rust/tests/mir-opt/inline/asm_unwind.rs

29 lines
614 B
Rust

// Tests inlining of `may_unwind` inline assembly.
//
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
//@ needs-asm-support
//@ needs-unwind
//@ compile-flags: -Zinline-mir-hint-threshold=1000
#![feature(asm_unwind)]
struct D;
impl Drop for D {
fn drop(&mut self) {}
}
#[inline]
fn foo() {
let _d = D;
unsafe { std::arch::asm!("", options(may_unwind)) };
}
// EMIT_MIR asm_unwind.main.Inline.diff
pub fn main() {
// CHECK-LABEL: fn main(
// CHECK: (inlined foo)
// CHECK: asm!("", options(MAY_UNWIND)) -> [return: {{bb.*}}, unwind: [[unwind:bb.*]]];
// CHECK: [[unwind]] (cleanup)
foo();
}