1// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
2// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
3// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
4// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
5
6// RUN: rm -f %tmp
7// RUN: echo "[integer]" >> %tmp
8// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
9// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
10// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
11// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
12// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O3 %s -o %t && %run %t 2>&1 | FileCheck %s
13
14// RUN: rm -f %tmp
15// RUN: echo "[implicit-conversion]" >> %tmp
16// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
17// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
18// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
19// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
20// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O3 %s -o %t && %run %t 2>&1 | FileCheck %s
21
22// RUN: rm -f %tmp
23// RUN: echo "[implicit-integer-truncation]" >> %tmp
24// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
25// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
26// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
27// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
28// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O3 %s -o %t && %run %t 2>&1 | FileCheck %s
29
30// RUN: rm -f %tmp
31// RUN: echo "[implicit-signed-integer-truncation]" >> %tmp
32// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
33// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
34// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
35// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
36// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O3 %s -o %t && %run %t 2>&1 | FileCheck %s
37
38// RUN: rm -f %tmp
39// RUN: echo "[implicit-unsigned-integer-truncation]" >> %tmp
40// RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
41// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
42// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
43// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
44// RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-ignorelist=%tmp -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,ERROR
45
46#include <stdint.h>
47#include <stdio.h>
48
49uint8_t implicitUnsignedTruncation(int32_t argc) {
50 fprintf(stderr, format: "TEST\n");
51 // CHECK-NOT: runtime error
52 // CHECK-LABEL: TEST
53 return argc; // BOOM
54 // ERROR: {{.*}}signed-integer-truncation-ignorelist.c:[[@LINE-1]]:10: runtime error: implicit conversion from type '{{.*}} (aka 'int') of value -1 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)
55 // CHECK-NOT: runtime error
56}
57
58int main(int argc, char **argv) {
59 return !implicitUnsignedTruncation(argc: -1);
60}
61

source code of compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-ignorelist.c