Commit faa1d1f0 authored by John Criswell's avatar John Criswell
Browse files

Merged revision 1.21. 

llvm-svn: 9462
parent 0d6d28b3

llvm/lib/Analysis/IPA/FindUsedTypes.cpp

+11 −0
Original line number Diff line number Diff line
@@ -41,12 +41,22 @@ void FindUsedTypes::IncorporateType(const Type *Ty) { 
    IncorporateType(*I);

}



void FindUsedTypes::IncorporateSymbolTable(const SymbolTable &ST) {

  SymbolTable::const_iterator TI = ST.find(Type::TypeTy);

  if (TI == ST.end()) return;  // No named types



  for (SymbolTable::type_const_iterator I = TI->second.begin(),

         E = TI->second.end(); I != E; ++I)

    IncorporateType(cast<Type>(I->second));

}



// run - This incorporates all types used by the specified module

//

bool FindUsedTypes::run(Module &m) {

  UsedTypes.clear();  // reset if run multiple times...



  IncorporateSymbolTable(m.getSymbolTable());



  // Loop over global variables, incorporating their types

  for (Module::const_giterator I = m.gbegin(), E = m.gend(); I != E; ++I)

    IncorporateType(I->getType());
@@ -54,6 +64,7 @@ bool FindUsedTypes::run(Module &m) { 
  for (Module::iterator MI = m.begin(), ME = m.end(); MI != ME; ++MI) {

    IncorporateType(MI->getType());

    const Function &F = *MI;

    IncorporateSymbolTable(F.getSymbolTable());

  

    // Loop over all of the instructions in the function, adding their return

    // type as well as the types of their operands.