forked from OSchip/llvm-project
42 lines
1.7 KiB
C++
42 lines
1.7 KiB
C++
// Test that on the second entry to a function the origins are still right.
|
|
|
|
// RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
// RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
// RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
// RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
|
|
// RUN: %clangxx_msan -fsanitize-memory-track-origins -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 -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 -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 -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>
|
|
|
|
extern "C"
|
|
int f(int depth) {
|
|
if (depth) return f(depth - 1);
|
|
|
|
int x;
|
|
int *volatile p = &x;
|
|
return *p;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
return f(1);
|
|
// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
|
|
// CHECK: {{#0 0x.* in main .*stack-origin2.cpp:}}[[@LINE-2]]
|
|
|
|
// CHECK-ORIGINS: Uninitialized value was created by an allocation of 'x' in the stack frame of function 'f'
|
|
// CHECK-ORIGINS: {{#0 0x.* in f .*stack-origin2.cpp:}}[[@LINE-14]]
|
|
|
|
// CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*stack-origin2.cpp:.* main}}
|
|
}
|