diff options
Diffstat (limited to 'test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp')
| -rw-r--r-- | test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp b/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp index 2be702047..ec376c7f5 100644 --- a/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp +++ b/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp @@ -1,8 +1,18 @@ +// RUN: %clang -x c -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C +// RUN: %clang -x c -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C +// RUN: %clang -x c -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C +// RUN: %clang -x c -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C + // RUN: %clang -x c++ -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK // RUN: %clang -x c++ -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK // RUN: %clang -x c++ -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK // RUN: %clang -x c++ -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK +// RUN: %clang -x c -fsanitize=pointer-overflow -O0 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB +// RUN: %clang -x c -fsanitize=pointer-overflow -O1 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB +// RUN: %clang -x c -fsanitize=pointer-overflow -O2 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB +// RUN: %clang -x c -fsanitize=pointer-overflow -O3 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB + // RUN: %clang -x c++ -fsanitize=pointer-overflow -O0 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB // RUN: %clang -x c++ -fsanitize=pointer-overflow -O1 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB // RUN: %clang -x c++ -fsanitize=pointer-overflow -O2 %s -o %t && %run %t I_AM_UB 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB @@ -16,10 +26,6 @@ static char *getelementpointer_inbounds_v0(char *base, unsigned long offset) { // Potentially UB. return base + offset; } -static char *getelementpointer_inbounds_v1(char *base, unsigned long offset) { - // Potentially UB. - return base + offset; -} int main(int argc, char *argv[]) { char *base; @@ -31,12 +37,8 @@ int main(int argc, char *argv[]) { base = (char *)0; offset = argc - 1; (void)getelementpointer_inbounds_v0(base, offset); - // CHECK-UB: {{.*}}.cpp:[[@LINE-17]]:15: runtime error: applying non-zero offset 1 to null pointer - - base = (char *)(intptr_t)(argc - 1); - offset = argc == 1 ? 0 : -(argc - 1); - (void)getelementpointer_inbounds_v1(base, offset); - // CHECK-UB: {{.*}}.cpp:[[@LINE-18]]:15: runtime error: applying non-zero offset to non-null pointer {{.*}} produced null pointer + // CHECK-UB: {{.*}}.cpp:[[@LINE-13]]:15: runtime error: applying non-zero offset 1 to null pointer + // CHECK-UB-C: {{.*}}.cpp:[[@LINE-14]]:15: runtime error: applying zero offset to null pointer return 0; } |