Run juno bin on ir files

• Add flag -i to juno binary to directly compile IR, rather than Juno.
• Remove outdated reports/.

juno_frontend/src/main.rs

-use juno_compiler::*;
+use std::fs::read_to_string;
+use std::path::PathBuf;
 
 use clap::Parser;
 
-use std::path::PathBuf;
+use juno_compiler::*;
 
 #[derive(Parser)]
 #[clap(author, version, about, long_about = None)]
@@ -12,6 +13,8 @@ struct Cli {
     schedule: Option<String>,
     #[arg(short, long = "output-dir", value_name = "OUTPUT DIR")]
     output_dir: Option<String>,
+    #[arg(short, long, value_name = "TREAT AS HERCULES IR")]
+    ir: bool,
 }
 
 fn main() {
@@ -25,10 +28,27 @@ fn main() {
             .unwrap()
             .to_string(),
     };
-    match compile(args.src_file, args.schedule, output_dir) {
-        Ok(()) => {}
-        Err(errs) => {
-            eprintln!("{}", errs);
+    if args.ir {
+        let Ok(contents) = read_to_string(&args.src_file) else {
+            panic!("Unable to open and read input file.");
+        };
+        let Ok(ir_mod) = hercules_ir::parse::parse(&contents) else {
+            panic!("Unable to parse Hercules IR file.");
+        };
+
+        let module_name = "module".to_string();
+        match compile_ir(ir_mod, args.schedule, output_dir, module_name) {
+            Ok(()) => {}
+            Err(errs) => {
+                eprintln!("{}", errs);
+            }
+        }
+    } else {
+        match compile(args.src_file, args.schedule, output_dir) {
+            Ok(()) => {}
+            Err(errs) => {
+                eprintln!("{}", errs);
+            }
         }
     }
 }