480 lines
16 KiB
C++
480 lines
16 KiB
C++
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// RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=i386-pc-win32 -emit-llvm -o - | FileCheck %s
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// See microsoft-abi-structors.cpp for constructor codegen tests.
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namespace Test1 {
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// Classic diamond, fully virtual.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual A { int c; };
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struct D : virtual B, virtual C { int d; };
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D d; // Force vbtable emission.
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// Layout should be:
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// D: vbptr D
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// int d
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// A: int a
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// B: vbptr B
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// int b
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// C: vbptr C
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// int c
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// CHECK-DAG: @"\01??_8D@Test1@@7B01@@" = linkonce_odr unnamed_addr constant [4 x i32] [i32 0, i32 8, i32 12, i32 20]
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// CHECK-DAG: @"\01??_8D@Test1@@7BB@1@@" = {{.*}} [2 x i32] [i32 0, i32 -4]
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// CHECK-DAG: @"\01??_8D@Test1@@7BC@1@@" = {{.*}} [2 x i32] [i32 0, i32 -12]
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// CHECK-DAG: @"\01??_8C@Test1@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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// CHECK-DAG: @"\01??_8B@Test1@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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}
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namespace Test2 {
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// Classic diamond, only A is virtual.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual A { int c; };
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struct D : B, C { int d; };
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D d; // Force vbtable emission.
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// Layout should be:
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// B: vbptr B
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// int b
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// C: vbptr C
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// int c
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// D: int d
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// A: int a
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// CHECK-DAG: @"\01??_8D@Test2@@7BB@1@@" = {{.*}} [2 x i32] [i32 0, i32 20]
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// CHECK-DAG: @"\01??_8D@Test2@@7BC@1@@" = {{.*}} [2 x i32] [i32 0, i32 12]
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// CHECK-DAG: @"\01??_8C@Test2@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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// CHECK-DAG: @"\01??_8B@Test2@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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}
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namespace Test3 {
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struct A { int a; };
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struct B { int b; };
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struct C : virtual A, virtual B { int c; };
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C c;
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// CHECK-DAG: @"\01??_8C@Test3@@7B@" = {{.*}} [3 x i32] [i32 0, i32 8, i32 12]
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}
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namespace Test4 {
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// Test reusing a vbptr from a non-virtual base.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : B, virtual A { int c; };
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C c; // Force vbtable emission.
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// CHECK-DAG: @"\01??_8C@Test4@@7B@" = {{.*}} [2 x i32] [i32 0, i32 12]
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// CHECK-DAG: @"\01??_8B@Test4@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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}
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namespace Test5 {
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// Test multiple base subobjects of the same type when that type has a virtual
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// base.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : B { int c; };
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struct D : B, C { int d; };
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D d; // Force vbtable emission.
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// CHECK-DAG: @"\01??_8D@Test5@@7BB@1@@"
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// CHECK-DAG: @"\01??_8D@Test5@@7BC@1@@"
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// CHECK-DAG: @"\01??_8C@Test5@@7B@"
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// CHECK-DAG: @"\01??_8B@Test5@@7B@"
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}
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namespace Test6 {
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// Test that we skip unneeded base path component names.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : B { int c; };
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struct D : B, C { int d; };
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struct E : D { int e; };
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struct F : E, B, C { int f; };
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struct G : F, virtual E { int g; };
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G g;
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// CHECK-DAG: @"\01??_8G@Test6@@7BB@1@E@1@F@1@@" =
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// CHECK-DAG: @"\01??_8G@Test6@@7BC@1@E@1@F@1@@" =
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// CHECK-DAG: @"\01??_8G@Test6@@7BB@1@F@1@@" =
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// CHECK-DAG: @"\01??_8G@Test6@@7BC@1@F@1@@" =
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// CHECK-DAG: @"\01??_8G@Test6@@7BB@1@E@1@@" =
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// CHECK-DAG: @"\01??_8G@Test6@@7BC@1@E@1@@" =
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// CHECK-DAG: @"\01??_8F@Test6@@7BB@1@E@1@@" = {{.*}} [2 x i32] [i32 0, i32 52]
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// CHECK-DAG: @"\01??_8F@Test6@@7BC@1@E@1@@" = {{.*}} [2 x i32] [i32 0, i32 44]
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// CHECK-DAG: @"\01??_8F@Test6@@7BB@1@@" = {{.*}} [2 x i32] [i32 0, i32 24]
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// CHECK-DAG: @"\01??_8F@Test6@@7BC@1@@" = {{.*}} [2 x i32] [i32 0, i32 16]
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// CHECK-DAG: @"\01??_8C@Test6@@7B@" = {{.*}} [2 x i32] [i32 0, i32 12]
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// CHECK-DAG: @"\01??_8B@Test6@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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// CHECK-DAG: @"\01??_8E@Test6@@7BB@1@@" = {{.*}} [2 x i32] [i32 0, i32 28]
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// CHECK-DAG: @"\01??_8E@Test6@@7BC@1@@" = {{.*}} [2 x i32] [i32 0, i32 20]
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// CHECK-DAG: @"\01??_8D@Test6@@7BB@1@@" = {{.*}} [2 x i32] [i32 0, i32 24]
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// CHECK-DAG: @"\01??_8D@Test6@@7BC@1@@" = {{.*}} [2 x i32] [i32 0, i32 16]
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}
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namespace Test7 {
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// Test a non-virtual base which reuses the vbptr of another base.
