1 /* { dg-require-effective-target vect_condition } */
2
3 #include "tree-vect.h"
4
5 extern void abort (void) __attribute__ ((noreturn));
6
7 #define N 32
8
9 /* Simple condition reduction. */
10
11 int
condition_reduction(int * a,int min_v)12 condition_reduction (int *a, int min_v)
13 {
14 int last = 66; /* High start value. */
15
16 for (int i = 0; i < N; i++)
17 if (a[i] < min_v)
18 last = i;
19
20 return last;
21 }
22
23 int
main(void)24 main (void)
25 {
26 int a[N] = {
27 11, -12, 13, 14, 15, 16, 17, 18, 19, 20,
28 1, 2, -3, 4, 5, 6, 7, -8, 9, 10,
29 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
30 31, 32
31 };
32
33 check_vect ();
34
35 int ret = condition_reduction (a, 1);
36
37 if (ret != 17)
38 abort ();
39
40 return 0;
41 }
42
43 /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 2 "vect" } } */
44 /* { dg-final { scan-tree-dump-times "optimizing condition reduction with FOLD_EXTRACT_LAST" 4 "vect" { target vect_fold_extract_last } } } */
45 /* { dg-final { scan-tree-dump-times "condition expression based on integer induction." 4 "vect" { target { ! vect_fold_extract_last } } } } */
46