11 lines
		
	
	
		
			303 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			303 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis |\
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| ; RUN:   not grep {sub i32 0}
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| 
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| define i32 @test(i32 %X, i32 %Y, i32 %Z) {
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| 	%A = sub i32 0, %X		; <i32> [#uses=1]
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| 	%B = mul i32 %A, %Y		; <i32> [#uses=1]
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|         ; (-X)*Y + Z -> Z-X*Y
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| 	%C = add i32 %B, %Z		; <i32> [#uses=1]
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| 	ret i32 %C
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| }
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