X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FAliasAnalysisCounter.cpp;h=d947220e078df51b6d1a87d88b3fc61ef758fa14;hb=4032eaf98c63b0fb1f2418a1cdc56b72bc76c329;hp=1053955ea23397654a33b904b7a8742e1dc26087;hpb=52fd7da29594af15650f99de2bb7e2f2872d1619;p=oota-llvm.git diff --git a/lib/Analysis/AliasAnalysisCounter.cpp b/lib/Analysis/AliasAnalysisCounter.cpp index 1053955ea23..d947220e078 100644 --- a/lib/Analysis/AliasAnalysisCounter.cpp +++ b/lib/Analysis/AliasAnalysisCounter.cpp @@ -29,13 +29,14 @@ PrintAllFailures("count-aa-print-all-failed-queries", cl::ReallyHidden); namespace { class AliasAnalysisCounter : public ModulePass, public AliasAnalysis { - unsigned No, May, Must; + unsigned No, May, Partial, Must; unsigned NoMR, JustRef, JustMod, MR; Module *M; public: static char ID; // Class identification, replacement for typeinfo - AliasAnalysisCounter() : ModulePass(&ID) { - No = May = Must = 0; + AliasAnalysisCounter() : ModulePass(ID) { + initializeAliasAnalysisCounterPass(*PassRegistry::getPassRegistry()); + No = May = Partial = Must = 0; NoMR = JustRef = JustMod = MR = 0; } @@ -44,7 +45,7 @@ namespace { << Val*100/Sum << "%)\n"; } ~AliasAnalysisCounter() { - unsigned AASum = No+May+Must; + unsigned AASum = No+May+Partial+Must; unsigned MRSum = NoMR+JustRef+JustMod+MR; if (AASum + MRSum) { // Print a report if any counted queries occurred... errs() << "\n===== Alias Analysis Counter Report =====\n" @@ -53,9 +54,12 @@ namespace { if (AASum) { printLine("no alias", No, AASum); printLine("may alias", May, AASum); + printLine("partial alias", Partial, AASum); printLine("must alias", Must, AASum); errs() << " Alias Analysis Counter Summary: " << No*100/AASum << "%/" - << May*100/AASum << "%/" << Must*100/AASum<<"%\n\n"; + << May*100/AASum << "%/" + << Partial*100/AASum << "%/" + << Must*100/AASum<<"%\n\n"; } errs() << " " << MRSum << " Total Mod/Ref Queries Performed\n"; @@ -87,58 +91,58 @@ namespace { /// 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 PassInfo *PI) { - if (PI->isPassID(&AliasAnalysis::ID)) + virtual void *getAdjustedAnalysisPointer(AnalysisID PI) { + if (PI == &AliasAnalysis::ID) return (AliasAnalysis*)this; return this; } // FIXME: We could count these too... - bool pointsToConstantMemory(const Value *P) { - return getAnalysis().pointsToConstantMemory(P); + bool pointsToConstantMemory(const Location &Loc, bool OrLocal) { + return getAnalysis().pointsToConstantMemory(Loc, OrLocal); } // Forwarding functions: just delegate to a real AA implementation, counting // the number of responses... - AliasResult alias(const Value *V1, unsigned V1Size, - const Value *V2, unsigned V2Size); + AliasResult alias(const Location &LocA, const Location &LocB); - ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size); - ModRefResult getModRefInfo(CallSite CS1, CallSite CS2) { + ModRefResult getModRefInfo(ImmutableCallSite CS, + const Location &Loc); + ModRefResult getModRefInfo(ImmutableCallSite CS1, + ImmutableCallSite CS2) { return AliasAnalysis::getModRefInfo(CS1,CS2); } }; } char AliasAnalysisCounter::ID = 0; -static RegisterPass -X("count-aa", "Count Alias Analysis Query Responses", false, true); -static RegisterAnalysisGroup Y(X); +INITIALIZE_AG_PASS(AliasAnalysisCounter, AliasAnalysis, "count-aa", + "Count Alias Analysis Query Responses", false, true, false) ModulePass *llvm::createAliasAnalysisCounterPass() { return new AliasAnalysisCounter(); } AliasAnalysis::AliasResult -AliasAnalysisCounter::alias(const Value *V1, unsigned V1Size, - const Value *V2, unsigned V2Size) { - AliasResult R = getAnalysis().alias(V1, V1Size, V2, V2Size); +AliasAnalysisCounter::alias(const Location &LocA, const Location &LocB) { + AliasResult R = getAnalysis().alias(LocA, LocB); const char *AliasString; switch (R) { default: llvm_unreachable("Unknown alias type!"); case NoAlias: No++; AliasString = "No alias"; break; case MayAlias: May++; AliasString = "May alias"; break; + case PartialAlias: Partial++; AliasString = "Partial alias"; break; case MustAlias: Must++; AliasString = "Must alias"; break; } if (PrintAll || (PrintAllFailures && R == MayAlias)) { errs() << AliasString << ":\t"; - errs() << "[" << V1Size << "B] "; - WriteAsOperand(errs(), V1, true, M); + errs() << "[" << LocA.Size << "B] "; + WriteAsOperand(errs(), LocA.Ptr, true, M); errs() << ", "; - errs() << "[" << V2Size << "B] "; - WriteAsOperand(errs(), V2, true, M); + errs() << "[" << LocB.Size << "B] "; + WriteAsOperand(errs(), LocB.Ptr, true, M); errs() << "\n"; } @@ -146,8 +150,9 @@ AliasAnalysisCounter::alias(const Value *V1, unsigned V1Size, } AliasAnalysis::ModRefResult -AliasAnalysisCounter::getModRefInfo(CallSite CS, Value *P, unsigned Size) { - ModRefResult R = getAnalysis().getModRefInfo(CS, P, Size); +AliasAnalysisCounter::getModRefInfo(ImmutableCallSite CS, + const Location &Loc) { + ModRefResult R = getAnalysis().getModRefInfo(CS, Loc); const char *MRString; switch (R) { @@ -160,8 +165,8 @@ AliasAnalysisCounter::getModRefInfo(CallSite CS, Value *P, unsigned Size) { if (PrintAll || (PrintAllFailures && R == ModRef)) { errs() << MRString << ": Ptr: "; - errs() << "[" << Size << "B] "; - WriteAsOperand(errs(), P, true, M); + errs() << "[" << Loc.Size << "B] "; + WriteAsOperand(errs(), Loc.Ptr, true, M); errs() << "\t<->" << *CS.getInstruction() << '\n'; } return R;