1  /* PR tree-optimization/88753 */
       2  /* { dg-options "-O2 -fdump-tree-switchconv" } */
       3  /* { dg-do run { target nonpic } } */
       4  
       5  typedef unsigned short int uint16_t;
       6  typedef unsigned char uint8_t;
       7  
       8  uint16_t length;
       9  uint16_t enc_method_global;
      10  
      11  uint8_t
      12  __attribute__((noipa))
      13  _zip_buffer_get_8(int buffer)
      14  {
      15    return buffer;
      16  }
      17  
      18    int
      19    __attribute__((noipa))
      20  foo(int v)
      21  {
      22    uint16_t enc_method;
      23    switch (_zip_buffer_get_8(v)) {
      24      case 1:
      25        enc_method = 0x0101;
      26        break;
      27      case 2:
      28        enc_method = 0x0102;
      29        break;
      30      case 3:
      31        enc_method = 0x0103;
      32        break;
      33      default:
      34        __builtin_abort ();
      35    }
      36  
      37    enc_method_global = enc_method;
      38  }
      39  
      40  int main(int argc, char **argv)
      41  {
      42    foo (1);
      43    if (enc_method_global != 0x0101)
      44      __builtin_abort ();
      45  
      46    foo (2);
      47    if (enc_method_global != 0x0102)
      48      __builtin_abort ();
      49  
      50    foo (3);
      51    if (enc_method_global != 0x0103)
      52      __builtin_abort ();
      53  
      54    return 0;
      55  }
      56  
      57  /* { dg-final { scan-tree-dump-times "Linear transformation with A = 1 and B = 256" 1 "switchconv" } } */