forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 %s -triple %itanium_abi_triple -std=c++11 -emit-llvm -o - | FileCheck %s
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| // RUN: %clang_cc1 %s -triple %itanium_abi_triple -std=c++11 -emit-llvm -o - -fstrict-vtable-pointers -O1 | FileCheck --check-prefix=CHECK-INVARIANT %s
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| 
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| // PR5021
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| namespace PR5021 {
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| 
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| struct A {
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|   virtual void f(char);
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| };
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| 
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| void f(A *a) {
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|   // CHECK: call {{.*}}void %
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|   a->f('c');
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| }
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| 
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| struct B : virtual A { 
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|   virtual void f();
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| };
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| 
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| void f(B * b) {
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|   b->f();
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| }
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| 
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| }
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| 
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| namespace Test1 {
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|   struct A { 
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|     virtual ~A(); 
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|   };
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| 
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|   struct B : A {
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|     virtual ~B();
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|     virtual void f();
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|   };
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| 
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|   void f(B *b) {
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|     b->f();
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|   }
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| }
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| 
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| namespace VirtualNoreturn {
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|   struct A {
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|     [[noreturn]] virtual void f();
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|   };
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| 
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|   // CHECK-LABEL: @_ZN15VirtualNoreturn1f
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|   // CHECK-INVARIANT-LABEL: define {{(dso_local )?}}void @_ZN15VirtualNoreturn1f
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|   void f(A *p) {
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|     p->f();
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|     // CHECK: call {{.*}}void %{{[^#]*$}}
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|     // CHECK-NOT: unreachable
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|     // CHECK-INVARIANT: load {{.*}} !invariant.load ![[EMPTY_NODE:[0-9]+]]
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|   }
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| }
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| 
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| // CHECK-INVARIANT: ![[EMPTY_NODE]] = !{}
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