DebugTypeInfo DebugTypeInfo::getGlobal(SILGlobalVariable *GV,
llvm::Type *StorageTy, Size size,
Alignment align) {
// Prefer the original, potentially sugared version of the type if
// the type hasn't been mucked with by an optimization pass.
auto LowTy = GV->getLoweredType().getSwiftRValueType();
auto *Type = LowTy.getPointer();
if (auto *Decl = GV->getDecl()) {
auto DeclType =
(Decl->hasType() ? Decl->getType()
: Decl->getDeclContext()->mapTypeIntoContext(
Decl->getInterfaceType()));
if (DeclType->isEqual(LowTy))
Type = DeclType.getPointer();
}
DebugTypeInfo DbgTy = {nullptr, Type, StorageTy, size, align};
assert(StorageTy && "StorageType is a nullptr");
assert(!DbgTy.isArchetype() &&
"type of a global var cannot contain an archetype");
assert(align.getValue() != 0);
return DbgTy;
}
bool DebugTypeInfo::operator==(DebugTypeInfo T) const {
return typesEqual(getType(), T.getType()) && size == T.size &&
align == T.align;
}
DebugTypeInfo DebugTypeInfo::getMetadata(swift::Type Ty, llvm::Type *StorageTy,
Size size, Alignment align) {
DebugTypeInfo DbgTy = {nullptr, Ty.getPointer(), StorageTy, size, align};
assert(!DbgTy.isArchetype() && "type metadata cannot contain an archetype");
return DbgTy;
}
bool DebugTypeInfo::operator==(DebugTypeInfo T) const {
return (getType() == T.getType() &&
size == T.size &&
align == T.align);
}