1 //! This pass removes the unwind branch of all the terminators when the no-landing-pads option is
6 use rustc::mir::visit::MutVisitor;
7 use crate::transform::{MirPass, MirSource};
9 pub struct NoLandingPads;
11 impl MirPass for NoLandingPads {
12 fn run_pass<'a, 'tcx>(&self,
13 tcx: TyCtxt<'a, 'tcx, 'tcx>,
15 mir: &mut Mir<'tcx>) {
16 no_landing_pads(tcx, mir)
20 pub fn no_landing_pads<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, mir: &mut Mir<'tcx>) {
21 if tcx.sess.no_landing_pads() {
22 NoLandingPads.visit_mir(mir);
26 impl<'tcx> MutVisitor<'tcx> for NoLandingPads {
27 fn visit_terminator_kind(&mut self,
28 kind: &mut TerminatorKind<'tcx>,
30 if let Some(unwind) = kind.unwind_mut() {
33 self.super_terminator_kind(kind, location);