| 1 | // RUN: %clang -x c -fsanitize=alignment -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 2 | // RUN: %clang -x c -fsanitize=alignment -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 3 | // RUN: %clang -x c -fsanitize=alignment -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 4 | // RUN: %clang -x c -fsanitize=alignment -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 5 | |
|---|
| 6 | // RUN: %clangxx -x c++ -fsanitize=alignment -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 7 | // RUN: %clangxx -x c++ -fsanitize=alignment -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 8 | // RUN: %clangxx -x c++ -fsanitize=alignment -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 9 | // RUN: %clangxx -x c++ -fsanitize=alignment -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:" |
|---|
| 10 | |
|---|
| 11 | #include <stdlib.h> |
|---|
| 12 | |
|---|
| 13 | char *__attribute__((assume_aligned(0x8000))) passthrough(char *x) { |
|---|
| 14 | return x; |
|---|
| 15 | } |
|---|
| 16 | |
|---|
| 17 | int main(int argc, char* argv[]) { |
|---|
| 18 | char *ptr = (char *)malloc(size: 2); |
|---|
| 19 | |
|---|
| 20 | passthrough(x: ptr + 1); |
|---|
| 21 | // CHECK: {{.*}}align-assume-{{.*}}.cpp:[[@LINE-1]]:3: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed |
|---|
| 22 | // CHECK: {{.*}}align-assume-{{.*}}.cpp:[[@LINE-9]]:22: note: alignment assumption was specified here |
|---|
| 23 | // CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte |
|---|
| 24 | |
|---|
| 25 | free(ptr: ptr); |
|---|
| 26 | |
|---|
| 27 | return 0; |
|---|
| 28 | } |
|---|
| 29 | |
|---|
