| // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ITANIUM --check-prefix=NDIAG %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-vcall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ITANIUM --check-prefix=DIAG --check-prefix=DIAG-ABORT %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-vcall -fsanitize-recover=cfi-vcall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ITANIUM --check-prefix=DIAG --check-prefix=DIAG-RECOVER %s |
| // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS --check-prefix=NDIAG %s |
| |
| // MS: @[[VTA:[0-9]*]] {{.*}} comdat($"\01??_7A@@6B@") |
| // MS: @[[VTB:[0-9]*]] {{.*}} comdat($"\01??_7B@@6B0@@") |
| // MS: @[[VTAinB:[0-9]*]] {{.*}} comdat($"\01??_7B@@6BA@@@") |
| // MS: @[[VTAinC:[0-9]*]] {{.*}} comdat($"\01??_7C@@6B@") |
| // MS: @[[VTBinD:[0-9]*]] {{.*}} comdat($"\01??_7D@?A@@6BB@@@") |
| // MS: @[[VTAinBinD:[0-9]*]] {{.*}} comdat($"\01??_7D@?A@@6BA@@@") |
| // MS: @[[VTFA:[0-9]*]] {{.*}} comdat($"\01??_7FA@?1??foo@@YAXXZ@6B@") |
| |
| struct A { |
| A(); |
| virtual void f(); |
| }; |
| |
| struct B : virtual A { |
| B(); |
| virtual void g(); |
| virtual void h(); |
| }; |
| |
| struct C : virtual A { |
| C(); |
| }; |
| |
| namespace { |
| |
| struct D : B, C { |
| D(); |
| virtual void f(); |
| virtual void h(); |
| }; |
| |
| } |
| |
| A::A() {} |
| B::B() {} |
| C::C() {} |
| D::D() {} |
| |
| void A::f() { |
| } |
| |
| void B::g() { |
| } |
| |
| void D::f() { |
| } |
| |
| void D::h() { |
| } |
| |
| // DIAG: @[[SRC:.*]] = private unnamed_addr constant [{{.*}} x i8] c"{{.*}}cfi-vcall.cpp\00", align 1 |
| // DIAG: @[[TYPE:.*]] = private unnamed_addr constant { i16, i16, [4 x i8] } { i16 -1, i16 0, [4 x i8] c"'A'\00" } |
| // DIAG: @[[BADTYPESTATIC:.*]] = private unnamed_addr global { { [{{.*}} x i8]*, i32, i32 }, { i16, i16, [4 x i8] }*, i8 } { { [{{.*}} x i8]*, i32, i32 } { [{{.*}} x i8]* @[[SRC]], i32 [[@LINE+21]], i32 3 }, { i16, i16, [4 x i8] }* @[[TYPE]], i8 0 } |
| |
| // ITANIUM: define void @_Z2afP1A |
| // MS: define void @"\01?af@@YAXPEAUA@@@Z" |
| void af(A *a) { |
| // ITANIUM: [[P:%[^ ]*]] = call i1 @llvm.bitset.test(i8* [[VT:%[^ ]*]], metadata !"_ZTS1A") |
| // MS: [[P:%[^ ]*]] = call i1 @llvm.bitset.test(i8* [[VT:%[^ ]*]], metadata !"?AUA@@") |
| // CHECK-NEXT: br i1 [[P]], label %[[CONTBB:[^ ,]*]], label %[[TRAPBB:[^ ,]*]] |
| // CHECK-NEXT: {{^$}} |
| |
| // CHECK: [[TRAPBB]] |
| // NDIAG-NEXT: call void @llvm.trap() |
| // NDIAG-NEXT: unreachable |
| // DIAG-NEXT: [[VTINT:%[^ ]*]] = ptrtoint i8* [[VT]] to i64 |
| // DIAG-ABORT-NEXT: call void @__ubsan_handle_cfi_bad_type_abort(i8* bitcast ({{.*}} @[[BADTYPESTATIC]] to i8*), i64 [[VTINT]]) |
| // DIAG-ABORT-NEXT: unreachable |
| // DIAG-RECOVER-NEXT: call void @__ubsan_handle_cfi_bad_type(i8* bitcast ({{.*}} @[[BADTYPESTATIC]] to i8*), i64 [[VTINT]]) |
| // DIAG-RECOVER-NEXT: br label %[[CONTBB]] |
| |
| // CHECK: [[CONTBB]] |
| // CHECK: call void % |
| a->f(); |
| } |
| |
| // ITANIUM: define internal void @_Z3df1PN12_GLOBAL__N_11DE |
| // MS: define internal void @"\01?df1@@YAXPEAUD@?A@@@Z" |
| void df1(D *d) { |
| // ITANIUM: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata ![[DTYPE:[0-9]+]]) |
| // MS: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"?AUA@@") |
| d->f(); |
| } |
| |
| // ITANIUM: define internal void @_Z3dg1PN12_GLOBAL__N_11DE |
| // MS: define internal void @"\01?dg1@@YAXPEAUD@?A@@@Z" |
| void dg1(D *d) { |
| // ITANIUM: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"_ZTS1B") |
