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|
//@ compile-flags: --crate-type=lib
//@ edition:2021
//@ needs-unwind
#![feature(custom_mir, core_intrinsics)]
use core::intrinsics::mir::*;
// CHECK-LABEL: fn a()
// CHECK: bb0: {
// CHECK-NEXT: a() -> [return: bb1, unwind unreachable];
#[custom_mir(dialect = "runtime", phase = "optimized")]
pub fn a() {
mir!(
{
Call(RET = a(), ReturnTo(bb1), UnwindUnreachable())
}
bb1 = {
Return()
}
)
}
// CHECK-LABEL: fn b()
// CHECK: bb0: {
// CHECK-NEXT: b() -> [return: bb1, unwind continue];
#[custom_mir(dialect = "runtime", phase = "optimized")]
pub fn b() {
mir!(
{
Call(RET = b(), ReturnTo(bb1), UnwindContinue())
}
bb1 = {
Return()
}
)
}
// CHECK-LABEL: fn c()
// CHECK: bb0: {
// CHECK-NEXT: c() -> [return: bb1, unwind terminate(abi)];
#[custom_mir(dialect = "runtime", phase = "optimized")]
pub fn c() {
mir!(
{
Call(RET = c(), ReturnTo(bb1), UnwindTerminate(ReasonAbi))
}
bb1 = {
Return()
}
)
}
// CHECK-LABEL: fn d()
// CHECK: bb0: {
// CHECK-NEXT: d() -> [return: bb1, unwind: bb2];
#[custom_mir(dialect = "runtime", phase = "optimized")]
pub fn d() {
mir!(
{
Call(RET = d(), ReturnTo(bb1), UnwindCleanup(bb2))
}
bb1 = {
Return()
}
bb2 (cleanup) = {
UnwindResume()
}
)
}
|
