rust/src/test/codegen/personality_lifetimes.rs
2018-12-25 21:08:33 -07:00

32 lines
666 B
Rust

// ignore-msvc
// 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();
let _t = S;
might_unwind();
}