core: Add CodeGenLLVMOptions

For specifying LLVM options during code generation.

nac3core/src/codegen/mod.rs

@@ -59,6 +59,15 @@ lazy_static!(
     static ref PASSES_INIT_LOCK: Mutex<AtomicBool> = Mutex::new(AtomicBool::new(true));
 );
 
+/// Additional options for LLVM during codegen.
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct CodeGenLLVMOptions {
+    /// The optimization level to apply on the generated LLVM IR.
+    pub opt_level: OptimizationLevel,
+    /// Whether to output the LLVM IR after generation is complete.
+    pub emit_llvm: bool,
+}
+
 pub struct CodeGenContext<'ctx, 'a> {
     pub ctx: &'ctx Context,
     pub builder: Builder<'ctx>,