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Fix PR918 by only using typedefs to name struct types. This makes the later

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type ordering stuff work better.  This fixes PR918 and
CodeGen/CBackend/2007-01-15-NamedArrayType.ll

Patch by Gordon Henriksen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-01-16 07:22:23 +00:00
parent efe0213626
commit 19e8b0c1f5
1 changed files with 15 additions and 8 deletions
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23
lib/Target/CBackend/CBackend.cpp
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@@ -269,13 +269,19 @@ bool CBackendNameAllUsedStructsAndMergeFunctions::runOnModule(Module &M) {
for (TypeSymbolTable::iterator TI = TST.begin(), TE = TST.end();
TI != TE; ) {
TypeSymbolTable::iterator I = TI++;
// If this is not used, remove it from the symbol table.
std::set<const Type *>::iterator UTI = UT.find(I->second);
if (UTI == UT.end())
// If this isn't a struct type, remove it from our set of types to name.
// This simplifies emission later.
if (!isa<StructType>(I->second)) {
TST.remove(I);
else
UT.erase(UTI); // Only keep one name for this type.
} else {
// If this is not used, remove it from the symbol table.
std::set<const Type *>::iterator UTI = UT.find(I->second);
if (UTI == UT.end())
TST.remove(I);
else
UT.erase(UTI); // Only keep one name for this type.
}
}
// UT now contains types that are not named. Loop over it, naming
@@ -1694,10 +1700,11 @@ void CWriter::printModuleTypes(const TypeSymbolTable &TST) {
Out << '\n';
// Now we can print out typedefs...
// Now we can print out typedefs. Above, we guaranteed that this can only be
// for struct types.
Out << "/* Typedefs */\n";
for (I = TST.begin(); I != End; ++I) {
const Type *Ty = cast<Type>(I->second);
const StructType *Ty = cast<StructType>(I->second);
std::string Name = "l_" + Mang->makeNameProper(I->first);
Out << "typedef ";
printType(Out, Ty, false, Name);