================
@@ -1,7 +1,28 @@
+// Verify ubsan doesn't emit checks for ignorelisted types
+// RUN: echo "[{unsigned-integer-overflow,signed-integer-overflow}]" >
%t-int.ignorelist
+// RUN: echo "type:int" >> %t-int.ignorelist
+// RUN: %clang_cc1 -triple x86_64-linux-gnu
-fsanitize=signed-integer-overflow,unsigned-integer-overflow
-fsanitize-ignorelist=%t-int.ignorelist -emit-llvm %s -o - | FileCheck %s
--check-prefix=INT
+
+// RUN: echo "type:int" > %t-nosection.ignorelist
+// RUN: %clang_cc1 -triple x86_64-linux-gnu
-fsanitize=signed-integer-overflow,unsigned-integer-overflow
-fsanitize-ignorelist=%t-nosection.ignorelist -emit-llvm %s -o - | FileCheck %s
--check-prefix=INT
+
+// RUN: echo "type:int=allow" > %t-allow-same-as-no-category.ignorelist
+// RUN: %clang_cc1 -triple x86_64-linux-gnu
-fsanitize=signed-integer-overflow,unsigned-integer-overflow
-fsanitize-ignorelist=%t-allow-same-as-no-category.ignorelist -emit-llvm %s -o
- | FileCheck %s --check-prefix=INT
+
+// RUN: echo "[{unsigned-integer-overflow,signed-integer-overflow}]" >
%t-myty.ignorelist
+// RUN: echo "type:*" >> %t-myty.ignorelist
+// RUN: echo "type:myty=skip" >> %t-myty.ignorelist
----------------
vitalybuka wrote:
I don't see a benefit of keeping all this test in one file
it will only to degrade readability and debugging
N files like this seems better
```
// RUN: rm -rf %t
// RUN: split-file %s %t
// Verify ubsan doesn't emit checks for ignorelisted types
// RUN: %clang_cc1 -triple x86_64-linux-gnu
-fsanitize=signed-integer-overflow,unsigned-integer-overflow
-fsanitize-ignorelist=%t/test.ignorelist -emit-llvm %t/test.cpp -o - |
FileCheck %s --check-prefix=INT --implicit-check-not="call {{.*}} @llvm"
//--- test.cpp
// INT-LABEL: ignore_int
void ignore_int(int A, int B, unsigned C, unsigned D, long E) {
// INT: llvm.uadd.with.overflow.i32
(void)(C+D);
(void)(A+B);
// INT: llvm.sadd.with.overflow.i64
(void)(++E);
}
//--- test.ignorelist
[{unsigned-integer-overflow,signed-integer-overflow}]
type:int
```
Note1: Use `split-file`
Note2: Use `implicit-check-not` instead of -NOT.
https://github.com/llvm/llvm-project/pull/107332
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