forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			14 lines
		
	
	
		
			507 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			507 B
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify %s
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| 
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| void clang_analyzer_eval(int);
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| #define CHECK(expr) if (!(expr)) return; clang_analyzer_eval(expr)
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| 
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| void testPersistentConstraints(int x, int y) {
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|   // Sanity check
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|   CHECK(x); // expected-warning{{TRUE}}
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|   CHECK(x & 1); // expected-warning{{TRUE}}
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|   
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|   // False positives due to SValBuilder giving up on certain kinds of exprs.
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|   CHECK(1 - x); // expected-warning{{UNKNOWN}}
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|   CHECK(x & y); // expected-warning{{UNKNOWN}}
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| } |