53 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -triple x86_64-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple x86_64-darwin -std=c++11 -fcxx-exceptions -fexceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=EXCEPTIONS
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// PR36748
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// rdar://problem/45805151
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// Classes to verify order of destroying function parameters.
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struct S1 {
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  ~S1();
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};
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struct S2 {
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  ~S2();
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};
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struct Base {
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  // Use variadic args to cause inlining the inherited constructor.
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  Base(const S1&, const S2&, const char *fmt, ...) {}
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};
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struct NonTrivialDtor {
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  ~NonTrivialDtor() {}
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};
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struct Inheritor : public NonTrivialDtor, public Base {
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  using Base::Base;
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};
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void f() {
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  Inheritor(S1(), S2(), "foo");
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  // CHECK-LABEL: define{{.*}} void @_Z1fv
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  // CHECK: %[[TMP1:.*]] = alloca %struct.S1
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  // CHECK: %[[TMP2:.*]] = alloca %struct.S2
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  // CHECK: call void (%struct.Base*, %struct.S1*, %struct.S2*, i8*, ...) @_ZN4BaseC2ERK2S1RK2S2PKcz(%struct.Base* {{.*}}, %struct.S1* noundef nonnull align 1 dereferenceable(1) %[[TMP1]], %struct.S2* noundef nonnull align 1 dereferenceable(1) %[[TMP2]], i8* {{.*}})
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  // CHECK-NEXT: call void @_ZN9InheritorD1Ev(%struct.Inheritor* {{.*}})
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  // CHECK-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]])
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  // CHECK-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]])
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  // EXCEPTIONS-LABEL: define{{.*}} void @_Z1fv
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  // EXCEPTIONS: %[[TMP1:.*]] = alloca %struct.S1
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  // EXCEPTIONS: %[[TMP2:.*]] = alloca %struct.S2
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  // EXCEPTIONS: invoke void (%struct.Base*, %struct.S1*, %struct.S2*, i8*, ...) @_ZN4BaseC2ERK2S1RK2S2PKcz(%struct.Base* {{.*}}, %struct.S1* noundef nonnull align 1 dereferenceable(1) %[[TMP1]], %struct.S2* noundef nonnull align 1 dereferenceable(1) %[[TMP2]], i8* {{.*}})
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  // EXCEPTIONS-NEXT: to label %[[CONT:.*]] unwind label %[[LPAD:.*]]
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  // EXCEPTIONS: [[CONT]]:
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  // EXCEPTIONS-NEXT: call void @_ZN9InheritorD1Ev(%struct.Inheritor* {{.*}})
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  // EXCEPTIONS-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]])
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  // EXCEPTIONS-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]])
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  // EXCEPTIONS: [[LPAD]]:
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  // EXCEPTIONS: call void @_ZN14NonTrivialDtorD2Ev(%struct.NonTrivialDtor* {{.*}})
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  // EXCEPTIONS-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]])
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  // EXCEPTIONS-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]])
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}
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