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Fix bug: CBackend/2003-10-23-UnusedType.ll and hopefully 252.eon 

llvm-svn: 9441
This commit is contained in:
Chris Lattner 2003-10-23 19:30:30 +00:00
parent 70a3b9024e
commit fb8e19b7ca
1 changed files with 11 additions and 0 deletions
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11
llvm/lib/Analysis/IPA/FindUsedTypes.cpp
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@ -41,12 +41,22 @@ void FindUsedTypes::IncorporateType(const Type *Ty) {
IncorporateType(*I); 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 // run - This incorporates all types used by the specified module
// //
bool FindUsedTypes::run(Module &m) { bool FindUsedTypes::run(Module &m) {
UsedTypes.clear(); // reset if run multiple times... UsedTypes.clear(); // reset if run multiple times...
IncorporateSymbolTable(m.getSymbolTable());
// Loop over global variables, incorporating their types // Loop over global variables, incorporating their types
for (Module::const_giterator I = m.gbegin(), E = m.gend(); I != E; ++I) for (Module::const_giterator I = m.gbegin(), E = m.gend(); I != E; ++I)
IncorporateType(I->getType()); IncorporateType(I->getType());
@ -54,6 +64,7 @@ bool FindUsedTypes::run(Module &m) {
for (Module::iterator MI = m.begin(), ME = m.end(); MI != ME; ++MI) { for (Module::iterator MI = m.begin(), ME = m.end(); MI != ME; ++MI) {
IncorporateType(MI->getType()); IncorporateType(MI->getType());
const Function &F = *MI; const Function &F = *MI;
IncorporateSymbolTable(F.getSymbolTable());
// Loop over all of the instructions in the function, adding their return // Loop over all of the instructions in the function, adding their return
// type as well as the types of their operands. // type as well as the types of their operands.