forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			33 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -jump-threading
 | 
						|
; PR9446
 | 
						|
; Just check that it doesn't crash
 | 
						|
 | 
						|
define void @int327() nounwind {
 | 
						|
entry:
 | 
						|
  unreachable
 | 
						|
 | 
						|
for.cond:                                         ; preds = %for.cond4
 | 
						|
  %tobool3 = icmp eq i8 undef, 0
 | 
						|
  br i1 %tobool3, label %for.cond23, label %for.cond4
 | 
						|
 | 
						|
for.cond4:                                        ; preds = %for.cond
 | 
						|
  br label %for.cond
 | 
						|
 | 
						|
for.cond23:                                       ; preds = %for.body28, %for.cond23, %for.cond
 | 
						|
  %conv321 = phi i32 [ %conv32, %for.body28 ], [ 0, %for.cond ], [ %conv321, %for.cond23 ]
 | 
						|
  %l_266.0 = phi i32 [ %phitmp, %for.body28 ], [ 0, %for.cond ], [ 0, %for.cond23 ]
 | 
						|
  %cmp26 = icmp eq i32 %l_266.0, 0
 | 
						|
  br i1 %cmp26, label %for.body28, label %for.cond23
 | 
						|
 | 
						|
for.body28:                                       ; preds = %for.cond23
 | 
						|
  %and = and i32 %conv321, 1
 | 
						|
  %conv32 = zext i8 undef to i32
 | 
						|
  %add = add nsw i32 %l_266.0, 1
 | 
						|
  %phitmp = and i32 %add, 255
 | 
						|
  br label %for.cond23
 | 
						|
 | 
						|
if.end43:                                         ; No predecessors!
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 |