diff options
Diffstat (limited to 'lib/ubsan/lit_tests/Integer/no-recover.cpp')
| -rw-r--r-- | lib/ubsan/lit_tests/Integer/no-recover.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/ubsan/lit_tests/Integer/no-recover.cpp b/lib/ubsan/lit_tests/Integer/no-recover.cpp new file mode 100644 index 000000000000..e200feaa79ae --- /dev/null +++ b/lib/ubsan/lit_tests/Integer/no-recover.cpp @@ -0,0 +1,22 @@ +// RUN: %clang -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=RECOVER +// RUN: %clang -fsanitize=unsigned-integer-overflow -fsanitize-recover %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=RECOVER +// RUN: %clang -fsanitize=unsigned-integer-overflow -fno-sanitize-recover %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=ABORT + +#include <stdint.h> + +int main() { + // These promote to 'int'. + (void)(uint8_t(0xff) + uint8_t(0xff)); + (void)(uint16_t(0xf0fff) + uint16_t(0x0fff)); + // RECOVER-NOT: runtime error + // ABORT-NOT: runtime error + + uint32_t k = 0x87654321; + k += 0xedcba987; + // RECOVER: no-recover.cpp:[[@LINE-1]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int' + // ABORT: no-recover.cpp:[[@LINE-2]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int' + + (void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull)); + // RECOVER: 10000000000000000000 + 9000000000000000000 cannot be represented in type 'unsigned long' + // ABORT-NOT: runtime error +} |