rust/tests/mir-opt/tail_call_drops.rs

42 lines
920 B
Rust

// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
#![allow(incomplete_features)]
#![feature(explicit_tail_calls)]
// EMIT_MIR tail_call_drops.f.built.after.mir
// Expected result:
// drop(_d) -> drop(_c) -> drop(_a) -> tailcall g()
//
// EMIT_MIR tail_call_drops.f.ElaborateDrops.diff
// Expected result:
// drop(_d) -> drop(_a) -> tailcall g()
fn f() {
let _a = String::new();
let _b = 12;
let _c = String::new();
let _d = String::new();
drop(_c);
become g();
}
fn g() {}
// EMIT_MIR tail_call_drops.f_with_arg.built.after.mir
// EMIT_MIR tail_call_drops.f_with_arg.ElaborateDrops.diff
fn f_with_arg(_arg1: String, _arg2: String) {
let _a = String::new();
let _b = 12;
let _c = String::new();
let _d = String::new();
drop(_c);
become g_with_arg(String::new(), String::new());
}
fn g_with_arg(_arg1: String, _arg2: String) {}
fn main() {}