re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / 20031106-5.c
1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-optimized" } */
3
4 extern void link_error (void);
5
6 /* Check for cprop on different fields of same type structs. */
7
8 struct s
9 {
10 char d;
11 int a, b;
12 double m;
13 };
14
15 void foo2 (struct s* r, struct s* p)
16 {
17 r->a = 0;
18 p->b = 1;
19 r->a++;
20 p->b++;
21 if (r->a != 1)
22 link_error ();
23 if (p->b != 2)
24 link_error ();
25 }
26
27 /* There should be no link_error calls. */
28 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" { xfail *-*-* } } } */
29 /* { dg-final { cleanup-tree-dump "optimized" } } */