| /* APPLE LOCAL file lno */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O1 -floop-test -fdump-tree-lptest-details" } */ |
| |
| |
| int bar (void); |
| |
| int foo (int x) |
| { |
| int a = -100; |
| int b = 2; |
| |
| while (b) |
| { |
| if (x) |
| a += 3; |
| else |
| a += bar (); |
| |
| /* Exercises the case when one of the branches of the if-phi-node cannot |
| be determined: [-oo, +oo]. |
| Since the evolution function is too difficult to handle in the expanded |
| form, we have to keep it in its symbolic form: "b -> {2, +, a_1}_1". */ |
| b += a; |
| } |
| } |
| |
| /* a -> {-100, +, [min<t, 3>, max<t, 3>]}_1 |
| b -> {2, +, {[min<t, 3>, max<t, 3>] - 100, +, [min<t, 3>, max<t, 3>]}_1}_1 |
| */ |
| |
| /* FIXME. */ |