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struct A { int a; };
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struct B { int b; };
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struct C { int c; };
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struct D : virtual A { int d; };
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struct E : B, D, virtual A, virtual C { int e; };
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E o;
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// CHECK-DAG: @"\01??_8E@Test7@@7B@" = {{.*}} [3 x i32] [i32 0, i32 12, i32 16]
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// CHECK-DAG: @"\01??_8D@Test7@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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}
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namespace Test8 {
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// Test a virtual base which reuses the vbptr of another base.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : B { int c; };
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struct D : virtual C { int d; };
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D o;
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// CHECK-DAG: @"\01??_8D@Test8@@7B01@@" = {{.*}} [3 x i32] [i32 0, i32 8, i32 12]
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// CHECK-DAG: @"\01??_8D@Test8@@7BC@1@@" = {{.*}} [2 x i32] [i32 0, i32 -4]
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// CHECK-DAG: @"\01??_8C@Test8@@7B@" = {{.*}} [2 x i32] [i32 0, i32 12]
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// CHECK-DAG: @"\01??_8B@Test8@@7B@" = {{.*}} [2 x i32] [i32 0, i32 8]
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}
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namespace Test9 {
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// D has to add to B's vbtable because D has more morally virtual bases than B.
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// D then takes B's vbptr and the vbtable is named for D, not B.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual B { int c; };
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struct BB : B { int bb; }; // Indirection =/
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struct D : BB, C { int d; };
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struct E : virtual D { };
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E e;
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// CHECK-DAG: @"\01??_8E@Test9@@7B01@@" =
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// CHECK-DAG: @"\01??_8E@Test9@@7BD@1@@" =
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// CHECK-DAG: @"\01??_8E@Test9@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8E@Test9@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8D@Test9@@7B@" =
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// CHECK-DAG: @"\01??_8D@Test9@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8D@Test9@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8C@Test9@@7B01@@" =
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// CHECK-DAG: @"\01??_8C@Test9@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8BB@Test9@@7B@" =
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// CHECK-DAG: @"\01??_8B@Test9@@7B@" =
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}
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namespace Test10 {
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struct A { int a; };
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struct B { int b; };
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struct C : virtual A { int c; };
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struct D : B, C { int d; };
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D d;
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// CHECK-DAG: @"\01??_8D@Test10@@7B@" =
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// CHECK-DAG: @"\01??_8C@Test10@@7B@" =
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}
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namespace Test11 {
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// Typical diamond with an extra single inheritance indirection for B and C.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual A { int c; };
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struct D : B { int d; };
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struct E : C { int e; };
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struct F : D, E { int f; };
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F f;
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// CHECK-DAG: @"\01??_8F@Test11@@7BD@1@@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 28]
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// CHECK-DAG: @"\01??_8F@Test11@@7BE@1@@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 16]
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// CHECK-DAG: @"\01??_8E@Test11@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 12]
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// CHECK-DAG: @"\01??_8C@Test11@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
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// CHECK-DAG: @"\01??_8D@Test11@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 12]
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// CHECK-DAG: @"\01??_8B@Test11@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
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}
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namespace Test12 {
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// Another vbptr inside a virtual base.
