| // compile-flags: -C opt-level=3 |
| // ignore-debug: the debug assertions get in the way |
| // 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 |
| } |
