reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s

/*

Here is a handy command for looking at llvm-gcc's output:
llvm-gcc -m64 -fobjc-gc -emit-llvm -S -o - ivar-layout-64.m | \
  grep 'OBJC_CLASS_NAME.* =.*global' | \
  sed -e 's#, section.*# ...#' | \
  sed -e 's#_[0-9]*"#_NNN#' | \
  sort

*/

@interface B @end

@interface A {
  struct s0 {
    int f0;
    int f1;
  } f0;
  id f1;
__weak B *f2;
  int f3 : 5;
  struct s1 {
    int *f0;
    int *f1;
  } f4[2][1];
}
@end

@interface C : A
@property int p3;
@end

// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"C\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\11p\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!`\00"


@implementation C
@synthesize p3 = _p3;
@end

@interface A()
@property int p0;
@property (assign) __strong id p1;
@property (assign) __weak id p2;
@end

// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"A\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\11q\10\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!q\00"

@implementation A
@synthesize p0 = _p0;
@synthesize p1 = _p1;
@synthesize p2 = _p2;
@end

@interface D : A
@property int p3;
@end

// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"D\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\11p\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!`\00"

@implementation D
@synthesize p3 = _p3;
@end

typedef unsigned short UInt16;


typedef signed char BOOL;
typedef unsigned int FSCatalogInfoBitmap;

@interface NSFileLocationComponent {
    @private

    id _specifierOrStandardizedPath;
    BOOL _carbonCatalogInfoAndNameAreValid;
    FSCatalogInfoBitmap _carbonCatalogInfoMask;
    id _name;
    id _containerComponent;
    id _presentableName;
    id _iconAsAttributedString;
}
@end

// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"NSFileLocationComponent\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\01\14\00"

@implementation NSFileLocationComponent @end

@interface NSObject {
  id isa;
}
@end

@interface Foo : NSObject {
    id ivar;

    unsigned long bitfield  :31;
    unsigned long bitfield2 :1;
    unsigned long bitfield3 :32;
}
@end

// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"Foo\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\02\10\00"

@implementation Foo @end

// GC layout strings aren't capable of expressing __strong ivars at
// non-word alignments.
struct __attribute__((packed)) PackedStruct {
  char c;
  __strong id x;
};
@interface Packed : NSObject {
  struct PackedStruct _packed;
}
@end
@implementation Packed @end
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"Packed\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\01 \00"
//  ' ' == 0x20

// Ensure that layout descends into anonymous unions and structs.
// Hilariously, anonymous unions and structs that appear directly as ivars
// are completely ignored by layout.

@interface AnonymousUnion : NSObject {
  struct {
    union {
      id _object;
      void *_ptr;
    };
  } a;
}
@end
@implementation AnonymousUnion @end
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"AnonymousUnion\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\02\00"

@interface AnonymousStruct : NSObject {
  struct {
    struct {
      id _object;
      __weak id _weakref;
    };
  } a;
}
@end
@implementation AnonymousStruct @end
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"AnonymousStruct\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"\02\10\00"
// CHECK: @OBJC_CLASS_NAME_{{.*}} = private unnamed_addr constant {{.*}} c"!\00"
//  '!' == 0x21