| /* 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 c = 3; |
| int d = -5; |
| int e = 3; |
| int f = -100; |
| |
| while (a) |
| { |
| /* Exercises higher order polynomials. */ |
| a = a + b; /* a -> {-100, +, 2, +, 3, +, 4}_1 */ |
| b = b + c; /* b -> {2, +, 3, +, 4}_1 */ |
| c = c + 4; /* c -> {3, +, 4}_1 */ |
| |
| d = d + 4; /* d -> {-5, +, 4}_1 */ |
| e = e + d; /* e -> {3, +, -1, +, 4}_1 */ |
| f = f + e; /* f -> {-100, +, 2, +, 3, +, 4}_1 */ |
| |
| if (a != f) /* (a == f) -> {-98, +, 5, +, 7, +, 4}_1 */ |
| remove_me (); |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "remove_me" 0 "optimized"} } */ |
