hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// RUN: %clang_cc1 -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-optzns -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-optzns -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
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class A {
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public:
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int x;
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A() {}
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virtual ~A() {}
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};
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A a;
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class B : virtual public A {
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public:
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int y;
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B() {}
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~B() {}
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};
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B b;
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// CHECK-LABEL: define {{.*}}AD1Ev
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: call void {{.*}}AD2Ev
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: ret void
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// After invoking base dtor and dtor for virtual base, poison vtable ptr.
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// CHECK-LABEL: define {{.*}}BD1Ev
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: call void {{.*}}BD2Ev
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: call void {{.*}}AD2Ev
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// CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: ret void
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// Since no virtual bases, poison vtable ptr here.
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// CHECK-LABEL: define {{.*}}AD2Ev
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// CHECK: call void @__sanitizer_dtor_callback
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// CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: ret void
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// Poison members
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// CHECK-LABEL: define {{.*}}BD2Ev
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// CHECK: call void @__sanitizer_dtor_callback
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: ret void
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