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual B { int c; };
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struct D : C, B { int d; };
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struct E : D, C, B { int e; };
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E e;
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// CHECK-DAG: @"\01??_8E@Test12@@7BC@1@D@1@@" =
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// CHECK-DAG: @"\01??_8E@Test12@@7BB@1@D@1@@" =
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// CHECK-DAG: @"\01??_8E@Test12@@7BD@1@@" =
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// CHECK-DAG: @"\01??_8E@Test12@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8E@Test12@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8C@Test12@@7B01@@" =
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// CHECK-DAG: @"\01??_8C@Test12@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8D@Test12@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8D@Test12@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8D@Test12@@7B@" =
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// CHECK-DAG: @"\01??_8B@Test12@@7B@" =
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}
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namespace Test13 {
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual B { int c; };
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struct D : virtual C { int d; };
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struct E : D, C, B { int e; };
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E e;
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// CHECK-DAG: @"\01??_8E@Test13@@7BD@1@@" =
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// CHECK-DAG: @"\01??_8E@Test13@@7BC@1@D@1@@" =
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// CHECK-DAG: @"\01??_8E@Test13@@7BB@1@D@1@@" =
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// CHECK-DAG: @"\01??_8E@Test13@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8E@Test13@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8D@Test13@@7B@" =
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// CHECK-DAG: @"\01??_8D@Test13@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8D@Test13@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8C@Test13@@7B01@@" =
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// CHECK-DAG: @"\01??_8C@Test13@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8B@Test13@@7B@" =
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}
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namespace Test14 {
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual B { int c; };
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struct D : virtual C { int d; };
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struct E : D, virtual C, virtual B { int e; };
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E e;
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// CHECK-DAG: @"\01??_8E@Test14@@7B@" =
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// CHECK-DAG: @"\01??_8E@Test14@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8E@Test14@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8D@Test14@@7B@" =
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// CHECK-DAG: @"\01??_8D@Test14@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8D@Test14@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8C@Test14@@7B01@@" =
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// CHECK-DAG: @"\01??_8C@Test14@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8B@Test14@@7B@" =
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}
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namespace Test15 {
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual A { int c; };
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struct D : virtual B { int d; };
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struct E : D, C, B { int e; };
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E e;
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// CHECK-DAG: @"\01??_8E@Test15@@7BD@1@@" =
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// CHECK-DAG: @"\01??_8E@Test15@@7BB@1@D@1@@" =
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// CHECK-DAG: @"\01??_8E@Test15@@7BC@1@@" =
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// CHECK-DAG: @"\01??_8E@Test15@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8C@Test15@@7B@" =
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// CHECK-DAG: @"\01??_8D@Test15@@7B01@@" =
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// CHECK-DAG: @"\01??_8D@Test15@@7BB@1@@" =
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// CHECK-DAG: @"\01??_8B@Test15@@7B@" =
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}
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namespace Test16 {
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struct A { int a; };
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struct B : virtual A { int b; };
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struct C : virtual B { int c; }; // ambig
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struct D : virtual C { int d; };
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struct E : virtual D { int e; }; // ambig
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struct F : E, D, C, B { int f; }; // ambig
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F f;
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// CHECK-DAG: @"\01??_8F@Test16@@7BE@1@@" =
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// CHECK-DAG: @"\01??_8F@Test16@@7BD@1@E@1@@" =
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// CHECK-DAG: @"\01??_8F@Test16@@7BC@1@E@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test16@@7BB@1@E@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test16@@7BD@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test16@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test16@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test16@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test16@@7BD@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test16@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test16@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test16@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test16@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test16@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test16@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test16@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test16@@7B@" =
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test17 {
|
||
|
|
// This test case has an interesting alternating pattern of using "vbtable of B"
|
||
|
|
// and "vbtable of C for C". This may be the key to the underlying algorithm.
