| 1 | // RUN: %clang_cc1 -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s |
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| 2 | // RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s |
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| 3 | |
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| 4 | class A { |
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| 5 | public: |
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| 6 | int x; |
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| 7 | A() {} |
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| 8 | virtual ~A() {} |
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| 9 | }; |
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| 10 | A a; |
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| 11 | |
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| 12 | class B : virtual public A { |
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| 13 | public: |
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| 14 | int y; |
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| 15 | B() {} |
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| 16 | ~B() {} |
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| 17 | }; |
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| 18 | B b; |
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| 19 | |
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| 20 | // CHECK-LABEL: define {{.*}}AD1Ev |
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| 21 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 22 | // CHECK: call void {{.*}}AD2Ev |
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| 23 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 24 | // CHECK: ret void |
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| 25 | |
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| 26 | // After invoking base dtor and dtor for virtual base, poison vtable ptr. |
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| 27 | // CHECK-LABEL: define {{.*}}BD1Ev |
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| 28 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 29 | // CHECK: call void {{.*}}BD2Ev |
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| 30 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 31 | // CHECK: call void {{.*}}AD2Ev |
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| 32 | // CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8 |
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| 33 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 34 | // CHECK: ret void |
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| 35 | |
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| 36 | // Since no virtual bases, poison vtable ptr here. |
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| 37 | // CHECK-LABEL: define {{.*}}AD2Ev |
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| 38 | // CHECK: call void @__sanitizer_dtor_callback |
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| 39 | // CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8 |
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| 40 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 41 | // CHECK: ret void |
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| 42 | |
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| 43 | // Poison members |
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| 44 | // CHECK-LABEL: define {{.*}}BD2Ev |
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| 45 | // CHECK: call void @__sanitizer_dtor_callback |
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| 46 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
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| 47 | // CHECK: ret void |
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| 48 | |
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