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28 lines
682 B
Rust
28 lines
682 B
Rust
//! This pass just dumps MIR at a specified point.
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use std::fs::File;
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use std::io;
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use crate::MirPass;
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use rustc_middle::mir::write_mir_pretty;
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use rustc_middle::mir::Body;
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use rustc_middle::ty::TyCtxt;
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use rustc_session::config::OutputType;
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pub struct Marker(pub &'static str);
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impl<'tcx> MirPass<'tcx> for Marker {
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fn name(&self) -> &'static str {
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self.0
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}
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fn run_pass(&self, _tcx: TyCtxt<'tcx>, _body: &mut Body<'tcx>) {}
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}
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pub fn emit_mir(tcx: TyCtxt<'_>) -> io::Result<()> {
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let path = tcx.output_filenames(()).path(OutputType::Mir);
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let mut f = io::BufWriter::new(File::create(&path)?);
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write_mir_pretty(tcx, None, &mut f)?;
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Ok(())
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}
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