85 lines
4.1 KiB
Mathematica
85 lines
4.1 KiB
Mathematica
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -Wno-objc-root-class -emit-llvm -o - %s | FileCheck %s
|
||
|
|
|
||
|
|
// -- classref for the message send in main()
|
||
|
|
//
|
||
|
|
// The class is declared with objc_class_stub, so LSB of the class pointer
|
||
|
|
// must be set to 1.
|
||
|
|
//
|
||
|
|
// CHECK-LABEL: @"OBJC_CLASSLIST_REFERENCES_$_" = internal global i8* getelementptr (i8, i8* bitcast (%struct._class_t* @"OBJC_CLASS_$_Base" to i8*), i32 1), align 8
|
||
|
|
|
||
|
|
// -- classref for the super message send in anotherClassMethod()
|
||
|
|
//
|
||
|
|
// Metaclasses do not use the "stub" mechanism and are referenced statically.
|
||
|
|
//
|
||
|
|
// CHECK-LABEL: @"OBJC_CLASSLIST_SUP_REFS_$_" = private global %struct._class_t* @"OBJC_METACLASS_$_Derived", section "__DATA,__objc_superrefs,regular,no_dead_strip", align 8
|
||
|
|
|
||
|
|
// -- classref for the super message send in anotherInstanceMethod()
|
||
|
|
//
|
||
|
|
// The class is declared with objc_class_stub, so LSB of the class pointer
|
||
|
|
// must be set to 1.
|
||
|
|
//
|
||
|
|
// CHECK-LABEL: @"OBJC_CLASSLIST_SUP_REFS_$_.1" = private global i8* getelementptr (i8, i8* bitcast (%struct._class_t* @"OBJC_CLASS_$_Derived" to i8*), i32 1), section "__DATA,__objc_superrefs,regular,no_dead_strip", align 8
|
||
|
|
|
||
|
|
// -- category list for class stubs goes in __objc_catlist2.
|
||
|
|
//
|
||
|
|
// CHECK-LABEL: @"OBJC_LABEL_STUB_CATEGORY_$" = private global [1 x i8*] [i8* bitcast (%struct._category_t* @"_OBJC_$_CATEGORY_Derived_$_MyCategory" to i8*)], section "__DATA,__objc_catlist2,regular,no_dead_strip", align 8
|
||
|
|
|
||
|
|
__attribute__((objc_class_stub))
|
||
|
|
__attribute__((objc_subclassing_restricted))
|
||
|
|
@interface Base
|
||
|
|
+ (void) classMethod;
|
||
|
|
- (void) instanceMethod;
|
||
|
|
@end
|
||
|
|
|
||
|
|
__attribute__((objc_class_stub))
|
||
|
|
__attribute__((objc_subclassing_restricted))
|
||
|
|
@interface Derived : Base
|
||
|
|
@end
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
[Base classMethod];
|
||
|
|
}
|
||
|
|
// CHECK-LABEL: define{{.*}} i32 @main()
|
||
|
|
// CHECK-NEXT: entry:
|
||
|
|
// CHECK-NEXT: [[CLASS:%.*]] = call %struct._class_t* @objc_loadClassref(i8** @"OBJC_CLASSLIST_REFERENCES_$_")
|
||
|
|
// CHECK-NEXT: [[SELECTOR:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
|
||
|
|
// CHECK-NEXT: [[RECEIVER:%.*]] = bitcast %struct._class_t* [[CLASS]] to i8*
|
||
|
|
// CHECK-NEXT: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*)*)(i8* [[RECEIVER]], i8* [[SELECTOR]])
|
||
|
|
// CHECK-NEXT: ret i32 0
|
||
|
|
|
||
|
|
// CHECK-LABEL: declare extern_weak %struct._class_t* @objc_loadClassref(i8**)
|
||
|
|
// CHECK-SAME: [[ATTRLIST:#.*]]
|
||
|
|
|
||
|
|
@implementation Derived (MyCategory)
|
||
|
|
|
||
|
|
+ (void) anotherClassMethod {
|
||
|
|
[super classMethod];
|
||
|
|
}
|
||
|
|
// CHECK-LABEL: define internal void @"\01+[Derived(MyCategory) anotherClassMethod]"(i8* %self, i8* %_cmd) #0 {
|
||
|
|
// CHECK-NEXT: entry:
|
||
|
|
// CHECK: [[SUPER:%.*]] = alloca %struct._objc_super, align 8
|
||
|
|
// CHECK: [[METACLASS_REF:%.*]] = load %struct._class_t*, %struct._class_t** @"OBJC_CLASSLIST_SUP_REFS_$_", align 8
|
||
|
|
// CHECK: [[CAST_METACLASS_REF:%.*]] = bitcast %struct._class_t* [[METACLASS_REF]] to i8*
|
||
|
|
// CHECK: [[DEST:%.*]] = getelementptr inbounds %struct._objc_super, %struct._objc_super* [[SUPER]], i32 0, i32 1
|
||
|
|
// CHECK: store i8* [[CAST_METACLASS_REF]], i8** [[DEST]], align 8
|
||
|
|
// CHECK: call void bitcast (i8* (%struct._objc_super*, i8*, ...)* @objc_msgSendSuper2 to void (%struct._objc_super*, i8*)*)(%struct._objc_super* [[SUPER]], i8* {{%.*}})
|
||
|
|
// CHECK: ret void
|
||
|
|
|
||
|
|
- (void) anotherInstanceMethod {
|
||
|
|
[super instanceMethod];
|
||
|
|
}
|
||
|
|
// CHECK-LABEL: define internal void @"\01-[Derived(MyCategory) anotherInstanceMethod]"(%0* %self, i8* %_cmd) #0 {
|
||
|
|
// CHECK-NEXT: entry:
|
||
|
|
// CHECK: [[SUPER:%.*]] = alloca %struct._objc_super, align 8
|
||
|
|
// CHECK: [[CLASS_REF:%.*]] = call %struct._class_t* @objc_loadClassref(i8** @"OBJC_CLASSLIST_SUP_REFS_$_.1")
|
||
|
|
// CHECK: [[CAST_CLASS_REF:%.*]] = bitcast %struct._class_t* [[CLASS_REF]] to i8*
|
||
|
|
// CHECK: [[DEST:%.*]] = getelementptr inbounds %struct._objc_super, %struct._objc_super* [[SUPER]], i32 0, i32 1
|
||
|
|
// CHECK: store i8* [[CAST_CLASS_REF]], i8** [[DEST]], align 8
|
||
|
|
// CHECK: call void bitcast (i8* (%struct._objc_super*, i8*, ...)* @objc_msgSendSuper2 to void (%struct._objc_super*, i8*)*)(%struct._objc_super* [[SUPER]], i8* {{%.*}})
|
||
|
|
// CHECK: ret void
|
||
|
|
|
||
|
|
@end
|
||
|
|
|
||
|
|
// -- calls to objc_loadClassRef() are readnone
|
||
|
|
// CHECK: attributes [[ATTRLIST]] = { nounwind nonlazybind readnone }
|