Minor code reorganization

src/checker.cpp

@@ -1826,6 +1826,7 @@ void check_procedure_overloading(Checker *c, Entity *e) {
 
 
 #include "check_expr.cpp"
+#include "check_type.cpp"
 #include "check_decl.cpp"
 #include "check_stmt.cpp"
 

src/entity.cpp

@@ -2,7 +2,6 @@ struct Scope;
 struct Checker;
 struct Type;
 struct DeclInfo;
-// typedef enum BuiltinProcId BuiltinProcId;
 
 
 #define ENTITY_KINDS \
@@ -51,15 +50,9 @@ enum EntityFlag {
 
 // Zero value means the overloading process is not yet done
 enum OverloadKind {
-	Overload_Unknown,
-	Overload_No,
-	Overload_Yes,
-};
-
-enum EntityAliasKind {
-	EntityAlias_Invalid,
-	EntityAlias_Type,
-	EntityAlias_Entity,
+	Overload_Unknown = 0,
+	Overload_No      = 1,
+	Overload_Yes     = 2,
 };
 
 
@@ -99,7 +92,7 @@ struct Entity {
 			String     link_name;
 		} Variable;
 		struct {
-			bool is_type_alias;
+			bool  is_type_alias;
 			Type *type_parameter_specialization;
 		} TypeName;
 		struct {
@@ -129,7 +122,7 @@ struct Entity {
 		} LibraryName;
 		i32 Nil;
 		struct {
-			String name;
+			String   name;
 			AstNode *node;
 		} Label;
 	};
@@ -268,8 +261,7 @@ Entity *make_entity_library_name(gbAllocator a, Scope *scope, Token token, Type
 
 
 Entity *make_entity_nil(gbAllocator a, String name, Type *type) {
-	Token token = make_token_ident(name);
-	Entity *entity = alloc_entity(a, Entity_Nil, nullptr, token, type);
+	Entity *entity = alloc_entity(a, Entity_Nil, nullptr, make_token_ident(name), type);
 	return entity;
 }
 

src/ir.cpp

@@ -3232,20 +3232,6 @@ irValue *ir_emit_transmute(irProcedure *proc, irValue *value, Type *t) {
 	return ir_emit_bitcast(proc, value, dst);
 }
 
-irValue *ir_emit_down_cast(irProcedure *proc, irValue *value, Type *t) {
-	GB_ASSERT(is_type_pointer(ir_type(value)));
-	gbAllocator allocator = proc->module->allocator;
-
-	String field_name = check_down_cast_name(t, type_deref(ir_type(value)));
-	GB_ASSERT(field_name.len > 0);
-	Selection sel = lookup_field(proc->module->allocator, t, field_name, false);
-	irValue *bytes = ir_emit_conv(proc, value, t_u8_ptr);
-
-	i64 offset_ = type_offset_of_from_selection(allocator, type_deref(t), sel);
-	irValue *offset = ir_const_int(allocator, -offset_);
-	irValue *head = ir_emit_ptr_offset(proc, bytes, offset);
-	return ir_emit_conv(proc, head, t);
-}
 
 irValue *ir_emit_union_cast(irProcedure *proc, irValue *value, Type *type, TokenPos pos) {
 	gbAllocator a = proc->module->allocator;