1 // RUN: %clang_cc1 -emit-llvm -o - -O0 -fsanitize=thread %s | FileCheck %s 2 // RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s 3 // RUN: %clang_cc1 -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread %s | FileCheck %s 4 // 5 // RUN: %clang_cc1 -emit-llvm -o - -O0 %s | FileCheck %s --check-prefix=NOTBAA 6 // RUN: %clang_cc1 -emit-llvm -o - -O2 -relaxed-aliasing %s | FileCheck %s --check-prefix=NOTBAA 7 // 8 // Check that we generate TBAA for vtable pointer loads and stores. 9 // When -fthread-sanitizer is used TBAA should be generated at all opt levels 10 // even if -relaxed-aliasing is present. 11 struct A { 12 virtual int foo() const ; 13 virtual ~A(); 14 }; 15 16 void CreateA() { 17 new A; 18 } 19 20 void CallFoo(A *a) { 21 a->foo(); 22 } 23 24 // CHECK: %{{.*}} = load {{.*}} !tbaa ![[NUM:[0-9]+]] 25 // CHECK: store {{.*}} !tbaa ![[NUM]] 26 // CHECK: [[NUM]] = metadata !{metadata !"vtable pointer", metadata !{{.*}}} 27 // NOTBAA-NOT: = metadata !{metadata !"Simple C/C++ TBAA"} 28
