31 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -Wno-unreachable-code %s
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| 
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| typedef __attribute__(( ext_vector_type(4) )) int int4;
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| 
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| static int4 test1() {
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|   int4 vec, rv;
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| 
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|   // comparisons to self...
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|   return vec == vec; // expected-warning{{self-comparison always evaluates to a constant}}
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|   return vec != vec; // expected-warning{{self-comparison always evaluates to a constant}}
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|   return vec < vec; // expected-warning{{self-comparison always evaluates to a constant}}
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|   return vec <= vec; // expected-warning{{self-comparison always evaluates to a constant}}
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|   return vec > vec; // expected-warning{{self-comparison always evaluates to a constant}}
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|   return vec >= vec; // expected-warning{{self-comparison always evaluates to a constant}}
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| }
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| 
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| 
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| typedef __attribute__(( ext_vector_type(4) )) float float4;
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| 
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| static int4 test2() {
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|   float4 vec, rv;
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| 
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|   // comparisons to self.  no warning, they're floats
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|   return vec == vec; // no-warning
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|   return vec != vec; // no-warning
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|   return vec < vec;  // no-warning
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|   return vec <= vec; // no-warning
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|   return vec > vec;  // no-warning
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|   return vec >= vec; // no-warning
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| }
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