-//===-- llvm/GlobalObject.h - Class to represent a global object *- C++ -*-===//
+//===-- llvm/GlobalObject.h - Class to represent global objects -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
#include "llvm/IR/GlobalValue.h"
namespace llvm {
-
+class Comdat;
class Module;
class GlobalObject : public GlobalValue {
- GlobalObject(const GlobalObject &) LLVM_DELETED_FUNCTION;
+ GlobalObject(const GlobalObject &) = delete;
protected:
GlobalObject(Type *Ty, ValueTy VTy, Use *Ops, unsigned NumOps,
- LinkageTypes Linkage, const Twine &Name)
- : GlobalValue(Ty, VTy, Ops, NumOps, Linkage, Name) {
+ LinkageTypes Linkage, const Twine &Name,
+ unsigned AddressSpace = 0)
+ : GlobalValue(Ty, VTy, Ops, NumOps, Linkage, Name, AddressSpace),
+ ObjComdat(nullptr) {
setGlobalValueSubClassData(0);
}
std::string Section; // Section to emit this into, empty means default
+ Comdat *ObjComdat;
+ static const unsigned AlignmentBits = 5;
+ static const unsigned GlobalObjectSubClassDataBits =
+ GlobalValueSubClassDataBits - AlignmentBits;
+
+private:
+ static const unsigned AlignmentMask = (1 << AlignmentBits) - 1;
+
public:
unsigned getAlignment() const {
- return (1u << getGlobalValueSubClassData()) >> 1;
+ unsigned Data = getGlobalValueSubClassData();
+ unsigned AlignmentData = Data & AlignmentMask;
+ return (1u << AlignmentData) >> 1;
}
void setAlignment(unsigned Align);
- bool hasSection() const { return !getSection().empty(); }
- const std::string &getSection() const { return Section; }
+ unsigned getGlobalObjectSubClassData() const;
+ void setGlobalObjectSubClassData(unsigned Val);
+
+ bool hasSection() const { return !StringRef(getSection()).empty(); }
+ const char *getSection() const { return Section.c_str(); }
void setSection(StringRef S);
+ bool hasComdat() const { return getComdat() != nullptr; }
+ const Comdat *getComdat() const { return ObjComdat; }
+ Comdat *getComdat() { return ObjComdat; }
+ void setComdat(Comdat *C) { ObjComdat = C; }
+
void copyAttributesFrom(const GlobalValue *Src) override;
// Methods for support type inquiry through isa, cast, and dyn_cast: