27 lines
		
	
	
		
			802 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			802 B
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple armv7-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s
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| // RUN: %clang_cc1 -triple arm64-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s
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| 
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| // According to the Itanium ABI (3.1.1), types with non-trivial copy
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| // constructors passed by value should be passed indirectly, with the caller
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| // creating a temporary.
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| 
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| struct Empty;
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| 
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| struct Empty {
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|   Empty(const Empty &e);
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|   bool check();
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| };
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| 
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| bool foo(Empty e) {
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| // CHECK: @_Z3foo5Empty(%struct.Empty* %e)
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| // CHECK: call {{.*}} @_ZN5Empty5checkEv(%struct.Empty* %e)
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|   return e.check();
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| }
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| 
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| void caller(Empty &e) {
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| // CHECK: @_Z6callerR5Empty(%struct.Empty* nonnull %e)
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| // CHECK: call {{.*}} @_ZN5EmptyC1ERKS_(%struct.Empty* [[NEWTMP:%.*]], %struct.Empty*
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| // CHECK: call {{.*}} @_Z3foo5Empty(%struct.Empty* [[NEWTMP]])
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|   foo(e);
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| }
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