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Change PointersToResolve to list the pointee type to resolve, not the 

pointer type.
 - Drops use of PointerLikeType.
 - No intended functionality change.

llvm-svn: 65566
This commit is contained in:
Daniel Dunbar 2009-02-26 19:48:14 +00:00
parent f04958a645
commit 201351933a
2 changed files with 12 additions and 6 deletions
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16
clang/lib/CodeGen/CodeGenTypes.cpp
View File

@ -85,13 +85,13 @@ const llvm::Type *CodeGenTypes::ConvertType(QualType T) {
// circular types. Loop through all these defered pointees, if any, and
// resolve them now.
while (!PointersToResolve.empty()) {
std::pair<const PointerLikeType *, llvm::OpaqueType*> P =
std::pair<QualType, llvm::OpaqueType*> P =
PointersToResolve.back();
PointersToResolve.pop_back();
// We can handle bare pointers here because we know that the only pointers
// to the Opaque type are P.second and from other types. Refining the
// opqaue type away will invalidate P.second, but we don't mind :).
const llvm::Type *NT = ConvertTypeRecursive(P.first->getPointeeType());
const llvm::Type *NT = ConvertTypeRecursive(P.first);
P.second->refineAbstractTypeTo(NT);
}
@ -223,12 +223,18 @@ const llvm::Type *CodeGenTypes::ConvertNewType(QualType T) {
ConvertTypeRecursive(cast<ComplexType>(Ty).getElementType());
return llvm::StructType::get(EltTy, EltTy, NULL);
}
case Type::Reference:
case Type::Reference: {
const ReferenceType &RTy = cast<ReferenceType>(Ty);
QualType ETy = RTy.getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get();
PointersToResolve.push_back(std::make_pair(ETy, PointeeType));
return llvm::PointerType::get(PointeeType, ETy.getAddressSpace());
}
case Type::Pointer: {
const PointerLikeType &PTy = cast<PointerLikeType>(Ty);
const PointerType &PTy = cast<PointerType>(Ty);
QualType ETy = PTy.getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get();
PointersToResolve.push_back(std::make_pair(&PTy, PointeeType));
PointersToResolve.push_back(std::make_pair(ETy, PointeeType));
return llvm::PointerType::get(PointeeType, ETy.getAddressSpace());
}

2
clang/lib/CodeGen/CodeGenTypes.h
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@ -85,7 +85,7 @@ class CodeGenTypes {
const llvm::TargetData& TheTargetData;
mutable const ABIInfo* TheABIInfo;
llvm::SmallVector<std::pair<const PointerLikeType *,
llvm::SmallVector<std::pair<QualType,
llvm::OpaqueType *>, 8> PointersToResolve;
llvm::DenseMap<const Type*, llvm::PATypeHolder> TagDeclTypes;