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
2// RUN: FileCheck --input-file=%t-32.layout %s
3// rdar://12184410
4// rdar://12752901
5
6@class NSString;
7extern void NSLog(NSString *format, ...);
8extern int printf(const char *, ...);
9
10int main() {
11  NSString *strong;
12  unsigned long long eightByte = 0x8001800181818181ull;
13  // Test1
14  // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
15  void (^block1)() = ^{ printf("%#llx", eightByte); NSLog(@"%@", strong); };
16
17  // Test2
18  int i = 1;
19  // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
20  void (^block2)() = ^{ printf("%#llx, %d", eightByte, i); NSLog(@"%@", strong); };
21
22  //  Test3
23  char ch = 'a';
24  // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
25  void (^block3)() = ^{ printf("%c %#llx", ch, eightByte); NSLog(@"%@", strong); };
26
27  // Test4
28  unsigned long fourByte = 0x8001ul;
29  // CHECK: Inline block variable layout: 0x0100, BL_STRONG:1, BL_OPERATOR:0
30  void (^block4)() = ^{ printf("%c %#lx", ch, fourByte); NSLog(@"%@", strong); };
31
32  // Test5
33  // Nothing gets printed here since the descriptor of this block is merged with
34  // the descriptor of Test3's block.
35  void (^block5)() = ^{ NSLog(@"%@", strong); printf("%c %#llx", ch, eightByte); };
36
37  // Test6
38  // CHECK: Block variable layout: BL_OPERATOR:0
39  void (^block6)() = ^{ printf("%#llx", eightByte); };
40}
41
42/**
43struct __block_literal_generic { // 32bytes (64bit) and 20 bytes (32bit).
440  void *__isa;
454  int __flags;
468  int __reserved;
4712  void (*__invoke)(void *);
4816  struct __block_descriptor *__descriptor;
49};
50*/
51