forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			31 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple i386-mingw32 -fms-extensions -fsyntax-only -verify %s
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| // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s
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| 
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| int nonconst(void);
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| int isconst(void) __attribute__((const));
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| int ispure(int) __attribute__((pure));
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| 
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| int foo(int *a, int i) {
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| #ifdef _MSC_VER
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|   __assume(i != 4);
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|   __assume(++i > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
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|   __assume(nonconst() > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
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|   __assume(isconst() > 2);
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|   __assume(ispure(i) > 2);
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|   __assume(ispure(++i) > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
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| 
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|   int test = sizeof(struct{char qq[(__assume(i != 5), 7)];});
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| #else
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|   __builtin_assume(i != 4);
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|   __builtin_assume(++i > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
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|   __builtin_assume(nonconst() > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
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|   __builtin_assume(isconst() > 2);
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|   __builtin_assume(ispure(i) > 2);
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|   __builtin_assume(ispure(++i) > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
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|   
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|   int test = sizeof(struct{char qq[(__builtin_assume(i != 5), 7)];});
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| #endif
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|   return a[i];
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| }
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| 
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