54b6b23fc0
This fixes an optimization regression by allowing LLVM to see through more functions. Closes #43272
22 lines
694 B
Rust
22 lines
694 B
Rust
// Copyright 2017 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.
|
|
//
|
|
// no-system-llvm
|
|
// compile-flags: -O
|
|
#![crate_type="lib"]
|
|
|
|
#[no_mangle]
|
|
pub fn sum_me() -> i32 {
|
|
// CHECK-LABEL: @sum_me
|
|
// CHECK-NEXT: {{^.*:$}}
|
|
// CHECK-NEXT: ret i32 6
|
|
vec![1, 2, 3].iter().sum::<i32>()
|
|
}
|