.getLocation(cast<StoreInst>(*I1)),
- AA.getLocation(cast<StoreInst>(*I2)))) {
- case AliasAnalysis::NoAlias:
+ switch (AA.alias(MemoryLocation::get(cast<StoreInst>(*I1)),
+ MemoryLocation::get(cast<StoreInst>(*I2)))) {
+ case NoAlias:
PrintLoadStoreResults("NoAlias", PrintNoAlias, *I1, *I2,
F.getParent());
- ++NoAlias; break;
- case AliasAnalysis::MayAlias:
+ ++NoAliasCount;
+ break;
+ case MayAlias:
PrintLoadStoreResults("MayAlias", PrintMayAlias, *I1, *I2,
F.getParent());
- ++MayAlias; break;
- case AliasAnalysis::PartialAlias:
+ ++MayAliasCount;
+ break;
+ case PartialAlias:
PrintLoadStoreResults("PartialAlias", PrintPartialAlias, *I1, *I2,
F.getParent());
- ++PartialAlias; break;
- case AliasAnalysis::MustAlias:
+ ++PartialAliasCount;
+ break;
+ case MustAlias:
PrintLoadStoreResults("MustAlias", PrintMustAlias, *I1, *I2,
F.getParent());
- ++MustAlias; break;
+ ++MustAliasCount;
+ break;
}
}
}
for (SetVector<Value *>::iterator V = Pointers.begin(), Ve = Pointers.end();
V != Ve; ++V) {
- uint64_t Size = AliasAnalysis::UnknownSize;
+ uint64_t Size = MemoryLocation::UnknownSize;
Type *ElTy = cast<PointerType>((*V)->getType())->getElementType();
if (ElTy->isSized()) Size = AA.getTypeStoreSize(ElTy);
switch (AA.getModRefInfo(*C, *V, Size)) {
case AliasAnalysis::NoModRef:
PrintModRefResults("NoModRef", PrintNoModRef, I, *V, F.getParent());
- ++NoModRef; break;
+ ++NoModRefCount;
+ break;
case AliasAnalysis::Mod:
PrintModRefResults("Just Mod", PrintMod, I, *V, F.getParent());
- ++Mod; break;
+ ++ModCount;
+ break;
case AliasAnalysis::Ref:
PrintModRefResults("Just Ref", PrintRef, I, *V, F.getParent());
- ++Ref; break;
+ ++RefCount;
+ break;
case AliasAnalysis::ModRef:
PrintModRefResults("Both ModRef", PrintModRef, I, *V, F.getParent());
- ++ModRef; break;
+ ++ModRefCount;
+ break;
}
}
}
switch (AA.getModRefInfo(*C, *D)) {
case AliasAnalysis::NoModRef:
PrintModRefResults("NoModRef", PrintNoModRef, *C, *D, F.getParent());
- ++NoModRef; break;
+ ++NoModRefCount;
+ break;
case AliasAnalysis::Mod:
PrintModRefResults("Just Mod", PrintMod, *C, *D, F.getParent());
- ++Mod; break;
+ ++ModCount;
+ break;
case AliasAnalysis::Ref:
PrintModRefResults("Just Ref", PrintRef, *C, *D, F.getParent());
- ++Ref; break;
+ ++RefCount;
+ break;
case AliasAnalysis::ModRef:
PrintModRefResults("Both ModRef", PrintModRef, *C, *D, F.getParent());
- ++ModRef; break;
+ ++ModRefCount;
+ break;
}
}
}
}
bool AAEval::doFinalization(Module &M) {
- unsigned AliasSum = NoAlias + MayAlias + PartialAlias + MustAlias;
+ unsigned AliasSum =
+ NoAliasCount + MayAliasCount + PartialAliasCount + MustAliasCount;
errs() << "===== Alias Analysis Evaluator Report =====\n";
if (AliasSum == 0) {
errs() << " Alias Analysis Evaluator Summary: No pointers!\n";
} else {
errs() << " " << AliasSum << " Total Alias Queries Performed\n";
- errs() << " " << NoAlias << " no alias responses ";
- PrintPercent(NoAlias, AliasSum);
- errs() << " " << MayAlias << " may alias responses ";
- PrintPercent(MayAlias, AliasSum);
- errs() << " " << PartialAlias << " partial alias responses ";
- PrintPercent(PartialAlias, AliasSum);
- errs() << " " << MustAlias << " must alias responses ";
- PrintPercent(MustAlias, AliasSum);
+ errs() << " " << NoAliasCount << " no alias responses ";
+ PrintPercent(NoAliasCount, AliasSum);
+ errs() << " " << MayAliasCount << " may alias responses ";
+ PrintPercent(MayAliasCount, AliasSum);
+ errs() << " " << PartialAliasCount << " partial alias responses ";
+ PrintPercent(PartialAliasCount, AliasSum);
+ errs() << " " << MustAliasCount << " must alias responses ";
+ PrintPercent(MustAliasCount, AliasSum);
errs() << " Alias Analysis Evaluator Pointer Alias Summary: "
- << NoAlias*100/AliasSum << "%/" << MayAlias*100/AliasSum << "%/"
- << PartialAlias*100/AliasSum << "%/"
- << MustAlias*100/AliasSum << "%\n";
+ << NoAliasCount * 100 / AliasSum << "%/"
+ << MayAliasCount * 100 / AliasSum << "%/"
+ << PartialAliasCount * 100 / AliasSum << "%/"
+ << MustAliasCount * 100 / AliasSum << "%\n";
}
// Display the summary for mod/ref analysis
- unsigned ModRefSum = NoModRef + Mod + Ref + ModRef;
+ unsigned ModRefSum = NoModRefCount + ModCount + RefCount + ModRefCount;
if (ModRefSum == 0) {
- errs() << " Alias Analysis Mod/Ref Evaluator Summary: no mod/ref!\n";
+ errs() << " Alias Analysis Mod/Ref Evaluator Summary: no "
+ "mod/ref!\n";
} else {
errs() << " " << ModRefSum << " Total ModRef Queries Performed\n";
- errs() << " " << NoModRef << " no mod/ref responses ";
- PrintPercent(NoModRef, ModRefSum);
- errs() << " " << Mod << " mod responses ";
- PrintPercent(Mod, ModRefSum);
- errs() << " " << Ref << " ref responses ";
- PrintPercent(Ref, ModRefSum);
- errs() << " " << ModRef << " mod & ref responses ";
- PrintPercent(ModRef, ModRefSum);
+ errs() << " " << NoModRefCount << " no mod/ref responses ";
+ PrintPercent(NoModRefCount, ModRefSum);
+ errs() << " " << ModCount << " mod responses ";
+ PrintPercent(ModCount, ModRefSum);
+ errs() << " " << RefCount << " ref responses ";
+ PrintPercent(RefCount, ModRefSum);
+ errs() << " " << ModRefCount << " mod & ref responses ";
+ PrintPercent(ModRefCount, ModRefSum);
errs() << " Alias Analysis Evaluator Mod/Ref Summary: "
- << NoModRef*100/ModRefSum << "%/" << Mod*100/ModRefSum << "%/"
- << Ref*100/ModRefSum << "%/" << ModRef*100/ModRefSum << "%\n";
+ << NoModRefCount * 100 / ModRefSum << "%/"
+ << ModCount * 100 / ModRefSum << "%/" << RefCount * 100 / ModRefSum
+ << "%/" << ModRefCount * 100 / ModRefSum << "%\n";
}
return false;
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