| /* { dg-require-effective-target vect_condition } */ |
| |
| #include "tree-vect.h" |
| |
| extern void abort (void) __attribute__ ((noreturn)); |
| |
| #define N 37 |
| |
| /* Re-use the result of the condition inside the loop. Will fail to |
| vectorize. */ |
| |
| unsigned int |
| condition_reduction (unsigned int *a, unsigned int min_v, unsigned int *b) |
| { |
| unsigned int last = N + 65; |
| |
| for (unsigned int i = 0; i < N; i++) |
| { |
| if (b[i] < min_v) |
| last = i; |
| a[i] = last; |
| } |
| return last; |
| } |
| |
| int |
| main (void) |
| { |
| unsigned int a[N] = { |
| 31, 32, 33, 34, 35, 36, 37, |
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
| 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, |
| 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 |
| }; |
| unsigned int b[N] = { |
| 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, |
| 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, |
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
| 31, 32, 33, 34, 35, 36, 37 |
| }; |
| |
| check_vect (); |
| |
| unsigned int ret = condition_reduction (a, 16, b); |
| |
| if (ret != 29) |
| abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-not "LOOP VECTORIZED" "vect" } } */ |