diff options
Diffstat (limited to 'clang/lib/CodeGen/CGObjCGNU.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGObjCGNU.cpp | 127 |
1 files changed, 57 insertions, 70 deletions
diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp index 821629c50d4..ff801aafb45 100644 --- a/clang/lib/CodeGen/CGObjCGNU.cpp +++ b/clang/lib/CodeGen/CGObjCGNU.cpp @@ -34,7 +34,6 @@ #include "llvm/IR/LLVMContext.h" #include "llvm/IR/Module.h" #include "llvm/Support/Compiler.h" -#include <cstdarg> using namespace clang; using namespace CodeGen; @@ -58,17 +57,13 @@ public: /// Initialises the lazy function with the name, return type, and the types /// of the arguments. - LLVM_END_WITH_NULL - void init(CodeGenModule *Mod, const char *name, llvm::Type *RetTy, ...) { + template <typename... Tys> + void init(CodeGenModule *Mod, const char *name, llvm::Type *RetTy, + Tys *... Types) { CGM = Mod; FunctionName = name; Function = nullptr; - std::vector<llvm::Type *> ArgTys; - va_list Args; - va_start(Args, RetTy); - while (llvm::Type *ArgTy = va_arg(Args, llvm::Type *)) - ArgTys.push_back(ArgTy); - va_end(Args); + std::vector<llvm::Type *> ArgTys{{Types...}}; FTy = llvm::FunctionType::get(RetTy, ArgTys, false); } @@ -603,11 +598,10 @@ protected: public: CGObjCGCC(CodeGenModule &Mod) : CGObjCGNU(Mod, 8, 2) { // IMP objc_msg_lookup(id, SEL); - MsgLookupFn.init(&CGM, "objc_msg_lookup", IMPTy, IdTy, SelectorTy, - nullptr); + MsgLookupFn.init(&CGM, "objc_msg_lookup", IMPTy, IdTy, SelectorTy); // IMP objc_msg_lookup_super(struct objc_super*, SEL); MsgLookupSuperFn.init(&CGM, "objc_msg_lookup_super", IMPTy, - PtrToObjCSuperTy, SelectorTy, nullptr); + PtrToObjCSuperTy, SelectorTy); } }; @@ -702,52 +696,51 @@ class CGObjCGNUstep : public CGObjCGNU { CGObjCGNUstep(CodeGenModule &Mod) : CGObjCGNU(Mod, 9, 3) { const ObjCRuntime &R = CGM.getLangOpts().ObjCRuntime; - llvm::StructType *SlotStructTy = llvm::StructType::get(PtrTy, - PtrTy, PtrTy, IntTy, IMPTy, nullptr); + llvm::StructType *SlotStructTy = + llvm::StructType::get(PtrTy, PtrTy, PtrTy, IntTy, IMPTy); SlotTy = llvm::PointerType::getUnqual(SlotStructTy); // Slot_t objc_msg_lookup_sender(id *receiver, SEL selector, id sender); SlotLookupFn.init(&CGM, "objc_msg_lookup_sender", SlotTy, PtrToIdTy, - SelectorTy, IdTy, nullptr); + SelectorTy, IdTy); // Slot_t objc_msg_lookup_super(struct objc_super*, SEL); SlotLookupSuperFn.init(&CGM, "objc_slot_lookup_super", SlotTy, - PtrToObjCSuperTy, SelectorTy, nullptr); + PtrToObjCSuperTy, SelectorTy); // If we're in ObjC++ mode, then we want to make if (CGM.getLangOpts().CPlusPlus) { llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); // void *__cxa_begin_catch(void *e) - EnterCatchFn.init(&CGM, "__cxa_begin_catch", PtrTy, PtrTy, nullptr); + EnterCatchFn.init(&CGM, "__cxa_begin_catch", PtrTy, PtrTy); // void __cxa_end_catch(void) - ExitCatchFn.init(&CGM, "__cxa_end_catch", VoidTy, nullptr); + ExitCatchFn.init(&CGM, "__cxa_end_catch", VoidTy); // void _Unwind_Resume_or_Rethrow(void*) ExceptionReThrowFn.init(&CGM, "_Unwind_Resume_or_Rethrow", VoidTy, - PtrTy, nullptr); + PtrTy); } else if (R.getVersion() >= VersionTuple(1, 7)) { llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); // id objc_begin_catch(void *e) - EnterCatchFn.init(&CGM, "objc_begin_catch", IdTy, PtrTy, nullptr); + EnterCatchFn.init(&CGM, "objc_begin_catch", IdTy, PtrTy); // void objc_end_catch(void) - ExitCatchFn.init(&CGM, "objc_end_catch", VoidTy, nullptr); + ExitCatchFn.init(&CGM, "objc_end_catch", VoidTy); // void _Unwind_Resume_or_Rethrow(void*) - ExceptionReThrowFn.init(&CGM, "objc_exception_rethrow", VoidTy, - PtrTy, nullptr); + ExceptionReThrowFn.init(&CGM, "objc_exception_rethrow", VoidTy, PtrTy); } llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); SetPropertyAtomic.init(&CGM, "objc_setProperty_atomic", VoidTy, IdTy, - SelectorTy, IdTy, PtrDiffTy, nullptr); + SelectorTy, IdTy, PtrDiffTy); SetPropertyAtomicCopy.init(&CGM, "objc_setProperty_atomic_copy", VoidTy, - IdTy, SelectorTy, IdTy, PtrDiffTy, nullptr); + IdTy, SelectorTy, IdTy, PtrDiffTy); SetPropertyNonAtomic.init(&CGM, "objc_setProperty_nonatomic", VoidTy, - IdTy, SelectorTy, IdTy, PtrDiffTy, nullptr); + IdTy, SelectorTy, IdTy, PtrDiffTy); SetPropertyNonAtomicCopy.init(&CGM, "objc_setProperty_nonatomic_copy", - VoidTy, IdTy, SelectorTy, IdTy, PtrDiffTy, nullptr); + VoidTy, IdTy, SelectorTy, IdTy, PtrDiffTy); // void objc_setCppObjectAtomic(void *dest, const void *src, void // *helper); CxxAtomicObjectSetFn.init(&CGM, "objc_setCppObjectAtomic", VoidTy, PtrTy, - PtrTy, PtrTy, nullptr); + PtrTy, PtrTy); // void objc_getCppObjectAtomic(void *dest, const void *src, void // *helper); CxxAtomicObjectGetFn.init(&CGM, "objc_getCppObjectAtomic", VoidTy, PtrTy, - PtrTy, PtrTy, nullptr); + PtrTy, PtrTy); } llvm::Constant *GetCppAtomicObjectGetFunction() override { @@ -849,14 +842,14 @@ protected: public: CGObjCObjFW(CodeGenModule &Mod): CGObjCGNU(Mod, 9, 3) { // IMP objc_msg_lookup(id, SEL); - MsgLookupFn.init(&CGM, "objc_msg_lookup", IMPTy, IdTy, SelectorTy, nullptr); + MsgLookupFn.init(&CGM, "objc_msg_lookup", IMPTy, IdTy, SelectorTy); MsgLookupFnSRet.init(&CGM, "objc_msg_lookup_stret", IMPTy, IdTy, - SelectorTy, nullptr); + SelectorTy); // IMP objc_msg_lookup_super(struct objc_super*, SEL); MsgLookupSuperFn.init(&CGM, "objc_msg_lookup_super", IMPTy, - PtrToObjCSuperTy, SelectorTy, nullptr); + PtrToObjCSuperTy, SelectorTy); MsgLookupSuperFnSRet.init(&CGM, "objc_msg_lookup_super_stret", IMPTy, - PtrToObjCSuperTy, SelectorTy, nullptr); + PtrToObjCSuperTy, SelectorTy); } }; } // end anonymous namespace @@ -945,35 +938,34 @@ CGObjCGNU::CGObjCGNU(CodeGenModule &cgm, unsigned runtimeABIVersion, } PtrToIdTy = llvm::PointerType::getUnqual(IdTy); - ObjCSuperTy = llvm::StructType::get(IdTy, IdTy, nullptr); + ObjCSuperTy = llvm::StructType::get(IdTy, IdTy); PtrToObjCSuperTy = llvm::PointerType::getUnqual(ObjCSuperTy); llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); // void objc_exception_throw(id); - ExceptionThrowFn.init(&CGM, "objc_exception_throw", VoidTy, IdTy, nullptr); - ExceptionReThrowFn.init(&CGM, "objc_exception_throw", VoidTy, IdTy, nullptr); + ExceptionThrowFn.init(&CGM, "objc_exception_throw", VoidTy, IdTy); + ExceptionReThrowFn.init(&CGM, "objc_exception_throw", VoidTy, IdTy); // int objc_sync_enter(id); - SyncEnterFn.init(&CGM, "objc_sync_enter", IntTy, IdTy, nullptr); + SyncEnterFn.init(&CGM, "objc_sync_enter", IntTy, IdTy); // int objc_sync_exit(id); - SyncExitFn.init(&CGM, "objc_sync_exit", IntTy, IdTy, nullptr); + SyncExitFn.init(&CGM, "objc_sync_exit", IntTy, IdTy); // void objc_enumerationMutation (id) - EnumerationMutationFn.init(&CGM, "objc_enumerationMutation", VoidTy, - IdTy, nullptr); + EnumerationMutationFn.init(&CGM, "objc_enumerationMutation", VoidTy, IdTy); // id objc_getProperty(id, SEL, ptrdiff_t, BOOL) GetPropertyFn.init(&CGM, "objc_getProperty", IdTy, IdTy, SelectorTy, - PtrDiffTy, BoolTy, nullptr); + PtrDiffTy, BoolTy); // void objc_setProperty(id, SEL, ptrdiff_t, id, BOOL, BOOL) SetPropertyFn.init(&CGM, "objc_setProperty", VoidTy, IdTy, SelectorTy, - PtrDiffTy, IdTy, BoolTy, BoolTy, nullptr); + PtrDiffTy, IdTy, BoolTy, BoolTy); // void objc_setPropertyStruct(void*, void*, ptrdiff_t, BOOL, BOOL) - GetStructPropertyFn.init(&CGM, "objc_getPropertyStruct", VoidTy, PtrTy, PtrTy, - PtrDiffTy, BoolTy, BoolTy, nullptr); + GetStructPropertyFn.init(&CGM, "objc_getPropertyStruct", VoidTy, PtrTy, PtrTy, + PtrDiffTy, BoolTy, BoolTy); // void objc_setPropertyStruct(void*, void*, ptrdiff_t, BOOL, BOOL) - SetStructPropertyFn.init(&CGM, "objc_setPropertyStruct", VoidTy, PtrTy, PtrTy, - PtrDiffTy, BoolTy, BoolTy, nullptr); + SetStructPropertyFn.init(&CGM, "objc_setPropertyStruct", VoidTy, PtrTy, PtrTy, + PtrDiffTy, BoolTy, BoolTy); // IMP type llvm::Type *IMPArgs[] = { IdTy, SelectorTy }; @@ -997,21 +989,19 @@ CGObjCGNU::CGObjCGNU(CodeGenModule &cgm, unsigned runtimeABIVersion, // Get functions needed in GC mode // id objc_assign_ivar(id, id, ptrdiff_t); - IvarAssignFn.init(&CGM, "objc_assign_ivar", IdTy, IdTy, IdTy, PtrDiffTy, - nullptr); + IvarAssignFn.init(&CGM, "objc_assign_ivar", IdTy, IdTy, IdTy, PtrDiffTy); // id objc_assign_strongCast (id, id*) StrongCastAssignFn.init(&CGM, "objc_assign_strongCast", IdTy, IdTy, - PtrToIdTy, nullptr); + PtrToIdTy); // id objc_assign_global(id, id*); - GlobalAssignFn.init(&CGM, "objc_assign_global", IdTy, IdTy, PtrToIdTy, - nullptr); + GlobalAssignFn.init(&CGM, "objc_assign_global", IdTy, IdTy, PtrToIdTy); // id