gcc/testsuite/gcc.dg/tree-ssa/minmax-11.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O -fdump-tree-optimized" } */
   3
   4 #include <stdint.h>
   5
   6
   7 __attribute__ ((noipa, noinline))
   8 uint8_t three_minmax1 (uint8_t xc, uint8_t xm, uint8_t xy) {
   9         uint8_t  xk;
  10     xc=~xc;
  11     xm=~xm;
  12     xy=~xy;
  13     if (xc > xm) {
  14         xk = (uint8_t) (xc < xy ? xc : xy);
  15     } else {
  16         xk = (uint8_t) (xm < xy ? xm : xy);
  17     }
  18     return xk;
  19 }
  20
  21 int
  22 main (void)
  23 {
  24   volatile uint8_t xy = 255;
  25   volatile uint8_t xm = 0;
  26   volatile uint8_t xc = 127;
  27   if (three_minmax1 (xc, xm, xy) != 0)
  28     __builtin_abort ();
  29   return 0;
  30 }
  31
  32 /* { dg-final { scan-tree-dump-times "MIN_EXPR" 1 "optimized" } } */
  33 /* { dg-final { scan-tree-dump-times "MAX_EXPR" 1 "optimized" } } */
  34 /* { dg-final { scan-tree-dump-times "= ~" 1 "optimized" } } */