[opaque pointer types] Push the passing of value types up from Function/GlobalVariabl...

[oota-llvm.git] / include / llvm / IR / GlobalObject.h

diff --git a/include/llvm/IR/GlobalObject.h b/include/llvm/IR/GlobalObject.h
index 74cc18eeb1e7696bb6f4e770d95df7054a20493b..4b671da193d40c1cb06249528661ecb50d047c43 100644 (file)
--- a/include/llvm/IR/GlobalObject.h
+++ b/include/llvm/IR/GlobalObject.h
@@ -1,4 +1,4 @@
-//===-- llvm/GlobalObject.h - Class to represent a global object *- C++ -*-===//
+//===-- llvm/GlobalObject.h - Class to represent global objects -*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -20,30 +20,53 @@
 #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(PointerType *Ty, ValueTy VTy, Use *Ops, unsigned NumOps,
+               LinkageTypes Linkage, const Twine &Name) = delete;
   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(PointerType::get(Ty, AddressSpace), VTy, Ops, NumOps,
+                    Linkage, Name),
+        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);
 
+  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: