[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / minmax-4.c

/* { dg-do run } */
/* { dg-options "-O -fdump-tree-phiopt" } */

#include <stdint.h>

__attribute__ ((noipa, noinline))
uint8_t three_max (uint8_t xc, uint8_t xm, uint8_t xy) {
    uint8_t	 xk;
    if (xc > xm) {
        xk = (uint8_t) (xc > xy ? xc : xy);
    } else {
        xk = (uint8_t) (xm > xy ? xm : xy);
    }
    return xk;
}

int
main (void)
{
  volatile uint8_t xy = 255;
  volatile uint8_t xm = 0;
  volatile uint8_t xc = 127;
  if (three_max (xc, xm, xy) != 255)
    __builtin_abort ();
  return 0;
}

/* { dg-final { scan-tree-dump-times "MIN_EXPR" 0 "phiopt1" } } */
/* { dg-final { scan-tree-dump-times "MAX_EXPR" 2 "phiopt1" } } */
Commit	Line	Data
37ebaabd	1	/* { dg-do run } */
9bb19e14 TC	2	/* { dg-options "-O -fdump-tree-phiopt" } */
	3
	4	#include <stdint.h>
	5
37ebaabd	6	__attribute__ ((noipa, noinline))
9bb19e14 TC	7	uint8_t three_max (uint8_t xc, uint8_t xm, uint8_t xy) {
	8	uint8_t xk;
	9	if (xc > xm) {
	10	xk = (uint8_t) (xc > xy ? xc : xy);
	11	} else {
	12	xk = (uint8_t) (xm > xy ? xm : xy);
	13	}
	14	return xk;
	15	}
	16
37ebaabd TC	17	int
	18	main (void)
	19	{
	20	volatile uint8_t xy = 255;
	21	volatile uint8_t xm = 0;
	22	volatile uint8_t xc = 127;
	23	if (three_max (xc, xm, xy) != 255)
	24	__builtin_abort ();
	25	return 0;
	26	}
	27
9bb19e14	28	/* { dg-final { scan-tree-dump-times "MIN_EXPR" 0 "phiopt1" } } */
d256dc28	29	/* { dg-final { scan-tree-dump-times "MAX_EXPR" 2 "phiopt1" } } */