Move GlobalDecl to its own file. Also add DenseMapInfo traits.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87081 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index c2c38e8..44d2433 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -23,6 +23,7 @@
#include "CGCXX.h"
#include "CGVtable.h"
#include "CodeGenTypes.h"
+#include "GlobalDecl.h"
#include "Mangle.h"
#include "llvm/Module.h"
#include "llvm/ADT/DenseMap.h"
@@ -70,46 +71,7 @@
class CGDebugInfo;
class CGObjCRuntime;
-/// GlobalDecl - represents a global declaration. This can either be a
-/// CXXConstructorDecl and the constructor type (Base, Complete).
-/// a CXXDestructorDecl and the destructor type (Base, Complete) or
-/// a VarDecl, a FunctionDecl or a BlockDecl.
-class GlobalDecl {
- llvm::PointerIntPair<const Decl*, 2> Value;
-
- void Init(const Decl *D) {
- assert(!isa<CXXConstructorDecl>(D) && "Use other ctor with ctor decls!");
- assert(!isa<CXXDestructorDecl>(D) && "Use other ctor with dtor decls!");
-
- Value.setPointer(D);
- }
-public:
- GlobalDecl() {}
-
- GlobalDecl(const VarDecl *D) { Init(D);}
- GlobalDecl(const FunctionDecl *D) { Init(D); }
- GlobalDecl(const BlockDecl *D) { Init(D); }
- GlobalDecl(const ObjCMethodDecl *D) { Init(D); }
-
- GlobalDecl(const CXXConstructorDecl *D, CXXCtorType Type)
- : Value(D, Type) {}
- GlobalDecl(const CXXDestructorDecl *D, CXXDtorType Type)
- : Value(D, Type) {}
-
- const Decl *getDecl() const { return Value.getPointer(); }
-
- CXXCtorType getCtorType() const {
- assert(isa<CXXConstructorDecl>(getDecl()) && "Decl is not a ctor!");
- return static_cast<CXXCtorType>(Value.getInt());
- }
-
- CXXDtorType getDtorType() const {
- assert(isa<CXXDestructorDecl>(getDecl()) && "Decl is not a dtor!");
- return static_cast<CXXDtorType>(Value.getInt());
- }
-};
-
/// CodeGenModule - This class organizes the cross-function state that is used
/// while generating LLVM code.
class CodeGenModule : public BlockModule {
diff --git a/lib/CodeGen/GlobalDecl.h b/lib/CodeGen/GlobalDecl.h
new file mode 100644
index 0000000..b812020
--- /dev/null
+++ b/lib/CodeGen/GlobalDecl.h
@@ -0,0 +1,110 @@
+//===--- GlobalDecl.h - Global declaration holder ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// A GlobalDecl can hold either a regular variable/function or a C++ ctor/dtor
+// together with its type.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_CODEGEN_GLOBALDECL_H
+#define CLANG_CODEGEN_GLOBALDECL_H
+
+namespace clang {
+
+namespace CodeGen {
+
+/// GlobalDecl - represents a global declaration. This can either be a
+/// CXXConstructorDecl and the constructor type (Base, Complete).
+/// a CXXDestructorDecl and the destructor type (Base, Complete) or
+/// a VarDecl, a FunctionDecl or a BlockDecl.
+class GlobalDecl {
+ llvm::PointerIntPair<const Decl*, 2> Value;
+
+ void Init(const Decl *D) {
+ assert(!isa<CXXConstructorDecl>(D) && "Use other ctor with ctor decls!");
+ assert(!isa<CXXDestructorDecl>(D) && "Use other ctor with dtor decls!");
+
+ Value.setPointer(D);
+ }
+
+public:
+ GlobalDecl() {}
+
+ GlobalDecl(const VarDecl *D) { Init(D);}
+ GlobalDecl(const FunctionDecl *D) { Init(D); }
+ GlobalDecl(const BlockDecl *D) { Init(D); }
+ GlobalDecl(const ObjCMethodDecl *D) { Init(D); }
+
+ GlobalDecl(const CXXConstructorDecl *D, CXXCtorType Type)
+ : Value(D, Type) {}
+ GlobalDecl(const CXXDestructorDecl *D, CXXDtorType Type)
+ : Value(D, Type) {}
+
+ const Decl *getDecl() const { return Value.getPointer(); }
+
+ CXXCtorType getCtorType() const {
+ assert(isa<CXXConstructorDecl>(getDecl()) && "Decl is not a ctor!");
+ return static_cast<CXXCtorType>(Value.getInt());
+ }
+
+ CXXDtorType getDtorType() const {
+ assert(isa<CXXDestructorDecl>(getDecl()) && "Decl is not a dtor!");
+ return static_cast<CXXDtorType>(Value.getInt());
+ }
+
+ friend bool operator==(const GlobalDecl &LHS, const GlobalDecl &RHS) {
+ return LHS.Value == RHS.Value;
+ }
+
+ void *getAsOpaquePtr() const { return Value.getOpaqueValue(); }
+
+ static GlobalDecl getFromOpaquePtr(void *P) {
+ GlobalDecl GD;
+ GD.Value.setFromOpaqueValue(P);
+ return GD;
+ }
+};
+
+} // end namespace CodeGen
+} // end namespace clang
+
+namespace llvm {
+ template<class> struct DenseMapInfo;
+
+ template<> struct DenseMapInfo<clang::CodeGen::GlobalDecl> {
+ static inline clang::CodeGen::GlobalDecl getEmptyKey() {
+ return clang::CodeGen::GlobalDecl();
+ }
+
+ static inline clang::CodeGen::GlobalDecl getTombstoneKey() {
+ return clang::CodeGen::GlobalDecl::
+ getFromOpaquePtr(reinterpret_cast<void*>(-1));
+ }
+
+ static unsigned getHashValue(clang::CodeGen::GlobalDecl GD) {
+ return DenseMapInfo<void*>::getHashValue(GD.getAsOpaquePtr());
+ }
+
+ static bool isEqual(clang::CodeGen::GlobalDecl LHS,
+ clang::CodeGen::GlobalDecl RHS) {
+ return LHS == RHS;
+ }
+
+ static bool isPod() {
+ // GlobalDecl isn't *technically* a POD type. However, we can get
+ // away with calling it a POD type since its copy constructor,
+ // copy assignment operator, and destructor are all trivial.
+ return true;
+ }
+
+ };
+
+}
+
+#endif