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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64475 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mike Stump
Родитель
9653db7bd0
Коммит
ecc90e9512
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@ -7,7 +7,7 @@
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//
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//===----------------------------------------------------------------------===//
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//
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// This is the internal per-translation-unit state used for llvm translation.
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// This is the internal per-translation-unit state used for llvm translation.
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//
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//===----------------------------------------------------------------------===//
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@ -51,15 +51,15 @@ namespace clang {
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struct LangOptions;
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class Diagnostic;
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class AnnotateAttr;
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namespace CodeGen {
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class CodeGenFunction;
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class CGDebugInfo;
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class CGObjCRuntime;
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/// CodeGenModule - This class organizes the cross-function state that
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/// is used while generating LLVM code.
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/// CodeGenModule - This class organizes the cross-function state that is used
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/// while generating LLVM code.
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class CodeGenModule {
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typedef std::vector< std::pair<llvm::Constant*, int> > CtorList;
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@ -76,57 +76,53 @@ class CodeGenModule {
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llvm::Function *MemMoveFn;
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llvm::Function *MemSetFn;
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/// RuntimeFunctions - List of runtime functions whose names must be
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/// protected from introducing conflicts. These functions should be
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/// created unnamed, we will name them and patch up conflicts when
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/// we release the module.
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/// RuntimeFunctions - List of runtime functions whose names must be protected
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/// from introducing conflicts. These functions should be created unnamed, we
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/// will name them and patch up conflicts when we release the module.
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std::vector< std::pair<llvm::Function*, std::string> > RuntimeFunctions;
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/// GlobalDeclMap - Mapping of decl names global variables we have
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/// already emitted. Note that the entries in this map are the
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/// actual globals and therefore may not be of the same type as the
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/// decl, they should be bitcasted on retrieval. Also note that the
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/// globals are keyed on their source name, not the global name
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/// (which may change with attributes such as asm-labels).
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/// This key to this map should be generated using getMangledName().
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/// GlobalDeclMap - Mapping of decl names global variables we have already
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/// emitted. Note that the entries in this map are the actual globals and
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/// therefore may not be of the same type as the decl, they should be
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/// bitcasted on retrieval. Also note that the globals are keyed on their
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/// source name, not the global name (which may change with attributes such as
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/// asm-labels). This key to this map should be generated using
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/// getMangledName().
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llvm::DenseMap<IdentifierInfo*, llvm::GlobalValue*> GlobalDeclMap;
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/// Aliases - List of aliases in module. These cannot be emitted
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/// until all the code has been seen, as they reference things by
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/// name instead of directly and may reference forward.
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/// Aliases - List of aliases in module. These cannot be emitted until all the
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/// code has been seen, as they reference things by name instead of directly
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/// and may reference forward.
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std::vector<const FunctionDecl*> Aliases;
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/// StaticDecls - List of static global for which code generation is
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/// delayed. When the translation unit has been fully processed we
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/// will lazily emit definitions for only the decls that were
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/// actually used. This should contain only Function and Var decls,
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/// and only those which actually define something.
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/// delayed. When the translation unit has been fully processed we will lazily
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/// emit definitions for only the decls that were actually used. This should
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/// contain only Function and Var decls, and only those which actually define
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/// something.
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std::list<const ValueDecl*> StaticDecls;
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/// GlobalCtors - Store the list of global constructors and their
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/// respective priorities to be emitted when the translation unit is
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/// complete.
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/// GlobalCtors - Store the list of global constructors and their respective
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/// priorities to be emitted when the translation unit is complete.
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CtorList GlobalCtors;
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/// GlobalDtors - Store the list of global destructors and their
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/// respective priorities to be emitted when the translation unit is
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/// complete.
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/// GlobalDtors - Store the list of global destructors and their respective
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/// priorities to be emitted when the translation unit is complete.
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CtorList GlobalDtors;
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std::vector<llvm::Constant*> Annotations;
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llvm::StringMap<llvm::Constant*> CFConstantStringMap;
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llvm::StringMap<llvm::Constant*> ConstantStringMap;
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/// CFConstantStringClassRef - Cached reference to the class for
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/// constant strings. This value has type int * but is actually an
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/// Obj-C class pointer.
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/// CFConstantStringClassRef - Cached reference to the class for constant
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/// strings. This value has type int * but is actually an Obj-C class pointer.
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llvm::Constant *CFConstantStringClassRef;
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/// NSConcreteGlobalBlock - Cached reference to the class pointer for
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/// global blocks.
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/// NSConcreteGlobalBlock - Cached reference to the class pointer for global
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/// blocks.
