| Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-vcall -emit-llvm -o - %s | FileCheck %s |
| Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2 | |
| 3 | struct A { |
| 4 | A(); |
| 5 | virtual void f(); |
| 6 | }; |
| 7 | |
| 8 | struct B : virtual A { |
| 9 | B(); |
| 10 | }; |
| 11 | |
| 12 | struct C : virtual A { |
| 13 | C(); |
| 14 | }; |
| 15 | |
| 16 | namespace { |
| 17 | |
| 18 | struct D : B, C { |
| 19 | D(); |
| 20 | virtual void f(); |
| 21 | }; |
| 22 | |
| 23 | } |
| 24 | |
| 25 | A::A() {} |
| 26 | B::B() {} |
| 27 | C::C() {} |
| 28 | D::D() {} |
| 29 | |
| 30 | void A::f() { |
| 31 | } |
| 32 | |
| 33 | void D::f() { |
| 34 | } |
| 35 | |
| 36 | // CHECK: define void @_Z2afP1A |
| 37 | void af(A *a) { |
| 38 | // CHECK: [[P:%[^ ]*]] = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"1A") |
| 39 | // CHECK-NEXT: br i1 [[P]], label %[[CONTBB:[^ ]*]], label %[[TRAPBB:[^ ]*]] |
| 40 | |
| 41 | // CHECK: [[TRAPBB]] |
| 42 | // CHECK-NEXT: call void @llvm.trap() |
| 43 | // CHECK-NEXT: unreachable |
| 44 | |
| 45 | // CHECK: [[CONTBB]] |
| 46 | // CHECK: call void % |
| 47 | a->f(); |
| 48 | } |
| 49 | |
| 50 | // CHECK: define internal void @_Z2dfPN12_GLOBAL__N_11DE |
| 51 | void df(D *d) { |
| Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 52 | // CHECK: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"[{{.*}}cfi-vcall.cpp]N12_GLOBAL__N_11DE") |
| Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 53 | d->f(); |
| 54 | } |
| 55 | |
| 56 | D d; |
| 57 | |
| 58 | void foo() { |
| 59 | df(&d); |
| 60 | } |
| 61 | |
| 62 | // CHECK-DAG: !{!"1A", [3 x i8*]* @_ZTV1A, i64 16} |
| 63 | // CHECK-DAG: !{!"1A", [5 x i8*]* @_ZTCN12_GLOBAL__N_11DE0_1B, i64 32} |
| 64 | // CHECK-DAG: !{!"1B", [5 x i8*]* @_ZTCN12_GLOBAL__N_11DE0_1B, i64 32} |
| 65 | // CHECK-DAG: !{!"1A", [9 x i8*]* @_ZTCN12_GLOBAL__N_11DE8_1C, i64 64} |
| 66 | // CHECK-DAG: !{!"1C", [9 x i8*]* @_ZTCN12_GLOBAL__N_11DE8_1C, i64 32} |
| 67 | // CHECK-DAG: !{!"1A", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32} |
| 68 | // CHECK-DAG: !{!"1B", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32} |
| 69 | // CHECK-DAG: !{!"1C", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 72} |
| Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 70 | // CHECK-DAG: !{!"[{{.*}}cfi-vcall.cpp]N12_GLOBAL__N_11DE", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32} |
| Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 71 | // CHECK-DAG: !{!"1A", [5 x i8*]* @_ZTV1B, i64 32} |
| 72 | // CHECK-DAG: !{!"1B", [5 x i8*]* @_ZTV1B, i64 32} |
| 73 | // CHECK-DAG: !{!"1A", [5 x i8*]* @_ZTV1C, i64 32} |
| 74 | // CHECK-DAG: !{!"1C", [5 x i8*]* @_ZTV1C, i64 32} |