diff options
Diffstat (limited to 'lib/Analysis/AliasAnalysisEvaluator.cpp')
-rw-r--r-- | lib/Analysis/AliasAnalysisEvaluator.cpp | 128 |
1 files changed, 76 insertions, 52 deletions
diff --git a/lib/Analysis/AliasAnalysisEvaluator.cpp b/lib/Analysis/AliasAnalysisEvaluator.cpp index dd6a3a0715e1..1501b5f64aa6 100644 --- a/lib/Analysis/AliasAnalysisEvaluator.cpp +++ b/lib/Analysis/AliasAnalysisEvaluator.cpp @@ -47,8 +47,8 @@ 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 @@ -62,8 +62,8 @@ namespace { } 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; @@ -76,7 +76,7 @@ namespace { bool runOnFunction(Function &F) override; bool doFinalization(Module &M) override; }; -} +} // namespace char AAEval::ID = 0; INITIALIZE_PASS_BEGIN(AAEval, "aa-eval", @@ -186,29 +186,33 @@ bool AAEval::runOnFunction(Function &F) { // 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: PrintResults("NoAlias", PrintNoAlias, *I1, *I2, F.getParent()); - ++NoAlias; break; + ++NoAliasCount; + break; case AliasAnalysis::MayAlias: PrintResults("MayAlias", PrintMayAlias, *I1, *I2, F.getParent()); - ++MayAlias; break; + ++MayAliasCount; + break; case AliasAnalysis::PartialAlias: PrintResults("PartialAlias", PrintPartialAlias, *I1, *I2, F.getParent()); - ++PartialAlias; break; + ++PartialAliasCount; + break; case AliasAnalysis::MustAlias: PrintResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent()); - ++MustAlias; break; + ++MustAliasCount; + break; } } } @@ -224,19 +228,23 @@ bool AAEval::runOnFunction(Function &F) { case AliasAnalysis::NoAlias: PrintLoadStoreResults("NoAlias", PrintNoAlias, *I1, *I2, F.getParent()); - ++NoAlias; break; + ++NoAliasCount; + break; case AliasAnalysis::MayAlias: PrintLoadStoreResults("MayAlias", PrintMayAlias, *I1, *I2, F.getParent()); - ++MayAlias; break; + ++MayAliasCount; + break; case AliasAnalysis::PartialAlias: PrintLoadStoreResults("PartialAlias", PrintPartialAlias, *I1, *I2, F.getParent()); - ++PartialAlias; break; + ++PartialAliasCount; + break; case AliasAnalysis::MustAlias: PrintLoadStoreResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent()); - ++MustAlias; break; + ++MustAliasCount; + break; } } } @@ -250,19 +258,23 @@ bool AAEval::runOnFunction(Function &F) { case AliasAnalysis::NoAlias: PrintLoadStoreResults("NoAlias", PrintNoAlias, *I1, *I2, F.getParent()); - ++NoAlias; break; + ++NoAliasCount; + break; case AliasAnalysis::MayAlias: PrintLoadStoreResults("MayAlias", PrintMayAlias, *I1, *I2, F.getParent()); - ++MayAlias; break; + ++MayAliasCount; + break; case AliasAnalysis::PartialAlias: PrintLoadStoreResults("PartialAlias", PrintPartialAlias, *I1, *I2, F.getParent()); - ++PartialAlias; break; + ++PartialAliasCount; + break; case AliasAnalysis::MustAlias: PrintLoadStoreResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent()); - ++MustAlias; break; + ++MustAliasCount; + break; } } } @@ -275,23 +287,27 @@ bool AAEval::runOnFunction(Function &F) { 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; } } } @@ -305,16 +321,20 @@ bool AAEval::runOnFunction(Function &F) { 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; } } } @@ -328,43 +348,47 @@ static void PrintPercent(unsigned Num, unsigned Sum) { } 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; |