| 1 | // 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 |
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| 2 | // RUN: FileCheck --input-file=%t-32.layout %s |
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| 3 | // rdar://12184410 |
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| 4 | // rdar://12752901 |
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| 5 | |
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| 6 | @class NSString; |
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| 7 | extern void NSLog(NSString *format, ...); |
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| 8 | extern int printf(const char *, ...); |
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| 9 | |
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| 10 | int main() { |
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| 11 | NSString *strong; |
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| 12 | unsigned long long eightByte = 0x8001800181818181ull; |
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| 13 | // Test1 |
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| 14 | // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0 |
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| 15 | void (^block1)() = ^{ printf("%#llx", eightByte); NSLog(@"%@", strong); }; |
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| 16 | |
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| 17 | // Test2 |
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| 18 | int i = 1; |
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| 19 | // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0 |
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| 20 | void (^block2)() = ^{ printf("%#llx, %d", eightByte, i); NSLog(@"%@", strong); }; |
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| 21 | |
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| 22 | // Test3 |
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| 23 | char ch = 'a'; |
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| 24 | // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0 |
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| 25 | void (^block3)() = ^{ printf("%c %#llx", ch, eightByte); NSLog(@"%@", strong); }; |
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| 26 | |
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| 27 | // Test4 |
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| 28 | unsigned long fourByte = 0x8001ul; |
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| 29 | // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0 |
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| 30 | void (^block4)() = ^{ printf("%c %#lx", ch, fourByte); NSLog(@"%@", strong); }; |
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| 31 | |
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| 32 | // Test5 |
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| 33 | // Nothing gets printed here since the descriptor of this block is merged with |
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| 34 | // the descriptor of Test3's block. |
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| 35 | void (^block5)() = ^{ NSLog(@"%@", strong); printf("%c %#llx", ch, eightByte); }; |
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| 36 | |
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| 37 | // Test6 |
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| 38 | // CHECK: Block variable layout: BL_OPERATOR:0 |
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| 39 | void (^block6)() = ^{ printf("%#llx", eightByte); }; |
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| 40 | } |
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| 41 | |
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| 42 | /** |
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| 43 | struct __block_literal_generic { // 32bytes (64bit) and 20 bytes (32bit). |
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| 44 | 0 void *__isa; |
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| 45 | 4 int __flags; |
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| 46 | 8 int __reserved; |
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| 47 | 12 void (*__invoke)(void *); |
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| 48 | 16 struct __block_descriptor *__descriptor; |
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| 49 | }; |
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| 50 | */ |
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| 51 | |
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