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// skip-filecheck
#![feature(custom_mir, core_intrinsics)]
#![crate_type = "lib"]
use std::intrinsics::mir::*;
//@ unit-test: SimplifyCfg-after-uninhabited-enum-branching
// EMIT_MIR simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-uninhabited-enum-branching.diff
#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
pub unsafe fn assert_nonzero_nonmax(x: u8) -> u8 {
mir!(
{
match x {
0 => unreachable1,
u8::MAX => unreachable2,
_ => retblock,
}
}
unreachable1 = {
Unreachable()
}
unreachable2 = {
Unreachable()
}
retblock = {
RET = x;
Return()
}
)
}
|