objc_assign_weak(id, id*); - WeakAssignFn.init(&CGM, "objc_assign_weak", IdTy, IdTy, PtrToIdTy, nullptr); + WeakAssignFn.init(&CGM, "objc_assign_weak", IdTy, IdTy, PtrToIdTy); // id objc_read_weak(id*); - WeakReadFn.init(&CGM, "objc_read_weak", IdTy, PtrToIdTy, nullptr); + WeakReadFn.init(&CGM, "objc_read_weak", IdTy, PtrToIdTy); // void *objc_memmove_collectable(void*, void *, size_t); MemMoveFn.init(&CGM, "objc_memmove_collectable", PtrTy, PtrTy, PtrTy, - SizeTy, nullptr); + SizeTy); } } @@ -1317,7 +1307,7 @@ CGObjCGNU::GenerateMessageSendSuper(CodeGenFunction &CGF, } } // Cast the pointer to a simplified version of the class structure - llvm::Type *CastTy = llvm::StructType::get(IdTy, IdTy, nullptr); + llvm::Type *CastTy = llvm::StructType::get(IdTy, IdTy); ReceiverClass = Builder.CreateBitCast(ReceiverClass, llvm::PointerType::getUnqual(CastTy)); // Get the superclass pointer @@ -1326,8 +1316,8 @@ CGObjCGNU::GenerateMessageSendSuper(CodeGenFunction &CGF, ReceiverClass = Builder.CreateAlignedLoad(ReceiverClass, CGF.getPointerAlign()); // Construct the structure used to look up the IMP - llvm::StructType *ObjCSuperTy = llvm::StructType::get( - Receiver->getType(), IdTy, nullptr); + llvm::StructType *ObjCSuperTy = + llvm::StructType::get(Receiver->getType(), IdTy); // FIXME: Is this really supposed to be a dynamic alloca? Address ObjCSuper = Address(Builder.CreateAlloca(ObjCSuperTy), @@ -1565,11 +1555,8 @@ GenerateIvarList(ArrayRef<llvm::Constant *> IvarNames, IvarList.addInt(IntTy, (int)IvarNames.size()); // Get the ivar structure type. - llvm::StructType *ObjCIvarTy = llvm::StructType::get( - PtrToInt8Ty, - PtrToInt8Ty, - IntTy, - nullptr); + llvm::StructType *ObjCIvarTy = + llvm::StructType::get(PtrToInt8Ty, PtrToInt8Ty, IntTy); // Array of ivar structures. auto Ivars = IvarList.beginArray(ObjCIvarTy); @@ -1611,7 +1598,7 @@ llvm::Constant *CGObjCGNU::GenerateClassStructure( // anyway; the classes will still work with the GNU runtime, they will just // be ignored. llvm::StructType *ClassTy = llvm::StructType::get( - PtrToInt8Ty, // isa + PtrToInt8Ty, // isa PtrToInt8Ty, // super_class PtrToInt8Ty, // name LongTy, // version @@ -1620,18 +1607,18 @@ llvm::Constant *CGObjCGNU::GenerateClassStructure( IVars->getType(), // ivars Methods->getType(), // methods // These are all filled in by the runtime, so we pretend - PtrTy, // dtable - PtrTy, // subclass_list - PtrTy, // sibling_class - PtrTy, // protocols - PtrTy, // gc_object_type + PtrTy, // dtable + PtrTy, // subclass_list + PtrTy, // sibling_class + PtrTy, // protocols + PtrTy, // gc_object_type // New ABI: LongTy, // abi_version IvarOffsets->getType(), // ivar_offsets Properties->getType(), // properties IntPtrTy, // strong_pointers - IntPtrTy, // weak_pointers - nullptr); + IntPtrTy // weak_pointers + ); ConstantInitBuilder Builder(CGM); auto Elements = Builder.beginStruct(ClassTy); |
