derek.holloway
7502bf64a4
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69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_"
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// RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_"
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// Base dtor poisons members
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// Complete dtor poisons vtable ptr after destroying members and
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// virtual bases
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class Base {
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public:
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int x;
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Base() {
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x = 5;
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}
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virtual ~Base() {
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x += 1;
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}
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};
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class Derived : public Base {
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public:
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int y;
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Derived() {
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y = 10;
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}
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~Derived() {
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y += 1;
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}
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};
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Derived d;
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// Invoke base destructor. No vtable pointer to poison.
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// CHECK-LABEL: define {{.*}}DerivedD1Ev
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// CHECK: call void {{.*}}DerivedD2Ev
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}DerivedD0Ev
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// CHECK: call void {{.*}}DerivedD1Ev
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// CHECK: ret void
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// Invokes base destructor, and poison vtable pointer.
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// CHECK-LABEL: define {{.*}}BaseD1Ev
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// CHECK: call void {{.*}}BaseD2Ev
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}BaseD0Ev
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// CHECK: call void {{.*}}BaseD1Ev
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// CHECK: ret void
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// Poison members and vtable ptr.
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// CHECK-LABEL: define {{.*}}BaseD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, !dbg ![[DI1:[0-9]+]]
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// CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}){{.*}}, !dbg ![[DI2:[0-9]+]]
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// CHECK: ret void
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// Poison members and destroy non-virtual base.
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// CHECK-LABEL: define {{.*}}DerivedD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, !dbg ![[DI3:[0-9]+]]
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// CHECK: call void {{.*}}BaseD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}){{.*}}, !dbg ![[DI4:[0-9]+]]
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// CHECK: ret void
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// CHECK-LABEL: !DIFile{{.*}}cpp
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// CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-55]]
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// CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-50]]
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// CHECK-DAG: ![[DI3]] = {{.*}}line: [[@LINE-46]]
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// CHECK-DAG: ![[DI4]] = {{.*}}line: [[@LINE-41]]
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