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-rw-r--r--clang/lib/CodeGen/CGObjCMac.cpp261
1 files changed, 111 insertions, 150 deletions
diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp
index 7cb51e2611a..50f2c78b524 100644
--- a/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/clang/lib/CodeGen/CGObjCMac.cpp
@@ -55,89 +55,89 @@ protected:
llvm::LLVMContext &VMContext;
private:
+ // The types of these functions don't really matter because we
+ // should always bitcast before calling them.
+
+ /// id objc_msgSend (id, SEL, ...)
+ ///
+ /// The default messenger, used for sends whose ABI is unchanged from
+ /// the all-integer/pointer case.
llvm::Constant *getMessageSendFn() const {
- // id objc_msgSend (id, SEL, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(SelectorPtrTy);
- return
- CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
- "objc_msgSend");
+ const llvm::Type *params[] = { ObjectPtrTy, SelectorPtrTy };
+ return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
+ params, true),
+ "objc_msgSend");
}
+ /// void objc_msgSend_stret (id, SEL, ...)
+ ///
+ /// The messenger used when the return value is an aggregate returned
+ /// by indirect reference in the first argument, and therefore the
+ /// self and selector parameters are shifted over by one.
llvm::Constant *getMessageSendStretFn() const {
- // id objc_msgSend_stret (id, SEL, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(SelectorPtrTy);
- return
- CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext),
- Params, true),
- "objc_msgSend_stret");
+ const llvm::Type *params[] = { ObjectPtrTy, SelectorPtrTy };
+ return CGM.CreateRuntimeFunction(llvm::FunctionType::get(CGM.VoidTy,
+ params, true),
+ "objc_msgSend_stret");
}
+ /// [double | long double] objc_msgSend_fpret(id self, SEL op, ...)
+ ///
+ /// The messenger used when the return value is returned on the x87
+ /// floating-point stack; without a special entrypoint, the nil case
+ /// would be unbalanced.
llvm::Constant *getMessageSendFpretFn() const {
- // FIXME: This should be long double on x86_64?
- // [double | long double] objc_msgSend_fpret(id self, SEL op, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(SelectorPtrTy);
- return
- CGM.CreateRuntimeFunction(llvm::FunctionType::get(
+ const llvm::Type *params[] = { ObjectPtrTy, SelectorPtrTy };
+ return CGM.CreateRuntimeFunction(llvm::FunctionType::get(
llvm::Type::getDoubleTy(VMContext),
- Params,
- true),
- "objc_msgSend_fpret");
+ params, true),
+ "objc_msgSend_fpret");
}
+ /// id objc_msgSendSuper(struct objc_super *super, SEL op, ...)
+ ///
+ /// The messenger used for super calls, which have different dispatch
+ /// semantics. The class passed is the superclass of the current
+ /// class.
llvm::Constant *getMessageSendSuperFn() const {
- // id objc_msgSendSuper(struct objc_super *super, SEL op, ...)
- const char *SuperName = "objc_msgSendSuper";
- std::vector<const llvm::Type*> Params;
- Params.push_back(SuperPtrTy);
- Params.push_back(SelectorPtrTy);
+ const llvm::Type *params[] = { SuperPtrTy, SelectorPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
- SuperName);
+ params, true),
+ "objc_msgSendSuper");
}
+ /// id objc_msgSendSuper2(struct objc_super *super, SEL op, ...)
+ ///
+ /// A slightly different messenger used for super calls. The class
+ /// passed is the current class.
llvm::Constant *getMessageSendSuperFn2() const {
- // id objc_msgSendSuper2(struct objc_super *super, SEL op, ...)
- const char *SuperName = "objc_msgSendSuper2";
- std::vector<const llvm::Type*> Params;
- Params.push_back(SuperPtrTy);
- Params.push_back(SelectorPtrTy);
+ const llvm::Type *params[] = { SuperPtrTy, SelectorPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
- SuperName);
+ params, true),
+ "objc_msgSendSuper2");
}
+ /// void objc_msgSendSuper_stret(void *stretAddr, struct objc_super *super,
+ /// SEL op, ...)
