blob: 094364e642439724e6ef895a6b3f82b3359f3748 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* { dg-do run } */
/* { dg-options "-O -fdump-tree-phiopt -fdump-tree-optimized -g" } */
#include <stdint.h>
__attribute__ ((noipa, noinline))
uint8_t three_min (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_min (xc, xm, xy) != 0)
__builtin_abort ();
return 0;
}
/* After phiopt1, will be only 2 MIN_EXPR in the IR (including debug statements). */
/* xk will only have the final result so the extra debug info does not change anything. */
/* { dg-final { scan-tree-dump-times "MIN_EXPR" 2 "phiopt1" } } */
/* { dg-final { scan-tree-dump-times "MIN_EXPR" 2 "optimized" } } */
/* { dg-final { scan-tree-dump-times "MAX_EXPR" 0 "phiopt1" } } */
|