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llvm::Constant *NSConcreteGlobalBlock;
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const llvm::Type *BlockDescriptorType;
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const llvm::Type * GenericBlockLiteralType;
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struct {
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@ -135,12 +131,12 @@ class CodeGenModule {
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std::vector<llvm::Function *> BuiltinFunctions;
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public:
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CodeGenModule(ASTContext &C, const LangOptions &Features, llvm::Module &M,
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CodeGenModule(ASTContext &C, const LangOptions &Features, llvm::Module &M,
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const llvm::TargetData &TD, Diagnostic &Diags,
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bool GenerateDebugInfo);
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~CodeGenModule();
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/// Release - Finalize LLVM code generation.
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void Release();
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@ -152,11 +148,11 @@ public:
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/// getObjCRuntime() - Return a reference to the configured
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/// Objective-C runtime.
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CGObjCRuntime &getObjCRuntime() {
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CGObjCRuntime &getObjCRuntime() {
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assert(Runtime && "No Objective-C runtime has been configured.");
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return *Runtime;
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return *Runtime;
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}
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/// hasObjCRuntime() - Return true iff an Objective-C runtime has
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/// been configured.
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bool hasObjCRuntime() { return !!Runtime; }
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@ -169,34 +165,32 @@ public:
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Diagnostic &getDiags() const { return Diags; }
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const llvm::TargetData &getTargetData() const { return TheTargetData; }
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/// GetAddrOfGlobalVar - Return the llvm::Constant for the address
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/// of the given global variable.
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/// GetAddrOfGlobalVar - Return the llvm::Constant for the address of the
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/// given global variable.
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llvm::Constant *GetAddrOfGlobalVar(const VarDecl *D);
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/// GetAddrOfFunction - Return the llvm::Constant for the address
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/// of the given function.
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llvm::Constant *GetAddrOfFunction(const FunctionDecl *D);
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/// GetAddrOfFunction - Return the llvm::Constant for the address of the given
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/// function.
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llvm::Constant *GetAddrOfFunction(const FunctionDecl *D);
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/// GetStringForStringLiteral - Return the appropriate bytes for a
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/// string literal, properly padded to match the literal type. If
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/// only the address of a constant is needed consider using
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/// GetAddrOfConstantStringLiteral.
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/// GetStringForStringLiteral - Return the appropriate bytes for a string
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/// literal, properly padded to match the literal type. If only the address of
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/// a constant is needed consider using GetAddrOfConstantStringLiteral.
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std::string GetStringForStringLiteral(const StringLiteral *E);
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/// GetAddrOfConstantCFString - Return a pointer to a
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/// constant CFString object for the given string.
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/// GetAddrOfConstantCFString - Return a pointer to a constant CFString object
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/// for the given string.
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llvm::Constant *GetAddrOfConstantCFString(const std::string& str);
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/// GetAddrOfConstantStringFromLiteral - Return a pointer to a
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/// constant array for the given string literal.
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/// GetAddrOfConstantStringFromLiteral - Return a pointer to a constant array
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/// for the given string literal.
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llvm::Constant *GetAddrOfConstantStringFromLiteral(const StringLiteral *S);
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/// GetAddrOfConstantString - Returns a pointer to a character array
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/// containing the literal. This contents are exactly that of the
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/// given string, i.e. it will not be null terminated automatically;
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/// see GetAddrOfConstantCString. Note that whether the result is
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/// actually a pointer to an LLVM constant depends on
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/// Feature.WriteableStrings.
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/// containing the literal. This contents are exactly that of the given
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/// string, i.e. it will not be null terminated automatically; see
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/// GetAddrOfConstantCString. Note that whether the result is actually a
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/// pointer to an LLVM constant depends on Feature.WriteableStrings.
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///
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/// The result has pointer to array type.
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///
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@ -205,17 +199,17 @@ public:
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llvm::Constant *GetAddrOfConstantString(const std::string& str,
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const char *GlobalName=0);
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/// GetAddrOfConstantCString - Returns a pointer to a character
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/// array containing the literal and a terminating '\0'
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/// character. The result has pointer to array type.
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/// GetAddrOfConstantCString - Returns a pointer to a character array
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/// containing the literal and a terminating '\0' character. The result has
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/// pointer to array type.
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///
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/// \param GlobalName If provided, the name to use for the global
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/// (if one is created).
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/// \param GlobalName If provided, the name to use for the global (if one is
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/// created).
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llvm::Constant *GetAddrOfConstantCString(const std::string &str,
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const char *GlobalName=0);
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llvm::Constant *GetAddrOfGlobalBlock(const BlockExpr *BE);
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/// getBuiltinLibFunction - Given a builtin id for a function like
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/// "__builtin_fabsf", return a Function* for "fabsf".
