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      1 // RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple x86_64-apple-darwin -print-ivar-layout -emit-llvm -o /dev/null %s > %t-64.layout
      2 // RUN: FileCheck --input-file=%t-64.layout %s
      3 // 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
      4 // RUN: FileCheck -check-prefix=CHECK-i386 --input-file=%t-32.layout %s
      5 // rdar://12184410
      6 
      7 void x(id y) {}
      8 void y(int a) {}
      9 
     10 extern id opaque_id();
     11 
     12 void f() {
     13     __block int byref_int = 0;
     14     const id bar = (id) opaque_id();
     15     id baz = 0;
     16     __strong id strong_void_sta;
     17     __block id byref_bab = (id)0;
     18     __block id bl_var1;
     19 
     20 // CHECK: Inline instruction for block variable layout: 0x0100
     21 // CHECK-i386: Inline instruction for block variable layout: 0x0100
     22     void (^b)() = ^{
     23         x(bar);
     24     };    
     25 
     26 // CHECK: Inline instruction for block variable layout: 0x0210
     27 // CHECK-i386: Inline instruction for block variable layout: 0x0210
     28     void (^c)() = ^{
     29         x(bar);
     30         x(baz);
     31         byref_int = 1;
     32     };    
     33 
     34 // CHECK: Inline instruction for block variable layout: 0x0230
     35 // CHECK-i386: Inline instruction for block variable layout: 0x0230
     36     void (^d)() = ^{
     37         x(bar);
     38         x(baz);
     39         byref_int = 1;
     40         bl_var1 = 0;
     41         byref_bab = 0;
     42     };
     43 
     44 // CHECK: Inline instruction for block variable layout: 0x0231
     45 // CHECK-i386: Inline instruction for block variable layout: 0x0231
     46     __weak id wid;
     47     id (^e)() = ^{
     48         x(bar);
     49         x(baz);
     50         byref_int = 1;
     51         bl_var1 = 0;
     52         byref_bab = 0;
     53         return wid;
     54     };
     55 
     56 // CHECK: Inline instruction for block variable layout: 0x0235
     57 // CHECK-i386: Inline instruction for block variable layout: 0x0235
     58     __weak id wid1, wid2, wid3, wid4;
     59     id (^f)() = ^{
     60         x(bar);
     61         x(baz);
     62         byref_int = 1;
     63         bl_var1 = 0;
     64         byref_bab = 0;
     65         x(wid1);
     66         x(wid2);
     67         x(wid3);
     68         x(wid4);
     69         return wid;
     70     };
     71 
     72 // CHECK: Inline instruction for block variable layout: 0x035
     73 // CHECK-i386: Inline instruction for block variable layout: 0x035
     74     id (^g)() = ^{
     75         byref_int = 1;
     76         bl_var1 = 0;
     77         byref_bab = 0;
     78         x(wid1);
     79         x(wid2);
     80         x(wid3);
     81         x(wid4);
     82         return wid;
     83     };
     84 
     85 // CHECK: Inline instruction for block variable layout: 0x01
     86 // CHECK-i386: Inline instruction for block variable layout: 0x01
     87     id (^h)() = ^{
     88         return wid;
     89     };
     90 
     91 // CHECK: Inline instruction for block variable layout: 0x020
     92 // CHECK-i386: Inline instruction for block variable layout: 0x020
     93     void (^ii)() = ^{
     94        byref_int = 1;
     95        byref_bab = 0;
     96     };
     97 
     98 // CHECK: Inline instruction for block variable layout: 0x0102
     99 // CHECK-i386: Inline instruction for block variable layout: 0x0102
    100     void (^jj)() = ^{
    101       x(bar);
    102       x(wid1);
    103       x(wid2);
    104     };
    105 }
    106 
    107 // rdar://12752901
    108 @class NSString;
    109 extern void NSLog(NSString *format, ...);
    110 typedef void (^dispatch_block_t)(void);
    111 int main() {
    112         __strong NSString *s1 = 0;
    113         __strong NSString *s2 = 0;
    114         __weak NSString *w1 = 0;
    115 
    116 
    117 // CHECK: Inline instruction for block variable layout: 0x0201
    118 // CHECK-i386: Inline instruction for block variable layout: 0x0201
    119         dispatch_block_t block2 = ^{
    120                 NSLog(@"%@, %@, %@", s1, w1, s2);
    121         };
    122 }
    123