derek.holloway
7502bf64a4
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47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
// RUN: %clang_cc1 -flto -triple x86_64-unknown-linux -fsanitize=cfi-vcall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ITANIUM %s
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// RUN: %clang_cc1 -flto -triple x86_64-pc-windows-msvc -fsanitize=cfi-vcall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
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struct A {
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A();
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virtual void f();
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};
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A::A() {}
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void A::f() {}
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void caller(A* a) {
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a->f();
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}
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namespace {
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struct B {
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virtual void f();
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};
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void B::f() {}
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} // namespace
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void g() {
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B b;
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b.f();
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}
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// MS: @[[B_VTABLE:.*]] = private constant { [2 x ptr] } {{.*}}@"??_R4B@?A0x{{[^@]*}}@@6B@"{{.*}}@"?f@B@?A0x{{[^@]*}}@@UEAAXXZ"
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// CHECK-LABEL: caller
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// CHECK: %[[A:.*]] = load ptr, ptr
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// CHECK: %[[VT:.*]] = load ptr, ptr %[[A]]
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// ITANIUM: %[[TEST:.*]] = call i1 @llvm.type.test(ptr %[[VT]], metadata !"_ZTS1A"), !nosanitize
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// MS: %[[TEST:.*]] = call i1 @llvm.type.test(ptr %[[VT]], metadata !"?AUA@@"), !nosanitize
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// CHECK: br i1 %[[TEST]], label %[[CONT:.*]], label %[[SLOW:.*]], {{.*}} !nosanitize
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// CHECK: [[SLOW]]
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// ITANIUM: call void @__cfi_slowpath_diag(i64 7004155349499253778, ptr %[[VT]], {{.*}}) {{.*}} !nosanitize
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// MS: call void @__cfi_slowpath_diag(i64 -8005289897957287421, ptr %[[VT]], {{.*}}) {{.*}} !nosanitize
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// CHECK: br label %[[CONT]], !nosanitize
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// CHECK: [[CONT]]
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// CHECK: call void %{{.*}}(ptr {{[^,]*}} %{{.*}})
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// No hash-based bit set entry for (anonymous namespace)::B
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// ITANIUM-NOT: !{i64 {{.*}}, ptr @_ZTVN12_GLOBAL__N_11BE,
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// MS-NOT: !{i64 {{.*}}, ptr @[[B_VTABLE]],
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