Update skeleton

bin/kecc.rs

@@ -96,7 +96,7 @@ fn compile_ir(
             SimplifyCfg::default().optimize(input);
         }
 
-        if matches.is_present("mem2erg") {
+        if matches.is_present("mem2reg") {
             Mem2reg::default().optimize(input);
         }
 
@@ -114,6 +114,12 @@ fn compile_ir(
         return;
     }
 
+    if matches.is_present("irrun") {
+        let result = ir::interp(input, Vec::new()).unwrap();
+        println!("[result] {:?}", result);
+        return;
+    }
+
     let asm = ok_or_exit!(Asmgen::default().translate(input), 1);
     write(&asm, output).unwrap();
 }