+ ///
+ /// The messenger used for super calls which return an aggregate indirectly.
llvm::Constant *getMessageSendSuperStretFn() const {
- // void objc_msgSendSuper_stret(void * stretAddr, struct objc_super *super,
- // SEL op, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(Int8PtrTy);
- Params.push_back(SuperPtrTy);
- Params.push_back(SelectorPtrTy);
+ const llvm::Type *params[] = { Int8PtrTy, SuperPtrTy, SelectorPtrTy };
return CGM.CreateRuntimeFunction(
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext),
- Params, true),
+ llvm::FunctionType::get(CGM.VoidTy, params, true),
"objc_msgSendSuper_stret");
}
+ /// void objc_msgSendSuper2_stret(void * stretAddr, struct objc_super *super,
+ /// SEL op, ...)
+ ///
+ /// objc_msgSendSuper_stret with the super2 semantics.
llvm::Constant *getMessageSendSuperStretFn2() const {
- // void objc_msgSendSuper2_stret(void * stretAddr, struct objc_super *super,
- // SEL op, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(Int8PtrTy);
- Params.push_back(SuperPtrTy);
- Params.push_back(SelectorPtrTy);
+ const llvm::Type *params[] = { Int8PtrTy, SuperPtrTy, SelectorPtrTy };
return CGM.CreateRuntimeFunction(
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext),
- Params, true),
+ llvm::FunctionType::get(CGM.VoidTy, params, true),
"objc_msgSendSuper2_stret");
}
@@ -270,111 +270,97 @@ public:
/// GcReadWeakFn -- LLVM objc_read_weak (id *src) function.
llvm::Constant *getGcReadWeakFn() {
// id objc_read_weak (id *)
- std::vector<const llvm::Type*> Args;
- Args.push_back(ObjectPtrTy->getPointerTo());
+ const llvm::Type *args[] = { ObjectPtrTy->getPointerTo() };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(ObjectPtrTy, Args, false);
+ llvm::FunctionType::get(ObjectPtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_read_weak");
}
/// GcAssignWeakFn -- LLVM objc_assign_weak function.
llvm::Constant *getGcAssignWeakFn() {
// id objc_assign_weak (id, id *)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
- Args.push_back(ObjectPtrTy->getPointerTo());
+ const llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(ObjectPtrTy, Args, false);
+ llvm::FunctionType::get(ObjectPtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_assign_weak");
}
/// GcAssignGlobalFn -- LLVM objc_assign_global function.
llvm::Constant *getGcAssignGlobalFn() {
// id objc_assign_global(id, id *)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
- Args.push_back(ObjectPtrTy->getPointerTo());
+ const llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(ObjectPtrTy, Args, false);
+ llvm::FunctionType::get(ObjectPtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_assign_global");
}
/// GcAssignThreadLocalFn -- LLVM objc_assign_threadlocal function.
llvm::Constant *getGcAssignThreadLocalFn() {
// id objc_assign_threadlocal(id src, id * dest)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
- Args.push_back(ObjectPtrTy->getPointerTo());
+ const llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(ObjectPtrTy, Args, false);
+ llvm::FunctionType::get(ObjectPtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_assign_threadlocal");
}
/// GcAssignIvarFn -- LLVM objc_assign_ivar function.
llvm::Constant *getGcAssignIvarFn() {
// id objc_assign_ivar(id, id *, ptrdiff_t)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
- Args.push_back(ObjectPtrTy->getPointerTo());
- const llvm::Type *PtrDiffTy =
- CGM.getTypes().ConvertType(
- CGM.getContext().getPointerDiffType()->getCanonicalTypeUnqualified());
-
- Args.push_back(PtrDiffTy);
+ const llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo(),
+ CGM.PtrDiffTy };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(ObjectPtrTy, Args, false);
+ llvm::FunctionType::get(ObjectPtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_assign_ivar");
}
/// GcMemmoveCollectableFn -- LLVM objc_memmove_collectable function.
llvm::Constant *GcMemmoveCollectableFn() {
// void *objc_memmove_collectable(void *dst, const void *src, size_t size)
- std::vector<const llvm::Type*> Args(1, Int8PtrTy);
- Args.push_back(Int8PtrTy);
- Args.push_back(LongTy);
- llvm::FunctionType *FTy = llvm::FunctionType::get(Int8PtrTy, Args, false);
+ const llvm::Type *args[] = { Int8PtrTy, Int8PtrTy, LongTy };
+ llvm::FunctionType *FTy = llvm::FunctionType::get(Int8PtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_memmove_collectable");
}
/// GcAssignStrongCastFn -- LLVM objc_assign_strongCast function.
