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/* A test for strength reduction and induction variable elimination. */
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-vars" } */
/* Size of this structure should be sufficiently weird so that no memory
addressing mode applies. */
struct bla
{
char x[187];
int y;
char z[253];
} arr_base[100];
void xxx(void)
{
int iter;
for (iter = 0; iter < 100; iter++)
arr_base[iter].y = 17 * iter;
}
/* Access to arr_base[iter].y should be strength reduced. */
/* { dg-final { scan-tree-dump-times "arr_base\[^\\n\\r\]*=" 0 "vars" } } */
/* 17 * iter should be strength reduced. */
/* { dg-final { scan-tree-dump-times " \\* 17" 0 "vars" } } */
/* { dg-final { scan-tree-dump-times " \\+ 17" 1 "vars" } } */
/* The induction variable comparison with 99 should be eliminated
and replaced by comparison of the variable for 17 * iter with 1700. */
/* { dg-final { scan-tree-dump-times "1700" 1 "vars" } } */
/* { dg-final { scan-tree-dump-times "iter" 0 "vars" } } */
/* { dg-final { cleanup-tree-dump "vars" } } */
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