| // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 -mconstructor-aliases | FileCheck %s |
| |
| struct A { |
| A(); |
| }; |
| |
| // CHECK: @_ZN1AC1Ev = unnamed_addr alias {{.*}} @_ZN1AC2Ev |
| // CHECK-LABEL: define void @_ZN1AC2Ev(%struct.A* %this) unnamed_addr |
| A::A() { } |
| |
| struct B : virtual A { |
| B(); |
| }; |
| |
| // CHECK-LABEL: define void @_ZN1BC2Ev(%struct.B* %this, i8** %vtt) unnamed_addr |
| // CHECK-LABEL: define void @_ZN1BC1Ev(%struct.B* %this) unnamed_addr |
| B::B() { } |
| |
| struct C : virtual A { |
| C(bool); |
| }; |
| |
| // CHECK-LABEL: define void @_ZN1CC2Eb(%struct.C* %this, i8** %vtt, i1 zeroext %0) unnamed_addr |
| // CHECK-LABEL: define void @_ZN1CC1Eb(%struct.C* %this, i1 zeroext %0) unnamed_addr |
| C::C(bool) { } |
| |
| // PR6251 |
| namespace PR6251 { |
| |
| // Test that we don't call the A<char> constructor twice. |
| |
| template<typename T> |
| struct A { A(); }; |
| |
| struct B : virtual A<char> { }; |
| struct C : virtual A<char> { }; |
| |
| struct D : B, C { |
| D(); |
| }; |
| |
| // CHECK-LABEL: define void @_ZN6PR62511DC1Ev(%"struct.PR6251::D"* %this) unnamed_addr |
| // CHECK: call void @_ZN6PR62511AIcEC2Ev |
| // CHECK-NOT: call void @_ZN6PR62511AIcEC2Ev |
| // CHECK: ret void |
| D::D() { } |
| |
| } |
| |
| namespace virtualBaseAlignment { |
| |
| // Check that the store to B::x in the base constructor has an 8-byte alignment. |
| |
| // CHECK: define linkonce_odr void @_ZN20virtualBaseAlignment1BC1Ev(%[[STRUCT_B:.*]]* %[[THIS:.*]]) |
| // CHECK: %[[THIS_ADDR:.*]] = alloca %[[STRUCT_B]]*, align 8 |
| // CHECK: store %[[STRUCT_B]]* %[[THIS]], %[[STRUCT_B]]** %[[THIS_ADDR]], align 8 |
| // CHECK: %[[THIS1:.*]] = load %[[STRUCT_B]]*, %[[STRUCT_B]]** %[[THIS_ADDR]], align 8 |
| // CHECK: %[[X:.*]] = getelementptr inbounds %[[STRUCT_B]], %[[STRUCT_B]]* %[[THIS1]], i32 0, i32 2 |
| // CHECK: store i32 123, i32* %[[X]], align 16 |
| |
| // CHECK: define linkonce_odr void @_ZN20virtualBaseAlignment1BC2Ev(%[[STRUCT_B]]* %[[THIS:.*]], i8** %{{.*}}) |
| // CHECK: %[[THIS_ADDR:.*]] = alloca %[[STRUCT_B]]*, align 8 |
| // CHECK: store %[[STRUCT_B]]* %[[THIS]], %[[STRUCT_B]]** %[[THIS_ADDR]], align 8 |
| // CHECK: %[[THIS1:.*]] = load %[[STRUCT_B]]*, %[[STRUCT_B]]** %[[THIS_ADDR]], align 8 |
| // CHECK: %[[X:.*]] = getelementptr inbounds %[[STRUCT_B]], %[[STRUCT_B]]* %[[THIS1]], i32 0, i32 2 |
| // CHECK: store i32 123, i32* %[[X]], align 8 |
| |
| struct A { |
| __attribute__((aligned(16))) double data1; |
| }; |
| |
| struct B : public virtual A { |
| B() : x(123) {} |
| double a; |
| int x; |
| }; |
| |
| struct C : public virtual B {}; |
| |
| void test() { B b; C c; } |
| |
| } |