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	the second half of PR2047 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47244 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			13 lines
		
	
	
		
			341 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			341 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep { sub } | count 1
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; PR2047
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define i32 @l(i32 %a, i32 %b, i32 %c, i32 %d) {
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entry:
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	%b.neg = sub i32 0, %b		; <i32> [#uses=1]
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	%c.neg = sub i32 0, %c		; <i32> [#uses=1]
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	%sub4 = add i32 %c.neg, %b.neg		; <i32> [#uses=1]
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	%sub6 = add i32 %sub4, %d		; <i32> [#uses=1]
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	ret i32 %sub6
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}
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