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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17568 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			24 lines
		
	
	
		
			601 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			601 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
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| ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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| ; RUN: diff %t1.ll %t2.ll
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| 
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| ; Demonstrate all of the variable argument handling intrinsic functions plus 
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| ; the va_arg instruction.
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| 
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| implementation
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| declare sbyte* %llvm.va_start()
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| declare sbyte* %llvm.va_copy(sbyte*)
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| declare void %llvm.va_end(sbyte*)
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| 
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| int %test(int %X, ...) {
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| 	%ap = call sbyte* %llvm.va_start()
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| 	%aq = call sbyte* %llvm.va_copy(sbyte* %ap)
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| 	call void %llvm.va_end(sbyte* %aq)
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| 	
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| 	%tmp = vaarg sbyte* %ap, int 
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| 	%ap2 = vanext sbyte* %ap, int
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| 
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| 	call void %llvm.va_end(sbyte* %ap2)
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| 	ret int %tmp
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| }
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