mirror of https://github.com/rust-lang/rust
22 lines
537 B
Rust
22 lines
537 B
Rust
//@ compile-flags: -C opt-level=3
|
|
//@ min-llvm-version: 17.0.2
|
|
#![crate_type = "lib"]
|
|
|
|
// Regression test for issue 97217 (the following should result in no allocations)
|
|
|
|
// CHECK-LABEL: @issue97217
|
|
#[no_mangle]
|
|
pub fn issue97217() -> i32 {
|
|
// drop_in_place should be inlined and never appear
|
|
// CHECK-NOT: drop_in_place
|
|
|
|
// __rust_alloc should be optimized out
|
|
// CHECK-NOT: __rust_alloc
|
|
|
|
let v1 = vec![5, 6, 7];
|
|
let v1_iter = v1.iter();
|
|
let total: i32 = v1_iter.sum();
|
|
println!("{}",total);
|
|
total
|
|
}
|