1 files changed, 21 insertions, 0 deletions
diff --git a/compiler/stable_mir/src/rustc_internal/pretty.rs b/compiler/stable_mir/src/rustc_internal/pretty.rs
new file mode 100644
index 00000000000..28c5280fe04
--- /dev/null
+++ b/compiler/stable_mir/src/rustc_internal/pretty.rs
@@ -0,0 +1,21 @@
+use std::io;
+
+use rustc_middle::ty::TyCtxt;
+
+use super::run;
+
+pub fn write_smir_pretty<'tcx, W: io::Write>(tcx: TyCtxt<'tcx>, w: &mut W) -> io::Result<()> {
+    writeln!(
+        w,
+        "// WARNING: This is highly experimental output it's intended for stable-mir developers only."
+    )?;
+    writeln!(
+        w,
+        "// If you find a bug or want to improve the output open a issue at https://github.com/rust-lang/project-stable-mir."
+    )?;
+    let _ = run(tcx, || {
+        let items = crate::all_local_items();
+        let _ = items.iter().map(|item| -> io::Result<()> { item.emit_mir(w) }).collect::<Vec<_>>();
+    });
+    Ok(())
+}