33 lines
		
	
	
		
			819 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			819 B
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -triple i686-linux-gnu %s -emit-llvm -o - | FileCheck %s
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class A {
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  // append has to have the same prototype as fn1 to tickle the bug.
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  void (*append)(A *);
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};
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class B {};
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class D;
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// C has to be non-C++98 POD with available tail padding, making the LLVM base
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// type differ from the complete LLVM type.
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class C {
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  // This member creates a circular LLVM type reference to %class.D.
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  D *m_group;
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  B changeListeners;
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};
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class D : C {};
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void fn1(A *p1) {
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}
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void
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fn2(C *) {
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}
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// We end up using an opaque type for 'append' to avoid circular references.
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// CHECK: %class.A = type { {}* }
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// CHECK: %class.C = type <{ %class.D*, %class.B, [3 x i8] }>
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// CHECK: %class.D = type { %class.C.base, [3 x i8] }
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// CHECK: %class.C.base = type <{ %class.D*, %class.B }>
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// CHECK: %class.B = type { i8 }
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