forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			22 lines
		
	
	
		
			631 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			631 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -reassociate -disable-output
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| ; PR13041
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| 
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| define void @foo() {
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| entry:
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|   br label %while.cond
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| 
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| while.cond:                                       ; preds = %while.body, %entry
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|   %b.0 = phi i32 [ undef, %entry ], [ %sub2, %while.body ]
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|   %c.0 = phi i32 [ undef, %entry ], [ %sub3, %while.body ]
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|   br i1 undef, label %while.end, label %while.body
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| 
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| while.body:                                       ; preds = %while.cond
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|   %sub = sub nsw i32 0, %b.0
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|   %sub2 = sub nsw i32 %sub, %c.0
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|   %sub3 = sub nsw i32 0, %c.0
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|   br label %while.cond
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| 
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| while.end:                                        ; preds = %while.cond
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|   ret void
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| }
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