[rustc.git] / compiler / rustc_mir_transform / src / marker.rs

use std::borrow::Cow;

use crate::MirPass;
use rustc_middle::mir::{Body, MirPhase};
use rustc_middle::ty::TyCtxt;

/// Changes the MIR phase without changing the MIR itself.
pub struct PhaseChange(pub MirPhase);

impl<'tcx> MirPass<'tcx> for PhaseChange {
    fn phase_change(&self) -> Option<MirPhase> {
        Some(self.0)
    }

    fn name(&self) -> Cow<'_, str> {
        Cow::from(format!("PhaseChange-{:?}", self.0))
    }

    fn run_pass(&self, _: TyCtxt<'tcx>, _body: &mut Body<'tcx>) {}
}
Commit	Line	Data
a2a8927a XL	1	use std::borrow::Cow;
	2
	3	use crate::MirPass;
	4	use rustc_middle::mir::{Body, MirPhase};
	5	use rustc_middle::ty::TyCtxt;
	6
	7	/// Changes the MIR phase without changing the MIR itself.
	8	pub struct PhaseChange(pub MirPhase);
	9
	10	impl<'tcx> MirPass<'tcx> for PhaseChange {
	11	fn phase_change(&self) -> Option<MirPhase> {
	12	Some(self.0)
	13	}
	14
	15	fn name(&self) -> Cow<'_, str> {
	16	Cow::from(format!("PhaseChange-{:?}", self.0))
	17	}
	18
	19	fn run_pass(&self, _: TyCtxt<'tcx>, _body: &mut Body<'tcx>) {}
	20	}