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llvm::Function *getBuiltinLibFunction(unsigned BuiltinID);
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@ -223,7 +217,7 @@ public:
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llvm::Function *getMemCpyFn();
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llvm::Function *getMemMoveFn();
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llvm::Function *getMemSetFn();
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llvm::Function *getIntrinsic(unsigned IID, const llvm::Type **Tys = 0,
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llvm::Function *getIntrinsic(unsigned IID, const llvm::Type **Tys = 0,
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unsigned NumTys = 0);
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/// EmitTopLevelDecl - Emit code for a single top level declaration.
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@ -231,27 +225,27 @@ public:
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void AddAnnotation(llvm::Constant *C) { Annotations.push_back(C); }
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/// CreateRuntimeFunction - Create a new runtime function whose name
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/// must be protected from collisions.
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llvm::Function *CreateRuntimeFunction(const llvm::FunctionType *Ty,
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/// CreateRuntimeFunction - Create a new runtime function whose name must be
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/// protected from collisions.
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llvm::Function *CreateRuntimeFunction(const llvm::FunctionType *Ty,
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const std::string &Name);
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void UpdateCompletedType(const TagDecl *D);
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llvm::Constant *EmitConstantExpr(const Expr *E, CodeGenFunction *CGF = 0);
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llvm::Constant *EmitAnnotateAttr(llvm::GlobalValue *GV,
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const AnnotateAttr *AA, unsigned LineNo);
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/// ErrorUnsupported - Print out an error that codegen doesn't support the
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/// specified stmt yet.
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/// \param OmitOnError - If true, then this error should only be
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/// emitted if no other errors have been reported.
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void ErrorUnsupported(const Stmt *S, const char *Type,
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/// \param OmitOnError - If true, then this error should only be emitted if no
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/// other errors have been reported.
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void ErrorUnsupported(const Stmt *S, const char *Type,
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bool OmitOnError=false);
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/// ErrorUnsupported - Print out an error that codegen doesn't support the
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/// specified decl yet.
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/// \param OmitOnError - If true, then this error should only be
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/// emitted if no other errors have been reported.
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/// \param OmitOnError - If true, then this error should only be emitted if no
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/// other errors have been reported.
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void ErrorUnsupported(const Decl *D, const char *Type,
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bool OmitOnError=false);
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@ -259,11 +253,11 @@ public:
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llvm::Function *F);
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void SetFunctionAttributes(const Decl *D,
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const CGFunctionInfo &Info,
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const CGFunctionInfo &Info,
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llvm::Function *F);
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/// ReturnTypeUsesSret - Return true iff the given type uses 'sret'
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/// when used as a return type.
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/// ReturnTypeUsesSret - Return true iff the given type uses 'sret' when used
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/// as a return type.
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bool ReturnTypeUsesSret(const CGFunctionInfo &FI);
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void ConstructAttributeList(const CGFunctionInfo &Info,
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@ -274,8 +268,8 @@ public:
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private:
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/// SetFunctionAttributesForDefinition - Set function attributes
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/// specific to a function definition.
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/// SetFunctionAttributesForDefinition - Set function attributes specific to a
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/// function definition.
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/// \param D - The ObjCMethodDecl or FunctionDecl defining \arg F.
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void SetFunctionAttributesForDefinition(const Decl *D,
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llvm::Function *F);
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@ -283,8 +277,8 @@ private:
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void SetFunctionAttributes(const FunctionDecl *FD,
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llvm::Function *F);
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/// EmitGlobal - Emit code for a singal global function or var
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/// decl. Forward declarations are emitted lazily.
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/// EmitGlobal - Emit code for a singal global function or var decl. Forward
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/// declarations are emitted lazily.
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void EmitGlobal(const ValueDecl *D);
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void EmitGlobalDefinition(const ValueDecl *D);
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@ -292,15 +286,14 @@ private:
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void EmitGlobalFunctionDefinition(const FunctionDecl *D);
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void EmitGlobalVarDefinition(const VarDecl *D);
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void EmitObjCPropertyImplementations(const ObjCImplementationDecl *D);
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// FIXME: Hardcoding priority here is gross.
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void AddGlobalCtor(llvm::Function * Ctor, int Priority=65535);
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void AddGlobalDtor(llvm::Function * Dtor, int Priority=65535);
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/// EmitCtorList - Generates a global array of functions and
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/// priorities using the given list and name. This array will have
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/// appending linkage and is suitable for use as a LLVM constructor
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/// or destructor array.
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/// EmitCtorList - Generates a global array of functions and priorities using
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/// the given list and name. This array will have appending linkage and is
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/// suitable for use as a LLVM constructor or destructor array.
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void EmitCtorList(const CtorList &Fns, const char *GlobalName);
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void EmitAliases(void);
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