162 lines
3.8 KiB
Objective-C
162 lines
3.8 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
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/*
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Here is a handy command for looking at llvm-gcc's output:
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llvm-gcc -m64 -fobjc-gc -emit-llvm -S -o - ivar-layout-64.m | \
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grep 'OBJC_CLASS_NAME.* =.*global' | \
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sed -e 's#, section.*# ...#' | \
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sed -e 's#_[0-9]*"#_NNN#' | \
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sort
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*/
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@interface B @end
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@interface A {
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struct s0 {
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int f0;
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int f1;
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} f0;
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id f1;
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__weak B *f2;
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int f3 : 5;
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struct s1 {
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int *f0;
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int *f1;
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} f4[2][1];
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}
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@end
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@interface C : A
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@property int p3;
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@end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"C\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\11p\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"!`\00"
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@implementation C
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@synthesize p3 = _p3;
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@end
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@interface A()
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@property int p0;
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@property (assign) __strong id p1;
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@property (assign) __weak id p2;
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@end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"A\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\11q\10\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"!q\00"
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@implementation A
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@synthesize p0 = _p0;
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@synthesize p1 = _p1;
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@synthesize p2 = _p2;
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@end
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@interface D : A
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@property int p3;
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@end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"D\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\11p\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"!`\00"
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@implementation D
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@synthesize p3 = _p3;
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@end
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typedef unsigned short UInt16;
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typedef signed char BOOL;
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typedef unsigned int FSCatalogInfoBitmap;
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@interface NSFileLocationComponent {
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@private
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id _specifierOrStandardizedPath;
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BOOL _carbonCatalogInfoAndNameAreValid;
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FSCatalogInfoBitmap _carbonCatalogInfoMask;
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id _name;
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id _containerComponent;
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id _presentableName;
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id _iconAsAttributedString;
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}
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@end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"NSFileLocationComponent\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\01\14\00"
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@implementation NSFileLocationComponent @end
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@interface NSObject {
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id isa;
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}
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@end
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@interface Foo : NSObject {
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id ivar;
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unsigned long bitfield :31;
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unsigned long bitfield2 :1;
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unsigned long bitfield3 :32;
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}
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@end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"Foo\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\02\10\00"
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@implementation Foo @end
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// GC layout strings aren't capable of expressing __strong ivars at
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// non-word alignments.
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struct __attribute__((packed)) PackedStruct {
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char c;
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__strong id x;
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};
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@interface Packed : NSObject {
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struct PackedStruct _packed;
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}
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@end
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@implementation Packed @end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"Packed\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\01 \00"
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// ' ' == 0x20
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// Ensure that layout descends into anonymous unions and structs.
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// Hilariously, anonymous unions and structs that appear directly as ivars
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// are completely ignored by layout.
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@interface AnonymousUnion : NSObject {
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struct {
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union {
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id _object;
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void *_ptr;
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};
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} a;
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}
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@end
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@implementation AnonymousUnion @end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"AnonymousUnion\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\02\00"
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@interface AnonymousStruct : NSObject {
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struct {
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struct {
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id _object;
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__weak id _weakref;
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};
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} a;
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}
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@end
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@implementation AnonymousStruct @end
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"AnonymousStruct\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"\02\10\00"
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// CHECK: @OBJC_CLASS_NAME_{{.*}} = private global {{.*}} c"!\00"
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// '!' == 0x21
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