forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			36 lines
		
	
	
		
			967 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			967 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llvm-as < %s | llc
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| 
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| %a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
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| %b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
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| 
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| ;; mul
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| %a_mul_str = internal constant [13 x sbyte] c"a * %d = %d\0A\00"
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| 
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| declare int %printf(sbyte*, ...)
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| %A = global int 2
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| %B = global int 5
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| 
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| int %main() {  
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| entry:
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|   %a = load int* %A
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|   %b = load int* %B
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|   %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
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|   %b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
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|   %a_mul_s = getelementptr [13 x sbyte]* %a_mul_str, long 0, long 0
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|   call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
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|   call int (sbyte*, ...)* %printf(sbyte* %b_s, int %b)
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|   br label %shl_test
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| 
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| shl_test:
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|   ;; test mul by 0-255
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|   %s = phi int [ 0, %entry ], [ %s_inc, %shl_test ]
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|   %result = mul int %a, %s
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|   call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int %s, int %result)
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|   %s_inc = add int %s, 1 
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|   %done = seteq int %s, 256
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|   br bool %done, label %fini, label %shl_test
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| 
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| fini:
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|   ret int 0
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| }
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