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/* Verify straight-line strength reduction for simple pointer subtraction. */
/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-optimized" } */
int*
f (int s, int *c)
{
int a1, a2, a3, *x1, *x2, *x3;
a1 = 2 * s;
x1 = c - a1;
a2 = 4 * s;
x2 = c - a2;
a3 = 6 * s;
x3 = c - a3;
return x1 ? x2 : x3;
}
/* There are 4 ' * ' instances in the decls (since "int * iftmp.0;" is
added), 1 parm, 2 in the code. The second one in the code can be
a widening mult. */
/* { dg-final { scan-tree-dump-times " w?\\* " 7 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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