/
scalar-pair-bool.rs
54 lines (47 loc) · 1.63 KB
/
scalar-pair-bool.rs
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// 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.
// compile-flags: -O
#![crate_type = "lib"]
// CHECK: define { i8, i8 } @pair_bool_bool(i1 zeroext %pair.0, i1 zeroext %pair.1)
#[no_mangle]
pub fn pair_bool_bool(pair: (bool, bool)) -> (bool, bool) {
pair
}
// CHECK: define { i8, i32 } @pair_bool_i32(i1 zeroext %pair.0, i32 %pair.1)
#[no_mangle]
pub fn pair_bool_i32(pair: (bool, i32)) -> (bool, i32) {
pair
}
// CHECK: define { i32, i8 } @pair_i32_bool(i32 %pair.0, i1 zeroext %pair.1)
#[no_mangle]
pub fn pair_i32_bool(pair: (i32, bool)) -> (i32, bool) {
pair
}
// CHECK: define { i8, i8 } @pair_and_or(i1 zeroext %arg0.0, i1 zeroext %arg0.1)
#[no_mangle]
pub fn pair_and_or((a, b): (bool, bool)) -> (bool, bool) {
// Make sure it can operate directly on the unpacked args
// CHECK: and i1 %arg0.0, %arg0.1
// CHECK: or i1 %arg0.0, %arg0.1
(a && b, a || b)
}
// CHECK: define void @pair_branches(i1 zeroext %arg0.0, i1 zeroext %arg0.1)
#[no_mangle]
pub fn pair_branches((a, b): (bool, bool)) {
// Make sure it can branch directly on the unpacked bool args
// CHECK: br i1 %arg0.0
if a {
println!("Hello!");
}
// CHECK: br i1 %arg0.1
if b {
println!("Goodbye!");
}
}