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C : virtual B { int c; }; // ambig
|
||
|
|
struct D : virtual C { int d; };
|
||
|
|
struct E : virtual D { int e; }; // ambig
|
||
|
|
struct F : virtual E { int f; };
|
||
|
|
struct G : virtual F { int g; }; // ambig
|
||
|
|
struct H : virtual G { int h; };
|
||
|
|
struct I : virtual H { int i; }; // ambig
|
||
|
|
struct J : virtual I { int j; };
|
||
|
|
struct K : virtual J { int k; }; // ambig
|
||
|
|
K k;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8K@Test17@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8J@Test17@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8I@Test17@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8H@Test17@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8G@Test17@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test17@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test17@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test17@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test17@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test17@@7B@" =
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test18 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C : B { int c; };
|
||
|
|
struct D : C, B { int d; };
|
||
|
|
struct E : D, C, B { int e; };
|
||
|
|
E e;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test18@@7BC@1@D@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test18@@7BB@1@D@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test18@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test18@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test18@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test18@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test18@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test18@@7BB@1@@" =
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test19 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C : virtual B { int c; };
|
||
|
|
struct D : virtual C, virtual B { int d; };
|
||
|
|
struct E : virtual D, virtual C, virtual B { int e; };
|
||
|
|
E e;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test19@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test19@@7BD@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test19@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test19@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test19@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test19@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test19@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test19@@7B01@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test19@@7BB@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test19@@7B@" =
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test20 {
|
||
|
|
// E has no direct vbases, but it adds to C's vbtable anyway.
|
||
|
|
struct A { int a; };
|
||
|
|
struct B { int b; };
|
||
|
|
struct C : virtual A { int c; };
|
||
|
|
struct D : virtual B { int d; };
|
||
|
|
struct E : C, D { int e; };
|
||
|
|
E f;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test20@@7BC@1@@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 0, i32 20, i32 24]
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test20@@7BD@1@@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 16]
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test20@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test20@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test21 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C : B { int c; };
|
||
|
|
struct D : B { int d; };
|
||
|
|
struct E : C, D { int e; };
|
||
|
|
struct F : virtual E { int f; };
|
||
|
|
struct G : E { int g; };
|
||
|
|
struct H : F, G { int h; };
|
||
|
|
H h;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8H@Test21@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8H@Test21@@7BC@1@F@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8H@Test21@@7BD@1@F@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8H@Test21@@7BC@1@G@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8H@Test21@@7BD@1@G@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8G@Test21@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8G@Test21@@7BD@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test21@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test21@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test21@@7BD@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test21@@7BC@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8E@Test21@@7BD@1@@" =
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test21@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test21@@7B@" =
|
||
|
|
// CHECK-DAG: @"\01??_8C@Test21@@7B@" =
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test22 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C { int c; };
|
||
|
|
struct D : B, virtual C { int d; };
|
||
|
|
D d;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test22@@7B@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 0, i32 12, i32 16]
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test22@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test23 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C { int c; };
|
||
|
|
// Note the unusual order of bases. It forces C to be laid out before A.
|
||
|
|
struct D : virtual C, B { int d; };
|
||
|
|
D d;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test23@@7B@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 0, i32 16, i32 12]
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test23@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test24 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A { int b; };
|
||
|
|
struct C { int c; };
|
||
|
|
struct D : virtual C, B {
|
||
|
|
virtual void f(); // Issues a vfptr, but the vbptr is still shared with B.
|
||
|
|
int d;
|
||
|
|
};
|
||
|
|
D d;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test24@@7B@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 0, i32 16, i32 12]
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test24@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 8]
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test25 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B : virtual A {
|
||
|
|
virtual void f(); // Issues a vfptr.
|
||
|
|
int b;
|
||
|
|
};
|
||
|
|
struct C { int c; };
|
||
|
|
struct D : virtual C, B { int d; };
|
||
|
|
D d;
|
||
|
|
|
||
|
|
// CHECK-DAG: @"\01??_8D@Test25@@7B@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 -4, i32 16, i32 12]
|
||
|
|
// CHECK-DAG: @"\01??_8B@Test25@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 -4, i32 8]
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace Test26 {
|
||
|
|
struct A { int a; };
|
||
|
|
struct B { int b; };
|
||
|
|
struct C { int c; };
|
||
|
|
struct D : virtual A { int d; };
|
||
|
|
struct E : virtual B {
|
||
|
|
virtual void foo(); // Issues a vfptr.
|
||
|
|
int e;
|
||
|
|
};
|
||
|
|
struct F: virtual C, D, E { int f; };
|
||
|
|
F f;
|
||
|
|
// F reuses the D's vbptr, even though D is laid out after E.
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test26@@7BD@1@@" = linkonce_odr unnamed_addr constant [4 x i32] [i32 0, i32 16, i32 12, i32 20]
|
||
|
|
// CHECK-DAG: @"\01??_8F@Test26@@7BE@1@@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 -4, i32 28]
|
||
|
|
}
|