forked from OSchip/llvm-project
51 lines
1.7 KiB
Objective-C
51 lines
1.7 KiB
Objective-C
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple i386-apple-darwin -O0 -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: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
|
|
void (^block1)() = ^{ printf("%#llx", eightByte); NSLog(@"%@", strong); };
|
|
|
|
// Test2
|
|
int i = 1;
|
|
// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
|
|
void (^block2)() = ^{ printf("%#llx, %d", eightByte, i); NSLog(@"%@", strong); };
|
|
|
|
// Test3
|
|
char ch = 'a';
|
|
// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
|
|
void (^block3)() = ^{ printf("%c %#llx", ch, eightByte); NSLog(@"%@", strong); };
|
|
|
|
// Test4
|
|
unsigned long fourByte = 0x8001ul;
|
|
// block variable layout: BL_NON_OBJECT_WORD:1, BL_STRONG:1, BL_OPERATOR:0
|
|
// CHECK: Inline instruction for block variable layout: 0x0100
|
|
void (^block4)() = ^{ printf("%c %#lx", ch, fourByte); NSLog(@"%@", strong); };
|
|
|
|
// Test5
|
|
// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, 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;
|
|
};
|
|
*/
|