1 /* A test for # of iterations estimation. We know that I does not overflow,
2 thus we can perform strength reduction (even though the 32-bit variable
3 i is first extended to 64-bit type). */
4
5 /* { dg-options "-O2 -fdump-tree-optimized" } */
6 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
7
8 unsigned bar(void);
9
foo(unsigned * p,unsigned n)10 void foo(unsigned *p, unsigned n)
11 {
12 unsigned i;
13
14 for (i = 0; i < n; i++)
15 p[i] = bar ();
16 }
17
18 /* Check that the memory reference was replaced with MEM, and that there is no
19 multiplication. */
20
21 /* { dg-final { scan-tree-dump-times "MEM" 1 "optimized" } } */
22 /* { dg-final { scan-tree-dump-times "\[^\\n\\r\]*= \\* " 0 "optimized" } } */
23
24