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Move GlobalDecl to its own file. Also add DenseMapInfo traits.

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llvm-svn: 87081
This commit is contained in:
Anders Carlsson
2009-11-13 04:25:07 +00:00
parent 546a676ae5
commit 87f84c1e72
3 changed files with 113 additions and 39 deletions
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2
clang/clang.xcodeproj/project.pbxproj
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@@ -365,6 +365,7 @@
1A2A54B30FD1DD1C00F4CE45 /* StmtXML.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = StmtXML.cpp; path = lib/Frontend/StmtXML.cpp; sourceTree = "<group>"; };
1A2A54B40FD1DD1C00F4CE45 /* Warnings.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Warnings.cpp; path = lib/Frontend/Warnings.cpp; sourceTree = "<group>"; };
1A30A9E80B93A4C800201A91 /* ExprCXX.h */ = {isa = PBXFileReference; fileEncoding = 30; indentWidth = 2; lastKnownFileType = sourcecode.c.h; name = ExprCXX.h; path = clang/AST/ExprCXX.h; sourceTree = "<group>"; tabWidth = 2; };
1A31B27210ACE6DA009E0C8B /* GlobalDecl.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 2; lastKnownFileType = sourcecode.c.h; name = GlobalDecl.h; path = lib/CodeGen/GlobalDecl.h; sourceTree = "<group>"; tabWidth = 2; };
1A32C17E0E1C87AD00A6B483 /* ExprConstant.cpp */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 2; lastKnownFileType = sourcecode.cpp.cpp; name = ExprConstant.cpp; path = lib/AST/ExprConstant.cpp; sourceTree = "<group>"; tabWidth = 2; };
1A376A2C0D4AED9B002A1C52 /* CGExprConstant.cpp */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 2; lastKnownFileType = sourcecode.cpp.cpp; name = CGExprConstant.cpp; path = lib/CodeGen/CGExprConstant.cpp; sourceTree = "<group>"; tabWidth = 2; };
1A471AB40F437BC500753CE8 /* CGBlocks.cpp */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 2; lastKnownFileType = sourcecode.cpp.cpp; name = CGBlocks.cpp; path = lib/CodeGen/CGBlocks.cpp; sourceTree = "<group>"; tabWidth = 2; };
@@ -1295,6 +1296,7 @@
DE928B7E0C0A615600231DA4 /* CodeGenModule.cpp */,
DEEBC3BB0C2363BC00A9FE82 /* CodeGenTypes.cpp */,
DEEBC3B90C2363B800A9FE82 /* CodeGenTypes.h */,
1A31B27210ACE6DA009E0C8B /* GlobalDecl.h */,
1A2193CC0F45EEB700C0713D /* Mangle.cpp */,
1A2193CD0F45EEB700C0713D /* Mangle.h */,
DE928B120C05659200231DA4 /* ModuleBuilder.cpp */,

40
clang/lib/CodeGen/CodeGenModule.h
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@@ -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 @@ namespace CodeGen {
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 {

110
clang/lib/CodeGen/GlobalDecl.h Normal file
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@@ -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