28 lines
777 B
Rust
28 lines
777 B
Rust
//! This pass removes the unwind branch of all the terminators when the no-landing-pads option is
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//! specified.
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use crate::transform::MirPass;
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use rustc_middle::mir::*;
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use rustc_middle::ty::TyCtxt;
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use rustc_target::spec::PanicStrategy;
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pub struct NoLandingPads;
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impl<'tcx> MirPass<'tcx> for NoLandingPads {
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fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
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no_landing_pads(tcx, body)
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}
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}
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pub fn no_landing_pads<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
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if tcx.sess.panic_strategy() != PanicStrategy::Abort {
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return;
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}
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for block in body.basic_blocks_mut() {
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let terminator = block.terminator_mut();
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if let Some(unwind) = terminator.kind.unwind_mut() {
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unwind.take();
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}
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}
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}
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