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Adds a template for a function for objc2's gc's ivar layout 

bitmap.

llvm-svn: 66175
This commit is contained in:
Fariborz Jahanian 2009-03-05 19:17:31 +00:00
parent bbbbbf30bd
commit 01dff426c8
1 changed files with 16 additions and 4 deletions
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20
clang/lib/CodeGen/CGObjCMac.cpp
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@ -395,6 +395,11 @@ protected:
/// name. The return value has type char *.
llvm::Constant *GetClassName(IdentifierInfo *Ident);
/// GetIvarLayoutName - Returns a unique constant for the given
/// ivar layout bitmap.
llvm::Constant *GetIvarLayoutName(IdentifierInfo *Ident,
const ObjCCommonTypesHelper &ObjCTypes);
const RecordDecl *GetFirstIvarInRecord(const ObjCInterfaceDecl *OID,
RecordDecl::field_iterator &FIV,
RecordDecl::field_iterator &PIV);
@ -1467,7 +1472,7 @@ void CGObjCMac::GenerateClass(const ObjCImplementationDecl *ID) {
Values[ 8] = llvm::Constant::getNullValue(ObjCTypes.CachePtrTy);
Values[ 9] = Protocols;
// FIXME: Set ivar_layout
Values[10] = llvm::Constant::getNullValue(ObjCTypes.Int8PtrTy);
Values[10] = GetIvarLayoutName(0, ObjCTypes);
Values[11] = EmitClassExtension(ID);
llvm::Constant *Init = llvm::ConstantStruct::get(ObjCTypes.ClassTy,
Values);
@ -1598,7 +1603,7 @@ CGObjCMac::EmitClassExtension(const ObjCImplementationDecl *ID) {
std::vector<llvm::Constant*> Values(3);
Values[0] = llvm::ConstantInt::get(ObjCTypes.IntTy, Size);
// FIXME: Output weak_ivar_layout string.
Values[1] = llvm::Constant::getNullValue(ObjCTypes.Int8PtrTy);
Values[1] = GetIvarLayoutName(0, ObjCTypes);
Values[2] = EmitPropertyList("\01L_OBJC_$_PROP_LIST_" + ID->getNameAsString(),
ID, ID->getClassInterface(), ObjCTypes);
@ -2437,6 +2442,13 @@ llvm::Constant *CGObjCCommonMac::GetClassName(IdentifierInfo *Ident) {
return getConstantGEP(Entry, 0, 0);
}
/// GetIvarLayoutName - Returns a unique constant for the given
/// ivar layout bitmap.
llvm::Constant *CGObjCCommonMac::GetIvarLayoutName(IdentifierInfo *Ident,
const ObjCCommonTypesHelper &ObjCTypes) {
return llvm::Constant::getNullValue(ObjCTypes.Int8PtrTy);
}
llvm::Constant *CGObjCCommonMac::GetMethodVarName(Selector Sel) {
llvm::GlobalVariable *&Entry = MethodVarNames[Sel];
@ -3568,7 +3580,7 @@ llvm::GlobalVariable * CGObjCNonFragileABIMac::BuildClassRoTInitializer(
Values[ 2] = llvm::ConstantInt::get(ObjCTypes.IntTy, InstanceSize);
// FIXME. For 64bit targets add 0 here.
// FIXME. ivarLayout is currently null!
Values[ 3] = llvm::Constant::getNullValue(ObjCTypes.Int8PtrTy);
Values[ 3] = GetIvarLayoutName(0, ObjCTypes);
Values[ 4] = GetClassName(ID->getIdentifier());
// const struct _method_list_t * const baseMethods;
std::vector<llvm::Constant*> Methods;
@ -3618,7 +3630,7 @@ llvm::GlobalVariable * CGObjCNonFragileABIMac::BuildClassRoTInitializer(
else
Values[ 7] = EmitIvarList(ID);
// FIXME. weakIvarLayout is currently null.
Values[ 8] = llvm::Constant::getNullValue(ObjCTypes.Int8PtrTy);
Values[ 8] = GetIvarLayoutName(0, ObjCTypes);
if (flags & CLS_META)
Values[ 9] = llvm::Constant::getNullValue(ObjCTypes.PropertyListPtrTy);
else