531 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			531 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o - | FileCheck %s
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| 
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| // See microsoft-abi-structors.cpp for constructor codegen tests.
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| }
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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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| 
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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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| }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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@@" =
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| // CHECK-DAG: @"\01??_8F@Test16@@7BB@1@E@1@@" =
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| // CHECK-DAG: @"\01??_8F@Test16@@7BD@1@@" =
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| // CHECK-DAG: @"\01??_8F@Test16@@7BC@1@@" =
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| // CHECK-DAG: @"\01??_8F@Test16@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test16@@7B01@@" =
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| // CHECK-DAG: @"\01??_8E@Test16@@7BD@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test16@@7BC@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test16@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8D@Test16@@7B@" =
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| // CHECK-DAG: @"\01??_8D@Test16@@7BC@1@@" =
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| // CHECK-DAG: @"\01??_8D@Test16@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8C@Test16@@7B01@@" =
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| // CHECK-DAG: @"\01??_8C@Test16@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8B@Test16@@7B@" =
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| }
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| 
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| namespace Test17 {
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| // This test case has an interesting alternating pattern of using "vbtable of B"
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| // and "vbtable of C for C".  This may be the key to the underlying algorithm.
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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 : virtual E { int f; };
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| struct G : virtual F { int g; }; // ambig
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| struct H : virtual G { int h; };
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| struct I : virtual H { int i; }; // ambig
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| struct J : virtual I { int j; };
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| struct K : virtual J { int k; }; // ambig
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| K k;
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| 
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| // CHECK-DAG: @"\01??_8K@Test17@@7B01@@" =
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| // CHECK-DAG: @"\01??_8J@Test17@@7B@" =
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| // CHECK-DAG: @"\01??_8I@Test17@@7B01@@" =
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| // CHECK-DAG: @"\01??_8H@Test17@@7B@" =
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| // CHECK-DAG: @"\01??_8G@Test17@@7B01@@" =
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| // CHECK-DAG: @"\01??_8F@Test17@@7B@" =
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| // CHECK-DAG: @"\01??_8E@Test17@@7B01@@" =
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| // CHECK-DAG: @"\01??_8D@Test17@@7B@" =
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| // CHECK-DAG: @"\01??_8C@Test17@@7B01@@" =
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| // CHECK-DAG: @"\01??_8B@Test17@@7B@" =
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| }
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| 
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| namespace Test18 {
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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 : 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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| 
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| // CHECK-DAG: @"\01??_8E@Test18@@7BC@1@D@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test18@@7BB@1@D@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test18@@7BC@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test18@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8B@Test18@@7B@" =
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| // CHECK-DAG: @"\01??_8C@Test18@@7B@" =
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| // CHECK-DAG: @"\01??_8D@Test18@@7BC@1@@" =
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| // CHECK-DAG: @"\01??_8D@Test18@@7BB@1@@" =
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| }
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| 
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| namespace Test19 {
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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, virtual B { int d; };
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| struct E : virtual D, virtual C, virtual B { int e; };
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| E e;
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| 
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| // CHECK-DAG: @"\01??_8E@Test19@@7B01@@" =
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| // CHECK-DAG: @"\01??_8E@Test19@@7BD@1@@" =
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| // CHECK-DAG: @"\01??_8E@Test19@@7BC@1@@" =
 | |
| // CHECK-DAG: @"\01??_8E@Test19@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8D@Test19@@7B@" =
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| // CHECK-DAG: @"\01??_8D@Test19@@7BC@1@@" =
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| // CHECK-DAG: @"\01??_8D@Test19@@7BB@1@@" =
 | |
| // CHECK-DAG: @"\01??_8C@Test19@@7B01@@" =
 | |
| // CHECK-DAG: @"\01??_8C@Test19@@7BB@1@@" =
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| // CHECK-DAG: @"\01??_8B@Test19@@7B@" =
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| }
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| 
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| namespace Test20 {
 | |
| // E has no direct vbases, but it adds to C's vbtable anyway.
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| 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]
 | |
| }
 | |
| 
 | |
| namespace Test27 {
 | |
| // PR17748
 | |
| struct A {};
 | |
| struct B : virtual A {};
 | |
| struct C : virtual B {};
 | |
| struct D : C, B {};
 | |
| struct E : D {};
 | |
| struct F : C, E {};
 | |
| struct G : F, D, C, B {};
 | |
| G x;
 | |
| 
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BB@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BB@1@F@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BC@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BC@1@D@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BC@1@E@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BC@1@F@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BD@1@@" =
 | |
| // CHECK-DAG: @"\01??_8G@Test27@@7BF@1@@" =
 | |
| }
 | |
| 
 | |
| namespace Test28 {
 | |
| // PR17748
 | |
| struct A {};
 | |
| struct B : virtual A {};
 | |
| struct C : virtual B {};
 | |
| struct D : C, B {};
 | |
| struct E : C, D {};
 | |
| struct F : virtual E, virtual D, virtual C {};
 | |
| F x;
 | |
| 
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7B01@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BB@1@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BC@1@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BC@1@D@1@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BC@1@D@1@E@1@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BC@1@E@1@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BD@1@@" =
 | |
| // CHECK-DAG: @"\01??_8F@Test28@@7BE@1@@" =
 | |
| }
 | |
| 
 | |
| namespace Test29 {
 | |
| struct A {};
 | |
| struct B : virtual A {};
 | |
| struct C : virtual B {};
 | |
| struct D : C {};
 | |
| D d;
 | |
| 
 | |
| // CHECK-DAG: @"\01??_8D@Test29@@7BB@1@@" = linkonce_odr unnamed_addr constant [2 x i32] zeroinitializer
 | |
| }
 |