clang/test/CodeGen/bool-bitfield.c

   1 // RUN: %clang_cc1 -emit-llvm %s -o %t
   2
   3 // From GCC PR19331
   4 struct SysParams
   5 {
   6  unsigned short tag;
   7  unsigned short version;
   8  unsigned int seqnum;
   9  int contrast;
  10  int igain_1, igain_2;
  11  int oattn_1, oattn_2;
  12  int max_out_vltg_1, max_out_vltg_2;
  13  int max_mains_current;
  14  int meters_mode;
  15  int input_select;
  16  _Bool input_parallelch2:1;
  17  _Bool cliplmt_ch1:1;
  18  _Bool cliplmt_ch2:1;
  19  _Bool gate_ch1:1;
  20  _Bool gate_ch2:1;
  21  _Bool mute_ch1:1;
  22  _Bool mute_ch2:1;
  23  _Bool brownout:1;
  24  _Bool power_on:1;
  25  _Bool pwrup_mute:1;
  26  _Bool keylock:1;
  27  _Bool dsp_ch1:1;
  28  _Bool dsp_ch2:1;
  29  int dsp_preset;
  30  long unlock_code;
  31 };
  32 extern struct SysParams params;
  33
  34 void foo(void *);
  35 void kcmd_setParams(void)
  36 {
  37  struct {
  38   unsigned char igain_1;
  39   unsigned char igain_2;
  40   unsigned char max_out_vltg_1;
  41   unsigned char max_out_vltg_2;
  42   unsigned char max_imains;
  43   unsigned char cliplmt_ch1:1;
  44   unsigned char cliplmt_ch2:1;
  45   unsigned char gate_ch1:1;
  46   unsigned char gate_ch2:1;
  47  } msg;
  48  foo(&msg);
  49  params.cliplmt_ch1 = msg.cliplmt_ch1;
  50  params.cliplmt_ch2 = msg.cliplmt_ch2;
  51  params.gate_ch1 = msg.gate_ch1;
  52  params.gate_ch2 = msg.gate_ch2;
  53 }
  54