llvm::Constant *getGcAssignStrongCastFn() {
// id objc_assign_strongCast(id, id *)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
- Args.push_back(ObjectPtrTy->getPointerTo());
+ const llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(ObjectPtrTy, Args, false);
+ llvm::FunctionType::get(ObjectPtrTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_assign_strongCast");
}
/// ExceptionThrowFn - LLVM objc_exception_throw function.
llvm::Constant *getExceptionThrowFn() {
// void objc_exception_throw(id)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
+ const llvm::Type *args[] = { ObjectPtrTy };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Args, false);
+ llvm::FunctionType::get(CGM.VoidTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_exception_throw");
}
/// ExceptionRethrowFn - LLVM objc_exception_rethrow function.
llvm::Constant *getExceptionRethrowFn() {
// void objc_exception_rethrow(void)
- std::vector<const llvm::Type*> Args;
- llvm::FunctionType *FTy =
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Args, false);
+ llvm::FunctionType *FTy = llvm::FunctionType::get(CGM.VoidTy, false);
return CGM.CreateRuntimeFunction(FTy, "objc_exception_rethrow");
}
/// SyncEnterFn - LLVM object_sync_enter function.
llvm::Constant *getSyncEnterFn() {
// void objc_sync_enter (id)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
+ const llvm::Type *args[] = { ObjectPtrTy };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Args, false);
+ llvm::FunctionType::get(CGM.VoidTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_sync_enter");
}
/// SyncExitFn - LLVM object_sync_exit function.
llvm::Constant *getSyncExitFn() {
// void objc_sync_exit (id)
- std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
+ const llvm::Type *args[] = { ObjectPtrTy };
llvm::FunctionType *FTy =
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Args, false);
+ llvm::FunctionType::get(CGM.VoidTy, args, false);
return CGM.CreateRuntimeFunction(FTy, "objc_sync_exit");
}
@@ -466,55 +452,44 @@ public:
/// ExceptionTryEnterFn - LLVM objc_exception_try_enter function.
llvm::Constant *getExceptionTryEnterFn() {
- std::vector<const llvm::Type*> Params;
- Params.push_back(llvm::PointerType::getUnqual(ExceptionDataTy));
+ const llvm::Type *params[] = { ExceptionDataTy->getPointerTo() };
return CGM.CreateRuntimeFunction(
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext),
- Params, false),
+ llvm::FunctionType::get(CGM.VoidTy, params, false),
"objc_exception_try_enter");
}
/// ExceptionTryExitFn - LLVM objc_exception_try_exit function.
llvm::Constant *getExceptionTryExitFn() {
- std::vector<const llvm::Type*> Params;
- Params.push_back(llvm::PointerType::getUnqual(ExceptionDataTy));
+ const llvm::Type *params[] = { ExceptionDataTy->getPointerTo() };
return CGM.CreateRuntimeFunction(
- llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext),
- Params, false),
+ llvm::FunctionType::get(CGM.VoidTy, params, false),
"objc_exception_try_exit");
}
/// ExceptionExtractFn - LLVM objc_exception_extract function.
llvm::Constant *getExceptionExtractFn() {
- std::vector<const llvm::Type*> Params;
- Params.push_back(llvm::PointerType::getUnqual(ExceptionDataTy));
+ const llvm::Type *params[] = { ExceptionDataTy->getPointerTo() };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, false),
+ params, false),
"objc_exception_extract");
-
}
/// ExceptionMatchFn - LLVM objc_exception_match function.
llvm::Constant *getExceptionMatchFn() {
- std::vector<const llvm::Type*> Params;
- Params.push_back(ClassPtrTy);
- Params.push_back(ObjectPtrTy);
+ const llvm::Type *params[] = { ClassPtrTy, ObjectPtrTy };
return CGM.CreateRuntimeFunction(
- llvm::FunctionType::get(llvm::Type::getInt32Ty(VMContext),
- Params, false),
+ llvm::FunctionType::get(CGM.Int32Ty, params, false),
"objc_exception_match");
}
/// SetJmpFn - LLVM _setjmp function.
llvm::Constant *getSetJmpFn() {
- std::vector<const llvm::Type*> Params;
- Params.push_back(llvm::Type::getInt32PtrTy(VMContext));
- return
- CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::getInt32Ty(VMContext),
- Params, false),
- "_setjmp");
-
+ // This is specifically the prototype for x86.
