/
personality_lifetimes.rs
39 lines (33 loc) · 1.08 KB
/
personality_lifetimes.rs
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// compile-flags: -O -C no-prepopulate-passes
#![crate_type="lib"]
struct S;
impl Drop for S {
fn drop(&mut self) {
}
}
fn might_unwind() {
}
// CHECK-LABEL: @test
#[no_mangle]
pub fn test() {
let _s = S;
// Check that the personality slot alloca gets a lifetime start in each cleanup block, not just
// in the first one.
// CHECK-LABEL: cleanup:
// CHECK: bitcast{{.*}}personalityslot
// CHECK-NEXT: call void @llvm.lifetime.start
// CHECK-LABEL: cleanup1:
// CHECK: bitcast{{.*}}personalityslot
// CHECK-NEXT: call void @llvm.lifetime.start
might_unwind();
might_unwind();
}