re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / gen-vect-26.c
1 /* { dg-do run { target vect_cmdline_needed } } */
2 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fdump-tree-vect-stats" } */
3
4 #include <stdlib.h>
5
6 #define N 128
7
8 /* unaligned store. */
9
10 int main ()
11 {
12 int i;
13 char ia[N+1];
14
15 for (i = 1; i <= N; i++)
16 {
17 ia[i] = 5;
18 }
19
20 /* check results: */
21 for (i = 1; i <= N; i++)
22 {
23 if (ia[i] != 5)
24 abort ();
25 }
26
27 return 0;
28 }
29
30
31 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
32 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
33 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */
34 /* { dg-final { cleanup-tree-dump "vect" } } */