1 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -o - -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,OLD-PATH 2 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -o - -O1 -fno-inline %s | FileCheck %s --check-prefixes=CHECK,OLD-PATH 3 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -o - -O1 -fno-inline -relaxed-aliasing -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,OLD-PATH 4 // 5 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -new-struct-path-tbaa -o - -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,NEW-PATH 6 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -new-struct-path-tbaa -o - -O1 -fno-inline %s | FileCheck %s --check-prefixes=CHECK,NEW-PATH 7 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -new-struct-path-tbaa -o - -O1 -fno-inline -relaxed-aliasing -fsanitize=thread %s | FileCheck %s --check-prefixes=CHECK,NEW-PATH 8 // 9 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s --check-prefix=NOTBAA 10 // RUN: %clang_cc1 -no-opaque-pointers -triple %itanium_abi_triple -emit-llvm -o - -O2 -fno-inline -relaxed-aliasing %s | FileCheck %s --check-prefix=NOTBAA 11 // 12 // Check that we generate TBAA for vtable pointer loads and stores. 13 // When -fsanitize=thread is used TBAA should be generated at all opt levels 14 // even if -relaxed-aliasing is present. 15 struct A { 16 virtual int foo() const ; 17 virtual ~A(); 18 }; 19 20 void CreateA() { 21 new A; 22 } 23 24 void CallFoo(A *a, int (A::*fp)() const) { 25 a->foo(); 26 (a->*fp)(); 27 } 28 29 // CHECK-LABEL: @_Z7CallFoo 30 // CHECK: %{{.*}} = load i32 (%struct.A*)**, {{.*}} !tbaa ![[NUM:[0-9]+]] 31 // CHECK: br i1 32 // CHECK: load i8*, {{.*}}, !tbaa ![[NUM]] 33 // 34 // CHECK-LABEL: @_ZN1AC2Ev 35 // CHECK: store i32 (...)** {{.*}}, !tbaa ![[NUM]] 36 // 37 // OLD-PATH: [[NUM]] = !{[[TYPE:!.*]], [[TYPE]], i64 0} 38 // OLD-PATH: [[TYPE]] = !{!"vtable pointer", !{{.*}} 39 // NEW-PATH: [[NUM]] = !{[[TYPE:!.*]], [[TYPE]], i64 0, i64 [[POINTER_SIZE:.*]]} 40 // NEW-PATH: [[TYPE]] = !{!{{.*}}, i64 [[POINTER_SIZE]], !"vtable pointer"} 41 // NOTBAA-NOT: = !{!"Simple C++ TBAA"} 42