1 /* A test for strength reduction and induction variable elimination.
2 Target is restricted to x86 type architectures, so that we may
3 assume something about memory addressing modes. */
5 /* { dg-do compile { target { { i?86-*-* x86_64-*-* } && nonpic } } } */
6 /* { dg-options "-O1 -fdump-tree-optimized" } */
16 for (iter
= 0; iter
< 100; iter
++)
17 arr_base
[iter
] = foo (iter
);
20 /* Access to arr_base[iter].y should not be strength reduced, since
21 we have a memory mode including multiplication by 4. */
23 /* { dg-final { scan-tree-dump-times "MEM" 1 "optimized" } } */
24 /* { dg-final { scan-tree-dump-times "step:" 1 "optimized" } } */
26 /* And original induction variable should be preserved. */
28 /* { dg-final { scan-tree-dump-times "int iter" 1 "optimized" } } */