summaryrefslogtreecommitdiffstats
path: root/tests/codegen/vec-optimizes-away.rs
blob: 9143fad23408749b278aef4eb428397195a4db1d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
// ignore-debug: the debug assertions get in the way
// 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>()
}