From 518f21d174be48c7fc527bb184fe700b3b68136b Mon Sep 17 00:00:00 2001
From: lyken <lyken@m-labs.hk>
Date: Sat, 13 Jul 2024 14:02:50 +0800
Subject: [PATCH] core/irrt: build.rs capture IR defined constants

---
 nac3core/build.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/nac3core/build.rs b/nac3core/build.rs
index f3a84d9e2..d70f94249 100644
--- a/nac3core/build.rs
+++ b/nac3core/build.rs
@@ -63,8 +63,11 @@ fn main() {
     // - `(?ms:^define.*?\}$)` captures LLVM `define` blocks
     // - `(?m:^declare.*?$)` captures LLVM `declare` lines
     // - `(?m:^%.+?=\s*type\s*\{.+?\}$)` captures LLVM `type` declarations
-    let regex_filter =
-        Regex::new(r"(?ms:^define.*?\}$)|(?m:^declare.*?$)|(?m:^%.+?=\s*type\s*\{.+?\}$)").unwrap();
+    // - `(?m:^@.+?=.+$)` captures global constants
+    let regex_filter = Regex::new(
+        r"(?ms:^define.*?\}$)|(?m:^declare.*?$)|(?m:^%.+?=\s*type\s*\{.+?\}$)|(?m:^@.+?=.+$)",
+    )
+    .unwrap();
     for f in regex_filter.captures_iter(&output) {
         assert_eq!(f.len(), 1);
         filtered_output.push_str(&f[0]);