| /* APPLE LOCAL file lno */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O1 -fdump-tree-optimized" } */ |
| |
| void remove_me (void); |
| |
| int main(void) |
| { |
| int a = -100; |
| int b = 2; |
| int d = -1; |
| int e = -100; |
| |
| while (a) |
| { |
| /* Exercises higher order polynomials. */ |
| a = a + b; /* a -> {-100, +, {2, +, 3}_1}_1 */ |
| b = b + 3; /* b -> {2, +, 3}_1 */ |
| |
| d = d + 3; /* d -> {-1, +, 3}_1 */ |
| e = e + d; /* e -> {-100, +, {2, +, 3}_1}_1 */ |
| |
| if (a != e) /* a -> {-98, +, {5, +, 3}_1}_1 */ |
| remove_me (); |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "remove_me" 0 "optimized"} } */ |
