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
|
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple i386-apple-darwin -print-ivar-layout -emit-llvm -o /dev/null %s > %t-32.layout
// RUN: FileCheck --input-file=%t-32.layout %s
// rdar://12184410
// rdar://12752901
@class NSString;
extern void NSLog(NSString *format, ...);
extern int printf(const char *, ...);
int main() {
NSString *strong;
unsigned long long eightByte = 0x8001800181818181ull;
// Test1
// CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
void (^block1)() = ^{ printf("%#llx", eightByte); NSLog(@"%@", strong); };
// Test2
int i = 1;
// CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
void (^block2)() = ^{ printf("%#llx, %d", eightByte, i); NSLog(@"%@", strong); };
// Test3
char ch = 'a';
// CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
void (^block3)() = ^{ printf("%c %#llx", ch, eightByte); NSLog(@"%@", strong); };
// Test4
unsigned long fourByte = 0x8001ul;
// CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
void (^block4)() = ^{ printf("%c %#lx", ch, fourByte); NSLog(@"%@", strong); };
// Test5
// CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
void (^block5)() = ^{ NSLog(@"%@", strong); printf("%c %#llx", ch, eightByte); };
// Test6
// CHECK: Block variable layout: BL_OPERATOR:0
void (^block6)() = ^{ printf("%#llx", eightByte); };
}
/**
struct __block_literal_generic { // 32bytes (64bit) and 20 bytes (32bit).
0 void *__isa;
4 int __flags;
8 int __reserved;
12 void (*__invoke)(void *);
16 struct __block_descriptor *__descriptor;
};
*/
|
