custom ir

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>

crates/ir/src/pass/dead_code.rs

@@ -0,0 +1,15 @@
+use crate::{
+    analysis::{analyze, control_flow::ReachableCode},
+    cfg::Program,
+};
+
+use super::Pass;
+
+#[derive(Default)]
+pub struct DeadCodeElimination;
+
+impl Pass for DeadCodeElimination {
+    fn run(&mut self, program: &mut Program) {
+        analyze::<ReachableCode>(program);
+    }
+}