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	of a forward-reference, which doesn't use an "abbrev" encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94454 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			28 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llvm-as < %s | llvm-dis > %t0
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| ; RUN: opt -S < %s > %t1
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| ; RUN: diff %t0 %t1
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| ; PR6140
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| 
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| ; Make sure the flags are serialized/deserialized properly for both
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| ; forward and backward references.
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| 
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| define void @foo() nounwind {
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| entry:
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|   br label %first
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| 
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| second:                                           ; preds = %first
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|   %u = add nuw i32 %a, 0                          ; <i32> [#uses=0]
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|   %s = add nsw i32 %a, 0                          ; <i32> [#uses=0]
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|   %us = add nuw nsw i32 %a, 0                     ; <i32> [#uses=0]
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|   %z = add i32 %a, 0                              ; <i32> [#uses=0]
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|   unreachable
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| 
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| first:                                            ; preds = %entry
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|   %a = bitcast i32 0 to i32                       ; <i32> [#uses=8]
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|   %uu = add nuw i32 %a, 0                         ; <i32> [#uses=0]
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|   %ss = add nsw i32 %a, 0                         ; <i32> [#uses=0]
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|   %uuss = add nuw nsw i32 %a, 0                   ; <i32> [#uses=0]
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|   %zz = add i32 %a, 0                             ; <i32> [#uses=0]
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|   br label %second
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| }
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