| // 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 |
| // Nothing gets printed here since the descriptor of this block is merged with |
| // the descriptor of Test3's block. |
| 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; |
| }; |
| */ |