Add boolean constants

src/opcodes/constant.cpp

@@ -0,0 +1,21 @@
+/* This file is part of the sirit project.
+ * Copyright (c) 2018 ReinUsesLisp
+ * This software may be used and distributed according to the terms of the GNU
+ * General Public License version 2 or any later version.
+ */
+
+#include <cassert>
+#include "sirit/sirit.h"
+#include "opcodes.h"
+
+namespace Sirit {
+
+const Op* Module::ConstantTrue(const Op* result_type) {
+    return AddDeclaration(new Op(spv::Op::OpConstantTrue, bound, result_type));
+}
+
+const Op* Module::ConstantFalse(const Op* result_type) {
+    return AddDeclaration(new Op(spv::Op::OpConstantFalse, bound, result_type));
+}
+
+} // namespace Sirit