| // MS: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"?AUB@@") |
| d->g(); |
| } |
| |
| // ITANIUM: define internal void @_Z3dh1PN12_GLOBAL__N_11DE |
| // MS: define internal void @"\01?dh1@@YAXPEAUD@?A@@@Z" |
| void dh1(D *d) { |
| // ITANIUM: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata ![[DTYPE]]) |
| // MS: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata ![[DTYPE:[0-9]+]]) |
| d->h(); |
| } |
| |
| // ITANIUM: define internal void @_Z3df2PN12_GLOBAL__N_11DE |
| // MS: define internal void @"\01?df2@@YAXPEAUD@?A@@@Z" |
| __attribute__((no_sanitize("cfi"))) |
| void df2(D *d) { |
| // CHECK-NOT: call i1 @llvm.bitset.test |
| d->f(); |
| } |
| |
| // ITANIUM: define internal void @_Z3df3PN12_GLOBAL__N_11DE |
| // MS: define internal void @"\01?df3@@YAXPEAUD@?A@@@Z" |
| __attribute__((no_sanitize("address"))) __attribute__((no_sanitize("cfi-vcall"))) |
| void df3(D *d) { |
| // CHECK-NOT: call i1 @llvm.bitset.test |
| d->f(); |
| } |
| |
| D d; |
| |
| void foo() { |
| df1(&d); |
| dg1(&d); |
| dh1(&d); |
| df2(&d); |
| df3(&d); |
| |
| struct FA : A { |
| void f() {} |
| } fa; |
| af(&fa); |
| } |
| |
| namespace test2 { |
| |
| struct A { |
| virtual void m_fn1(); |
| }; |
| struct B { |
| virtual void m_fn2(); |
| }; |
| struct C : B, A {}; |
| struct D : C { |
| void m_fn1(); |
| }; |
| |
| // ITANIUM: define void @_ZN5test21fEPNS_1DE |
| // MS: define void @"\01?f@test2@@YAXPEAUD@1@@Z" |
| void f(D *d) { |
| // ITANIUM: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"_ZTSN5test21DE") |
| // MS: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"?AUA@test2@@") |
| d->m_fn1(); |
| } |
| |
| } |
| |
| // Check for the expected number of elements (9 or 15 respectively). |
| // MS: !llvm.bitsets = !{[[X:[^,]*(,[^,]*){8}]]} |
| // ITANIUM: !llvm.bitsets = !{[[X:[^,]*(,[^,]*){14}]]} |
| |
| // ITANIUM-DAG: !{!"_ZTS1A", [3 x i8*]* @_ZTV1A, i64 16} |
| // ITANIUM-DAG: !{!"_ZTS1A", [7 x i8*]* @_ZTCN12_GLOBAL__N_11DE0_1B, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1B", [7 x i8*]* @_ZTCN12_GLOBAL__N_11DE0_1B, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1A", [9 x i8*]* @_ZTCN12_GLOBAL__N_11DE8_1C, i64 64} |
| // ITANIUM-DAG: !{!"_ZTS1C", [9 x i8*]* @_ZTCN12_GLOBAL__N_11DE8_1C, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1A", [12 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1B", [12 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1C", [12 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 88} |
| // ITANIUM-DAG: !{![[DTYPE]], [12 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1A", [7 x i8*]* @_ZTV1B, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1B", [7 x i8*]* @_ZTV1B, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1A", [5 x i8*]* @_ZTV1C, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1C", [5 x i8*]* @_ZTV1C, i64 32} |
| // ITANIUM-DAG: !{!"_ZTS1A", [3 x i8*]* @_ZTVZ3foovE2FA, i64 16} |
| // ITANIUM-DAG: !{!{{[0-9]+}}, [3 x i8*]* @_ZTVZ3foovE2FA, i64 16} |
| |
| // MS-DAG: !{!"?AUA@@", [2 x i8*]* @[[VTA]], i64 8} |
| // MS-DAG: !{!"?AUB@@", [3 x i8*]* @[[VTB]], i64 8} |
| // MS-DAG: !{!"?AUA@@", [2 x i8*]* @[[VTAinB]], i64 8} |
| // MS-DAG: !{!"?AUA@@", [2 x i8*]* @[[VTAinC]], i64 8} |
| // MS-DAG: !{!"?AUB@@", [3 x i8*]* @[[VTBinD]], i64 8} |
| // MS-DAG: !{![[DTYPE]], [3 x i8*]* @[[VTBinD]], i64 8} |
| // MS-DAG: !{!"?AUA@@", [2 x i8*]* @[[VTAinBinD]], i64 8} |
| // MS-DAG: !{!"?AUA@@", [2 x i8*]* @[[VTFA]], i64 8} |
| // MS-DAG: !{!{{[0-9]+}}, [2 x i8*]* @[[VTFA]], i64 8} |