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Fix bug: CBackend/2003-10-23-UnusedType.ll and hopefully 252.eon
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9441 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -41,12 +41,22 @@ void FindUsedTypes::IncorporateType(const Type *Ty) {
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IncorporateType(*I);
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}
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void FindUsedTypes::IncorporateSymbolTable(const SymbolTable &ST) {
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SymbolTable::const_iterator TI = ST.find(Type::TypeTy);
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if (TI == ST.end()) return; // No named types
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for (SymbolTable::type_const_iterator I = TI->second.begin(),
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E = TI->second.end(); I != E; ++I)
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IncorporateType(cast<Type>(I->second));
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}
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// run - This incorporates all types used by the specified module
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//
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bool FindUsedTypes::run(Module &m) {
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UsedTypes.clear(); // reset if run multiple times...
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IncorporateSymbolTable(m.getSymbolTable());
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// Loop over global variables, incorporating their types
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for (Module::const_giterator I = m.gbegin(), E = m.gend(); I != E; ++I)
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IncorporateType(I->getType());
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@ -54,6 +64,7 @@ bool FindUsedTypes::run(Module &m) {
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for (Module::iterator MI = m.begin(), ME = m.end(); MI != ME; ++MI) {
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IncorporateType(MI->getType());
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const Function &F = *MI;
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IncorporateSymbolTable(F.getSymbolTable());
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// Loop over all of the instructions in the function, adding their return
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// type as well as the types of their operands.
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