no-assumes-on-casts.rs

// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![crate_type = "lib"]

// compile-flags: -Cno-prepopulate-passes

// CHECK-LABEL: fna
#[no_mangle]
pub fn fna(a: i16) -> i32 {
    a as i32
// CHECK-NOT: assume
// CHECK: sext
}

// CHECK-LABEL: fnb
#[no_mangle]
pub fn fnb(a: u16) -> u32 {
    a as u32
// CHECK-NOT: assume
// CHECK: zext
}