rust/tests/codegen-llvm/vec-optimizes-away.rs
2025-07-22 14:28:48 +02:00

13 lines
373 B
Rust

//@ compile-flags: -Copt-level=3
#![crate_type = "lib"]
#[no_mangle]
pub fn sum_me() -> i32 {
// CHECK-LABEL: @sum_me
// CHECK-NEXT: {{^.*:$}}
// CHECK-NEXT: ; call __rustc::__rust_no_alloc_shim_is_unstable_v2
// CHECK-NEXT: tail call void @_R{{.+}}__rust_no_alloc_shim_is_unstable_v2()
// CHECK-NEXT: ret i32 6
vec![1, 2, 3].iter().sum::<i32>()
}