gcc/testsuite/gcc.dg/torture/pr50222.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-funswitch-loops -ftree-loop-distribution" } */
   3
   4 typedef struct AVProgram {
   5     void *priv_data;
   6     unsigned int nb_streams;
   7 } AVFormatContext;
   8 typedef struct {
   9     unsigned short flags;
  10     unsigned char stream_id;
  11 } FrameCode;
  12 typedef struct {
  13     FrameCode frame_code[256];
  14 } NUTContext;
  15 void build_frame_code(AVFormatContext *s, int stream_id,
  16                       int is_audio, int pred_count)
  17 {
  18   NUTContext *nut = s->priv_data;
  19   int keyframe_0_esc = s->nb_streams > 2;
  20   int start2 = 1 + 253*stream_id / s->nb_streams;
  21   int key_frame;
  22   for(key_frame=0; key_frame<2; key_frame++)
  23     {
  24       FrameCode *ft;
  25       if (is_audio && keyframe_0_esc && key_frame==0)
  26         continue;
  27       ft= &nut->frame_code[start2];
  28       ft->flags|= 3;
  29       ft->stream_id= stream_id;
  30     }
  31 }