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Cleanups: fold two loops into one
New features: -print-all-alias-modref-info option, print more info git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14906 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -32,6 +32,8 @@
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using namespace llvm;
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namespace {
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cl::opt<bool> PrintAll("print-all-alias-modref-info", cl::ReallyHidden);
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cl::opt<bool> PrintNoAlias("print-no-aliases", cl::ReallyHidden);
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cl::opt<bool> PrintMayAlias("print-may-aliases", cl::ReallyHidden);
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cl::opt<bool> PrintMustAlias("print-must-aliases", cl::ReallyHidden);
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@ -54,6 +56,11 @@ namespace {
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bool doInitialization(Module &M) {
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NoAlias = MayAlias = MustAlias = 0;
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NoModRef = Mod = Ref = ModRef = 0;
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if (PrintAll) {
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PrintNoAlias = PrintMayAlias = PrintMustAlias = true;
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PrintNoModRef = PrintMod = PrintRef = PrintModRef = true;
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}
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return false;
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}
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@ -90,16 +97,15 @@ bool AAEval::runOnFunction(Function &F) {
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for (User::op_iterator OI = (*I).op_begin(); OI != (*I).op_end(); ++OI)
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if (isa<PointerType>((*OI)->getType()))
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Pointers.insert(*OI);
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}
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for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) {
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CallSite CS = CallSite::get(&*I);
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if (CS.getInstruction()) CallSites.insert(CS);
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}
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if (PrintNoAlias || PrintMayAlias || PrintMustAlias ||
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PrintNoModRef || PrintMod || PrintRef || PrintModRef)
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std::cerr << "Function: " << F.getName() << "\n";
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std::cerr << "Function: " << F.getName() << ": " << Pointers.size()
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<< " pointers, " << CallSites.size() << " call sites\n";
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// iterate over the worklist, and run the full (n^2)/2 disambiguations
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for (std::set<Value *>::iterator I1 = Pointers.begin(), E = Pointers.end();
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