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      1 //===-- main.c --------------------------------------------------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 #include <stdint.h>
     10 #include <stdio.h>
     11 int main (int argc, char const *argv[])
     12 {
     13     struct Bits
     14     {
     15         uint32_t    : 1, // Unnamed bitfield
     16                     b1 : 1,
     17                     b2 : 2,
     18                     : 2, // Unnamed bitfield
     19                     b3 : 3,
     20                     : 2, // Unnamed bitfield (this will get removed)
     21                     b4 __attribute__ ((align(16))),
     22                     b5 : 5,
     23                     b6 : 6,
     24                     b7 : 7,
     25                     four : 4;
     26     };
     27 
     28     printf("%lu", sizeof(struct Bits));
     29 
     30     struct Bits bits;
     31     int i;
     32     for (i=0; i<(1<<1); i++)
     33         bits.b1 = i;        //// break $source:$line
     34     for (i=0; i<(1<<2); i++)
     35         bits.b2 = i;        //// break $source:$line
     36     for (i=0; i<(1<<3); i++)
     37         bits.b3 = i;        //// break $source:$line
     38     for (i=0; i<(1<<4); i++)
     39         bits.b4 = i;        //// break $source:$line
     40     for (i=0; i<(1<<5); i++)
     41         bits.b5 = i;        //// break $source:$line
     42     for (i=0; i<(1<<6); i++)
     43         bits.b6 = i;        //// break $source:$line
     44     for (i=0; i<(1<<7); i++)
     45         bits.b7 = i;        //// break $source:$line
     46     for (i=0; i<(1<<4); i++)
     47         bits.four = i;      //// break $source:$line
     48 
     49     struct MoreBits
     50     {
     51         uint32_t    a : 3;
     52         uint8_t       : 1;
     53         uint8_t     b : 1;
     54         uint8_t     c : 1;
     55         uint8_t     d : 1;
     56     };
     57 
     58     struct MoreBits more_bits;
     59 
     60     more_bits.a = 3;
     61     more_bits.b = 0;
     62     more_bits.c = 1;
     63     more_bits.d = 0;
     64 
     65     return 0;               //// Set break point at this line.
     66 
     67 }
     68