#include "llvm/ADT/SetVector.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
+#include "llvm/IR/Module.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/Pass.h"
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
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addRequired<AliasAnalysis>();
+ AU.addRequired<AAResultsWrapperPass>();
AU.setPreservesAll();
}
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;
char AAEval::ID = 0;
INITIALIZE_PASS_BEGIN(AAEval, "aa-eval",
"Exhaustive Alias Analysis Precision Evaluator", false, true)
-INITIALIZE_AG_DEPENDENCY(AliasAnalysis)
+INITIALIZE_PASS_DEPENDENCY(AAResultsWrapperPass)
INITIALIZE_PASS_END(AAEval, "aa-eval",
"Exhaustive Alias Analysis Precision Evaluator", false, true)
}
bool AAEval::runOnFunction(Function &F) {
- AliasAnalysis &AA = getAnalysis<AliasAnalysis>();
+ const DataLayout &DL = F.getParent()->getDataLayout();
+ AliasAnalysis &AA = getAnalysis<AAResultsWrapperPass>().getAAResults();
SetVector<Value *> Pointers;
- SetVector<CallSite> CallSites;
+ SmallSetVector<CallSite, 16> CallSites;
SetVector<Value *> Loads;
SetVector<Value *> Stores;
- for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end(); I != E; ++I)
- if (I->getType()->isPointerTy()) // Add all pointer arguments.
- Pointers.insert(I);
+ for (auto &I : F.args())
+ if (I.getType()->isPointerTy()) // Add all pointer arguments.
+ Pointers.insert(&I);
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) {
if (I->getType()->isPointerTy()) // Add all pointer instructions.
I1 != E; ++I1) {
uint64_t I1Size = MemoryLocation::UnknownSize;
Type *I1ElTy = cast<PointerType>((*I1)->getType())->getElementType();
- if (I1ElTy->isSized()) I1Size = AA.getTypeStoreSize(I1ElTy);
+ if (I1ElTy->isSized()) I1Size = DL.getTypeStoreSize(I1ElTy);
for (SetVector<Value *>::iterator I2 = Pointers.begin(); I2 != I1; ++I2) {
uint64_t I2Size = MemoryLocation::UnknownSize;
Type *I2ElTy =cast<PointerType>((*I2)->getType())->getElementType();
- if (I2ElTy->isSized()) I2Size = AA.getTypeStoreSize(I2ElTy);
+ if (I2ElTy->isSized()) I2Size = DL.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;
}
}
}
I2 != E2; ++I2) {
switch (AA.alias(MemoryLocation::get(cast<LoadInst>(*I1)),
MemoryLocation::get(cast<StoreInst>(*I2)))) {
- case AliasAnalysis::NoAlias:
+ 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 I2 = Stores.begin(); I2 != I1; ++I2) {
switch (AA.alias(MemoryLocation::get(cast<StoreInst>(*I1)),
MemoryLocation::get(cast<StoreInst>(*I2)))) {
- case AliasAnalysis::NoAlias:
+ 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;
}
}
}
}
// Mod/ref alias analysis: compare all pairs of calls and values
- for (SetVector<CallSite>::iterator C = CallSites.begin(),
- Ce = CallSites.end(); C != Ce; ++C) {
+ for (auto C = CallSites.begin(), Ce = CallSites.end(); C != Ce; ++C) {
Instruction *I = C->getInstruction();
for (SetVector<Value *>::iterator V = Pointers.begin(), Ve = Pointers.end();
V != Ve; ++V) {
uint64_t Size = MemoryLocation::UnknownSize;
Type *ElTy = cast<PointerType>((*V)->getType())->getElementType();
- if (ElTy->isSized()) Size = AA.getTypeStoreSize(ElTy);
+ if (ElTy->isSized()) Size = DL.getTypeStoreSize(ElTy);
switch (AA.getModRefInfo(*C, *V, Size)) {
- case AliasAnalysis::NoModRef:
+ case MRI_NoModRef:
PrintModRefResults("NoModRef", PrintNoModRef, I, *V, F.getParent());
- ++NoModRef; break;
- case AliasAnalysis::Mod:
+ ++NoModRefCount;
+ break;
+ case MRI_Mod:
PrintModRefResults("Just Mod", PrintMod, I, *V, F.getParent());
- ++Mod; break;
- case AliasAnalysis::Ref:
+ ++ModCount;
+ break;
+ case MRI_Ref:
PrintModRefResults("Just Ref", PrintRef, I, *V, F.getParent());
- ++Ref; break;
- case AliasAnalysis::ModRef:
+ ++RefCount;
+ break;
+ case MRI_ModRef:
PrintModRefResults("Both ModRef", PrintModRef, I, *V, F.getParent());
- ++ModRef; break;
+ ++ModRefCount;
+ break;
}
}
}
// Mod/ref alias analysis: compare all pairs of calls
- for (SetVector<CallSite>::iterator C = CallSites.begin(),
- Ce = CallSites.end(); C != Ce; ++C) {
- for (SetVector<CallSite>::iterator D = CallSites.begin(); D != Ce; ++D) {
+ for (auto C = CallSites.begin(), Ce = CallSites.end(); C != Ce; ++C) {
+ for (auto D = CallSites.begin(); D != Ce; ++D) {
if (D == C)
continue;
switch (AA.getModRefInfo(*C, *D)) {
- case AliasAnalysis::NoModRef:
+ case MRI_NoModRef:
PrintModRefResults("NoModRef", PrintNoModRef, *C, *D, F.getParent());
- ++NoModRef; break;
- case AliasAnalysis::Mod:
+ ++NoModRefCount;
+ break;
+ case MRI_Mod:
PrintModRefResults("Just Mod", PrintMod, *C, *D, F.getParent());
- ++Mod; break;
- case AliasAnalysis::Ref:
+ ++ModCount;
+ break;
+ case MRI_Ref:
PrintModRefResults("Just Ref", PrintRef, *C, *D, F.getParent());
- ++Ref; break;
- case AliasAnalysis::ModRef:
+ ++RefCount;
+ break;
+ case MRI_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;
projects / oota-llvm.git / blobdiff