https://github.com/vitalybuka updated
https://github.com/llvm/llvm-project/pull/140602
>From 210f005ecccbbd4fed439d3e156d5e0146807bed Mon Sep 17 00:00:00 2001
From: Qinkun Bao <qin...@google.com>
Date: Mon, 19 May 2025 19:49:33 +0000
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
=?UTF-8?q?l=20version?=
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Created using spr 1.3.6
---
.../ubsan-src-ignorelist-category.test | 37 +++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 clang/test/CodeGen/ubsan-src-ignorelist-category.test
diff --git a/clang/test/CodeGen/ubsan-src-ignorelist-category.test
b/clang/test/CodeGen/ubsan-src-ignorelist-category.test
new file mode 100644
index 0000000000000..e0efd65df8652
--- /dev/null
+++ b/clang/test/CodeGen/ubsan-src-ignorelist-category.test
@@ -0,0 +1,37 @@
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsanitize=signed-integer-overflow
-fsanitize-ignorelist=%t/src.ignorelist -emit-llvm %t/test1.c -o - | FileCheck
%s -check-prefix=CHECK-ALLOWLIST
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsanitize=signed-integer-overflow
-fsanitize-ignorelist=%t/src.ignorelist -emit-llvm %t/test2.c -o - | FileCheck
%s -check-prefix=CHECK-IGNORELIST
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsanitize=signed-integer-overflow
-fsanitize-ignorelist=%t/src.ignorelist.contradict1 -emit-llvm %t/test1.c -o -
| FileCheck %s -check-prefix=CHECK-ALLOWLISTOVERIDE1
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsanitize=signed-integer-overflow
-fsanitize-ignorelist=%t/src.ignorelist.contradict2 -emit-llvm %t/test1.c -o -
| FileCheck %s -check-prefix=CHECK-ALLOWLISTOVERIDE2
+
+
+// Verify ubsan only emits checks for files in the allowlist
+
+//--- src.ignorelist
+src:*
+src:*/test1.c=sanitize
+
+//--- src.ignorelist.contradict1
+src:*
+src:*/test1.c=sanitize
+src:*/test1.c
+
+//--- src.ignorelist.contradict2
+src:*
+src:*/test1.c
+src:*/test1.c=sanitize
+
+//--- test1.c
+int add1(int a, int b) {
+// CHECK-ALLOWLIST: llvm.sadd.with.overflow.i32
+// CHECK-ALLOWLISTOVERIDE1-NOT: llvm.sadd.with.overflow.i32
+// CHECK-ALLOWLISTOVERIDE2: llvm.sadd.with.overflow.i32
+ return a+b;
+}
+
+//--- test2.c
+int add2(int a, int b) {
+// CHECK-IGNORELIST-NOT: llvm.sadd.with.overflow.i32
+ return a+b;
+}
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