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Auto merge of rust-lang#118075 - tmiasko:validate-critical-call-edges…
…, r=cjgillot Validate there are no critical call edges in optimized MIR
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// Optimized MIR shouldn't have critical call edges | ||
// | ||
// build-fail | ||
// edition: 2021 | ||
// compile-flags: --crate-type=lib | ||
// failure-status: 101 | ||
// dont-check-compiler-stderr | ||
// error-pattern: encountered critical edge in `Call` terminator | ||
#![feature(custom_mir, core_intrinsics)] | ||
use core::intrinsics::mir::*; | ||
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||
#[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), bb2, UnwindTerminate(ReasonAbi)) | ||
} | ||
|
||
bb2 = { | ||
RET = 2; | ||
Return() | ||
} | ||
) | ||
} |