| // Test that `wrapping_div` only checks divisor once. |
| // This test checks that there is only a single compare against -1 and -1 is not present as a |
| // switch case (the second check present until rustc 1.12). |
| // This test also verifies that a single panic call is generated (for the division by zero case). |
| |
| //@ compile-flags: -O |
| #![crate_type = "lib"] |
| |
| // CHECK-LABEL: @f |
| #[no_mangle] |
| pub fn f(x: i32, y: i32) -> i32 { |
| // CHECK-COUNT-1: icmp eq i32 %y, -1 |
| // CHECK-COUNT-1: panic |
| // CHECK-NOT: i32 -1, label |
| x.wrapping_div(y) |
| } |
