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/* Verify straight-line strength reduction for multiply candidates
with variable stride and control flow. */
/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-optimized" } */
int
f (int n, int x, int stride)
{
int a, x1, x2, x3;
a = x * stride;
x1 = x + 3;
a += x1 * stride;
if (n > 64)
{
x2 = x1 + 3;
a += x2 * stride;
x3 = x2 + 3;
a += x3 * stride;
}
return a;
}
/* { dg-final { scan-tree-dump-times " \\* stride" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times " \\* 3" 1 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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