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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.layout2// RUN: FileCheck --input-file=%t-32.layout %s3 4@class NSString;5extern void NSLog(NSString *format, ...);6extern int printf(const char *, ...);7 8int main(void) {9 NSString *strong;10 unsigned long long eightByte = 0x8001800181818181ull;11 // Test112 // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:013 void (^block1)(void) = ^{ printf("%#llx", eightByte); NSLog(@"%@", strong); };14 15 // Test216 int i = 1;17 // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:018 void (^block2)(void) = ^{ printf("%#llx, %d", eightByte, i); NSLog(@"%@", strong); };19 20 // Test321 char ch = 'a';22 // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:023 void (^block3)(void) = ^{ printf("%c %#llx", ch, eightByte); NSLog(@"%@", strong); };24 25 // Test426 unsigned long fourByte = 0x8001ul;27 // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:028 void (^block4)(void) = ^{ printf("%c %#lx", ch, fourByte); NSLog(@"%@", strong); };29 30 // Test531 // Nothing gets printed here since the descriptor of this block is merged with32 // the descriptor of Test3's block.33 void (^block5)(void) = ^{ NSLog(@"%@", strong); printf("%c %#llx", ch, eightByte); };34 35 // Test636 // CHECK: Block variable layout: BL_OPERATOR:037 void (^block6)(void) = ^{ printf("%#llx", eightByte); };38}39 40/**41struct __block_literal_generic { // 32bytes (64bit) and 20 bytes (32bit).420 void *__isa;434 int __flags;448 int __reserved;4512 void (*__invoke)(void *);4616 struct __block_descriptor *__descriptor;47};48*/49