| // Optimized MIR shouldn't have critical call edges |
| // |
| //@ build-fail |
| //@ edition: 2021 |
| //@ compile-flags: --crate-type=lib |
| //@ failure-status: 101 |
| //@ dont-check-compiler-stderr |
| |
| #![feature(custom_mir, core_intrinsics)] |
| use core::intrinsics::mir::*; |
| |
| #[custom_mir(dialect = "runtime", phase = "optimized")] |
| #[inline(always)] |
| pub fn f(a: u32) -> u32 { |
| mir! { |
| { |
| match a { |
| 0 => bb1, |
| _ => bb2, |
| } |
| } |
| bb1 = { |
| Call(RET = f(1), ReturnTo(bb2), UnwindTerminate(ReasonAbi)) |
| //~^ ERROR broken MIR in Item |
| //~| ERROR encountered critical edge in `Call` terminator |
| } |
| |
| bb2 = { |
| RET = 2; |
| Return() |
| } |
| } |
| } |
