re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / loop-20.c
1 /* PR tree-optimization/29516 */
2
3 /* { dg-do compile { target fpic } } */
4 /* { dg-options "-O -ftree-vrp -fPIC -fdump-tree-ivopts" } */
5
6 typedef struct gfc_se { int pre; } gfc_se;
7 typedef struct gfc_ss_info { int dim[7]; } gfc_ss_info;
8 int gfc_rank_cst[7 + 1];
9 gfc_conv_array_transpose (gfc_se * se) {
10 int dest, src, dest_index, src_index;
11 gfc_ss_info *dest_info;
12 int n;
13 for (n = 0; n < 2; n++) {
14 dest_info->dim[n] = n;
15 src_index = gfc_rank_cst[1 - n];
16 a (se->pre, b (dest, dest_index), c (src, src_index));
17 }
18 }
19
20 /* Ivopts should not produce multiplication by a pointer constant. */
21
22 /* { dg-final { scan-tree-dump-times "\\* \[0-9\]*B;" 0 "ivopts" } } */
23 /* { dg-final { cleanup-tree-dump "ivopts" } } */