| /* { dg-require-effective-target vect_condition } */ |
| /* { dg-additional-options "-fdump-tree-vect-details" } */ |
| |
| #include "tree-vect.h" |
| |
| #define N 128 |
| |
| __attribute__((noinline, noclone)) void |
| foo (int *a, int stride) |
| { |
| int i; |
| |
| for (i = 0; i < N/stride; i++, a += stride) |
| { |
| a[0] = a[0] ? 1 : 5; |
| a[1] = a[1] ? 2 : 6; |
| a[2] = a[2] ? 3 : 7; |
| a[3] = a[3] ? 4 : 8; |
| } |
| } |
| |
| |
| int a[N]; |
| int main () |
| { |
| int i; |
| |
| check_vect (); |
| |
| for (i = 0; i < N; i++) |
| { |
| a[i] = i; |
| asm volatile ("" ::: "memory"); |
| } |
| |
| foo (a, 4); |
| |
| for (i = 1; i < N; i++) |
| if (a[i] != i%4 + 1) |
| abort (); |
| |
| if (a[0] != 5) |
| abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump {(no need for alias check [^\n]* when VF is 1|no alias between [^\n]* when [^\n]* is outside \(-16, 16\))} "vect" { target vect_element_align } } } */ |
| /* { dg-final { scan-tree-dump-times "loop vectorized" 1 "vect" { target { vect_element_align && { ! amdgcn-*-* } } } } } */ |
| /* { dg-final { scan-tree-dump-times "loop vectorized" 2 "vect" { target amdgcn-*-* } } } */ |
| |