rust/tests/codegen/personality_lifetimes.rs

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// ignore-msvc
// ignore-wasm32-bare compiled with panic=abort by default
// needs-unwind
// 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: [[SLOT:%[0-9]+]] = alloca { {{i8\*|ptr}}, i32 }
// CHECK-LABEL: cleanup:
// CHECK: call void @llvm.lifetime.start.{{.*}}({{.*}})
// CHECK-LABEL: cleanup1:
// CHECK: call void @llvm.lifetime.start.{{.*}}({{.*}})
might_unwind();
let _t = S;
might_unwind();
}