intern identifiers

compiler/ir/ir.odin

@@ -1,6 +1,7 @@
 package ir
 
 import "../source"
+import "../symbol"
 import "../types"
 import "core:mem"
 
@@ -34,7 +35,6 @@ Instruction :: struct {
 }
 
 Function :: struct {
-	name:         string,
 	link_name:    string,
 	c_abi:        bool,
 	is_main:      bool,
@@ -45,7 +45,7 @@ Function :: struct {
 }
 
 Global :: struct {
-	name:         string,
+	name:         symbol.Id,
 	type:         types.Type,
 	is_static:    bool,
 	static_value: i64,
@@ -77,13 +77,11 @@ destroy_instructions :: proc(instructions: []Instruction, allocator: mem.Allocat
 
 destroy_module :: proc(module: ^Module) {
 	for function in module.functions {
-		delete(function.name, module.allocator)
 		delete(function.link_name, module.allocator)
 		delete(function.param_types, module.allocator)
 		destroy_instructions(function.instructions, module.allocator)
 	}
 	for global in module.globals {
-		delete(global.name, module.allocator)
 		destroy_instructions(global.initializer, module.allocator)
 	}
 	delete(module.functions)