| // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -emit-llvm %s -fstrict-vtable-pointers -O1 -o - -disable-llvm-passes | FileCheck %s |
| |
| struct A { |
| virtual void foo(); |
| }; |
| |
| struct D : A { |
| void foo(); |
| }; |
| |
| // CHECK-LABEL: define void @_Z21testExternallyVisiblev() |
| void testExternallyVisible() { |
| A *a = new A; |
| |
| // CHECK: load {{.*}} !invariant.group ![[MD:[0-9]+]] |
| a->foo(); |
| |
| D *d = new D; |
| // CHECK: call void @_ZN1DC1Ev( |
| // CHECK: load {{.*}} !invariant.group ![[MD]] |
| d->foo(); |
| A *a2 = d; |
| // CHECK: load {{.*}} !invariant.group ![[MD]] |
| a2->foo(); |
| } |
| // CHECK-LABEL: {{^}}} |
| |
| namespace { |
| |
| struct B { |
| virtual void bar(); |
| }; |
| |
| struct C : B { |
| void bar(); |
| }; |
| |
| } |
| |
| // CHECK-LABEL: define void @_Z21testInternallyVisibleb( |
| void testInternallyVisible(bool p) { |
| B *b = new B; |
| // CHECK: = load {{.*}}, !invariant.group ![[MD]] |
| b->bar(); |
| |
| // CHECK: call void @_ZN12_GLOBAL__N_11CC1Ev( |
| C *c = new C; |
| // CHECK: = load {{.*}}, !invariant.group ![[MD]] |
| c->bar(); |
| } |
| |
| // Checking A::A() |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev( |
| // CHECK: store {{.*}}, !invariant.group ![[MD]] |
| // CHECK-LABEL: {{^}}} |
| |
| // Checking D::D() |
| // CHECK-LABEL: define linkonce_odr void @_ZN1DC2Ev( |
| // CHECK: = call i8* @llvm.launder.invariant.group.p0i8(i8* |
| // CHECK: call void @_ZN1AC2Ev(%struct.A* |
| // CHECK: store {{.*}} !invariant.group ![[MD]] |
| |
| // Checking B::B() |
| // CHECK-LABEL: define internal void @_ZN12_GLOBAL__N_11BC2Ev( |
| // CHECK: store {{.*}}, !invariant.group ![[MD]] |
| |
| // Checking C::C() |
| // CHECK-LABEL: define internal void @_ZN12_GLOBAL__N_11CC2Ev( |
| // CHECK: store {{.*}}, !invariant.group ![[MD]] |
| |
| // CHECK: ![[MD]] = !{} |
