Fix `transmute(uintptr)ptr` etc

1 files changed, 15 insertions, 1 deletions

diff --git a/src/tilde_builtin.cpp b/src/tilde_builtin.cpp
index b40eacc7f..e30ff1cb0 100644
--- a/src/tilde_builtin.cpp
+++ b/src/tilde_builtin.cpp
@@ -236,7 +236,6 @@ gb_internal cgValue cg_builtin_mem_copy_non_overlapping(cgProcedure *p, cgValue
 }
 
 
-
 gb_internal cgValue cg_build_builtin(cgProcedure *p, BuiltinProcId id, Ast *expr) {
 	ast_node(ce, CallExpr, expr);
 
@@ -419,6 +418,21 @@ gb_internal cgValue cg_build_builtin(cgProcedure *p, BuiltinProcId id, Ast *expr
 			return cg_emit_arith(p, Token_Quo, diff, cg_const_int(p, t_int, type_size_of(elem)), t_int);
 		}
 
+	case BuiltinProc_type_info_of:
+		{
+			Ast *arg = ce->args[0];
+			TypeAndValue tav = type_and_value_of_expr(arg);
+			if (tav.mode == Addressing_Type) {
+				Type *t = default_type(type_of_expr(arg));
+				return cg_type_info(p, t);
+			}
+			GB_ASSERT(is_type_typeid(tav.type));
+
+			auto args = slice_make<cgValue>(permanent_allocator(), 1);
+			args[0] = cg_build_expr(p, arg);
+			return cg_emit_runtime_call(p, "__type_info_of", args);
+		}
+
 	}