1  /* { dg-do run } */
       2  /* { dg-options "-O -fdump-tree-phiopt" } */
       3  
       4  #include <stdint.h>
       5  #include <stdbool.h>
       6  
       7  __attribute__ ((noinline, noipa))
       8  uint8_t three_min (uint8_t xc, uint8_t xm, uint8_t xy) {
       9      uint8_t  xk;
      10      if (xc)
      11        {
      12          if (xc < xm) {
      13              xk = (uint8_t) (xc < xy ? xc : xy);
      14          } else {
      15              xk = (uint8_t) (xm < xy ? xm : xy);
      16          }
      17        }
      18  
      19      return xk;
      20  }
      21  
      22  int
      23  main (void)
      24  {
      25    volatile uint8_t xy = 255;
      26    volatile uint8_t xm = 0;
      27    volatile uint8_t xc = 127;
      28    if (three_min (xc, xm, xy) != 0)
      29      __builtin_abort ();
      30    return 0;
      31  }
      32  
      33  /* { dg-final { scan-tree-dump-times "MIN_EXPR" 3 "phiopt1" } } */
      34  /* { dg-final { scan-tree-dump-times "MAX_EXPR" 0 "phiopt1" } } */