forked from OSchip/llvm-project
28 lines
948 B
C++
28 lines
948 B
C++
// RUN: %clang_cc1 -emit-llvm -o - -O0 -fsanitize=thread %s | FileCheck %s
|
|
// RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s
|
|
// RUN: %clang_cc1 -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread %s | FileCheck %s
|
|
//
|
|
// RUN: %clang_cc1 -emit-llvm -o - -O0 %s | FileCheck %s --check-prefix=NOTBAA
|
|
// RUN: %clang_cc1 -emit-llvm -o - -O2 -relaxed-aliasing %s | FileCheck %s --check-prefix=NOTBAA
|
|
//
|
|
// Check that we generate TBAA for vtable pointer loads and stores.
|
|
// When -fthread-sanitizer is used TBAA should be generated at all opt levels
|
|
// even if -relaxed-aliasing is present.
|
|
struct A {
|
|
virtual int foo() const ;
|
|
virtual ~A();
|
|
};
|
|
|
|
void CreateA() {
|
|
new A;
|
|
}
|
|
|
|
void CallFoo(A *a) {
|
|
a->foo();
|
|
}
|
|
|
|
// CHECK: %{{.*}} = load {{.*}} !tbaa ![[NUM:[0-9]+]]
|
|
// CHECK: store {{.*}} !tbaa ![[NUM]]
|
|
// CHECK: [[NUM]] = metadata !{metadata !"vtable pointer", metadata !{{.*}}}
|
|
// NOTBAA-NOT: = metadata !{metadata !"Simple C/C++ TBAA"}
|