45 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -fsycl-is-device -verify %s
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// Only function templates
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[[clang::sycl_kernel]] int gv2 = 0; // expected-warning {{'sycl_kernel' attribute only applies to function templates}}
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__attribute__((sycl_kernel)) int gv3 = 0; // expected-warning {{'sycl_kernel' attribute only applies to function templates}}
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__attribute__((sycl_kernel)) void foo(); // expected-warning {{'sycl_kernel' attribute only applies to function templates}}
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[[clang::sycl_kernel]] void foo1(); // expected-warning {{'sycl_kernel' attribute only applies to function templates}}
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// Attribute takes no arguments
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template <typename T, typename A>
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__attribute__((sycl_kernel(1))) void foo(T P); // expected-error {{'sycl_kernel' attribute takes no arguments}}
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template <typename T, typename A, int I>
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[[clang::sycl_kernel(1)]] void foo1(T P);// expected-error {{'sycl_kernel' attribute takes no arguments}}
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// At least two template parameters
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template <typename T>
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__attribute__((sycl_kernel)) void foo(T P); // expected-warning {{'sycl_kernel' attribute only applies to a function template with at least two template parameters}}
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template <typename T>
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[[clang::sycl_kernel]] void foo1(T P); // expected-warning {{'sycl_kernel' attribute only applies to a function template with at least two template parameters}}
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// First two template parameters cannot be non-type template parameters
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template <typename T, int A>
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__attribute__((sycl_kernel)) void foo(T P); // expected-warning {{template parameter of a function template with the 'sycl_kernel' attribute cannot be a non-type template parameter}}
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template <int A, typename T>
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[[clang::sycl_kernel]] void foo1(T P); // expected-warning {{template parameter of a function template with the 'sycl_kernel' attribute cannot be a non-type template parameter}}
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// Must return void
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template <typename T, typename A>
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__attribute__((sycl_kernel)) int foo(T P); // expected-warning {{function template with 'sycl_kernel' attribute must have a 'void' return type}}
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template <typename T, typename A>
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[[clang::sycl_kernel]] int foo1(T P); // expected-warning {{function template with 'sycl_kernel' attribute must have a 'void' return type}}
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// Must take at least one argument
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template <typename T, typename A>
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__attribute__((sycl_kernel)) void foo(); // expected-warning {{function template with 'sycl_kernel' attribute must have a single parameter}}
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template <typename T, typename A>
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[[clang::sycl_kernel]] void foo1(T t, A a); // expected-warning {{function template with 'sycl_kernel' attribute must have a single parameter}}
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// No diagnostics
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template <typename T, typename A>
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__attribute__((sycl_kernel)) void foo(T P);
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template <typename T, typename A, int I>
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[[clang::sycl_kernel]] void foo1(T P);
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