+ const llvm::Type *params[] = { CGM.Int32Ty->getPointerTo() };
+ return CGM.CreateRuntimeFunction(llvm::FunctionType::get(CGM.Int32Ty,
+ params, false),
+ "_setjmp");
}
public:
@@ -600,68 +575,56 @@ public:
llvm::Constant *getMessageSendFixupFn() {
// id objc_msgSend_fixup(id, struct message_ref_t*, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(MessageRefPtrTy);
+ const llvm::Type *params[] = { ObjectPtrTy, MessageRefPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
+ params, true),
"objc_msgSend_fixup");
}
llvm::Constant *getMessageSendFpretFixupFn() {
// id objc_msgSend_fpret_fixup(id, struct message_ref_t*, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(MessageRefPtrTy);
+ const llvm::Type *params[] = { ObjectPtrTy, MessageRefPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
+ params, true),
"objc_msgSend_fpret_fixup");
}
llvm::Constant *getMessageSendStretFixupFn() {
// id objc_msgSend_stret_fixup(id, struct message_ref_t*, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(MessageRefPtrTy);
+ const llvm::Type *params[] = { ObjectPtrTy, MessageRefPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
+ params, true),
"objc_msgSend_stret_fixup");
}
llvm::Constant *getMessageSendSuper2FixupFn() {
// id objc_msgSendSuper2_fixup (struct objc_super *,
// struct _super_message_ref_t*, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(SuperPtrTy);
- Params.push_back(SuperMessageRefPtrTy);
+ const llvm::Type *params[] = { SuperPtrTy, SuperMessageRefPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
+ params, true),
"objc_msgSendSuper2_fixup");
}
llvm::Constant *getMessageSendSuper2StretFixupFn() {
// id objc_msgSendSuper2_stret_fixup(struct objc_super *,
// struct _super_message_ref_t*, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(SuperPtrTy);
- Params.push_back(SuperMessageRefPtrTy);
+ const llvm::Type *params[] = { SuperPtrTy, SuperMessageRefPtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- Params, true),
+ params, true),
"objc_msgSendSuper2_stret_fixup");
}
llvm::Constant *getObjCEndCatchFn() {
- return CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext),
- false),
+ return CGM.CreateRuntimeFunction(llvm::FunctionType::get(CGM.VoidTy, false),
"objc_end_catch");
}
llvm::Constant *getObjCBeginCatchFn() {
- std::vector<const llvm::Type*> Params;
- Params.push_back(Int8PtrTy);
+ const llvm::Type *params[] = { Int8PtrTy };
return CGM.CreateRuntimeFunction(llvm::FunctionType::get(Int8PtrTy,
- Params, false),
+ params, false),
"objc_begin_catch");
}
@@ -2765,10 +2728,10 @@ void FragileHazards::collectLocals() {
}
llvm::FunctionType *FragileHazards::GetAsmFnType() {
- std::vector<const llvm::Type *> Tys(Locals.size());
- for (unsigned I = 0, E = Locals.size(); I != E; ++I)
- Tys[I] = Locals[I]->getType();
- return llvm::FunctionType::get(CGF.Builder.getVoidTy(), Tys, false);
+ llvm::SmallVector<const llvm::Type *, 16> tys(Locals.size());
+ for (unsigned i = 0, e = Locals.size(); i != e; ++i)
+ tys[i] = Locals[i]->getType();
+ return llvm::FunctionType::get(CGF.VoidTy, tys, false);
}
/*
@@ -4515,11 +4478,9 @@ ObjCNonFragileABITypesHelper::ObjCNonFragileABITypesHelper(CodeGen::CodeGenModul
ClassRonfABITy);
// ImpnfABITy - LLVM for id (*)(id, SEL, ...)
- std::vector<const llvm::Type*> Params;
- Params.push_back(ObjectPtrTy);
- Params.push_back(SelectorPtrTy);
- ImpnfABITy = llvm::PointerType::getUnqual(
- llvm::FunctionType::get(ObjectPtrTy, Params, false));
+ const llvm::Type *params[] = { ObjectPtrTy, SelectorPtrTy };
+ ImpnfABITy = llvm::FunctionType::get(ObjectPtrTy, params, false)
+ ->getPointerTo();
// struct _class_t {
// struct _class_t *isa;
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