forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			25 lines
		
	
	
		
			479 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			479 B
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple=x86_64-linux-gnu -emit-llvm -o - %s
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| 
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| // Don't crash if the argument to __builtin_constant_p isn't scalar.
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| template <typename T>
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| constexpr bool is_constant(const T v) {
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|   return __builtin_constant_p(v);
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| }
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| 
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| template <typename T>
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| class numeric {
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|  public:
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|   using type = T;
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| 
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|   template <typename S>
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|   constexpr numeric(S value)
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|       : value_(static_cast<T>(value)) {}
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| 
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|  private:
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|   const T value_;
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| };
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| 
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| bool bcp() {
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|   return is_constant(numeric<int>(1));
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| }
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