| // RUN: %clangxx_msan -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // RUN: %clangxx_msan -m64 -O1 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // RUN: %clangxx_msan -m64 -O2 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // RUN: %clangxx_msan -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| |
| // RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
| // RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O1 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
| // RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O2 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
| // RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
| |
| #include <stdlib.h> |
| int main(int argc, char **argv) { |
| char *volatile x = (char*)malloc(5 * sizeof(char)); |
| return *x; |
| // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value |
| // CHECK: {{#0 0x.* in main .*heap-origin.cc:}}[[@LINE-2]] |
| |
| // CHECK-ORIGINS: Uninitialized value was created by a heap allocation |
| // CHECK-ORIGINS: {{#0 0x.* in .*malloc}} |
| // CHECK-ORIGINS: {{#1 0x.* in main .*heap-origin.cc:}}[[@LINE-7]] |
| |
| // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*heap-origin.cc:.* main}} |
| } |
