| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-forwprop1" } */ |
| |
| int use_fn (int a); |
| |
| int foo (int n) |
| { |
| int b1 = 8 * (n + 1); |
| int b2 = 8 * n; |
| |
| use_fn (b1 ^ b2); |
| |
| return b1 - b2; |
| } |
| |
| unsigned goo (unsigned m_param, unsigned n_param) |
| { |
| unsigned b1 = m_param * (n_param + 2); |
| unsigned b2 = m_param * (n_param + 1); |
| |
| use_fn (b1 ^ b2); |
| |
| return b1 - b2; |
| } |
| |
| unsigned hoo (unsigned k_param) |
| { |
| unsigned b1 = k_param * 28; |
| unsigned b2 = k_param * 15; |
| unsigned b3 = k_param * 12; |
| |
| use_fn (b1 ^ b2 ^ b3); |
| |
| return (b1 - b2) - b3; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "return 8;" 1 "forwprop1" } } */ |
| /* { dg-final { scan-tree-dump-times "return m_param" 1 "forwprop1" } } */ |
| /* { dg-final { scan-tree-dump-not "return k_param" "forwprop1" } } */ |
