From 979209a526e800d78cdbf485c4196da2177b6993 Mon Sep 17 00:00:00 2001
From: occheung <dc@m-labs.hk>
Date: Fri, 8 Nov 2024 17:12:01 +0800
Subject: [PATCH] binop: expand `not` operator as loglcal not

---
 nac3core/src/codegen/expr.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/nac3core/src/codegen/expr.rs b/nac3core/src/codegen/expr.rs
index 8a0104207..23baadb79 100644
--- a/nac3core/src/codegen/expr.rs
+++ b/nac3core/src/codegen/expr.rs
@@ -1777,7 +1777,12 @@ pub fn gen_unaryop_expr_with_values<'ctx, G: CodeGenerator>(
             ast::Unaryop::Invert => ctx.builder.build_not(val, "not").map(Into::into).unwrap(),
             ast::Unaryop::Not => ctx
                 .builder
-                .build_xor(val, val.get_type().const_all_ones(), "not")
+                .build_int_compare(
+                    inkwell::IntPredicate::EQ,
+                    val,
+                    val.get_type().const_zero(),
+                    "not",
+                )
                 .map(Into::into)
                 .unwrap(),
             ast::Unaryop::UAdd => val.into(),