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      1 ;RUN: opt < %s -simplifycfg -disable-output
      2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
      3 
      4 define i32 @bork() nounwind  {
      5 entry:
      6 	br label %bb5.outer
      7 
      8 bb5.outer.loopexit:		; preds = %bb5
      9 	br label %bb5.outer
     10 
     11 bb5.outer:		; preds = %bb5.outer.loopexit, %entry
     12 	%undo.0.ph = phi i32 [ 0, %entry ], [ 1, %bb5.outer.loopexit ]		; <i32> [#uses=1]
     13 	br label %bb5
     14 
     15 bb5:		; preds = %bb5, %bb5.outer
     16 	%tmp6 = tail call i32 (...)* @foo( ) nounwind 		; <i32> [#uses=1]
     17 	switch i32 %tmp6, label %bb13 [
     18 		 i32 -1, label %bb10
     19 		 i32 102, label %bb5
     20 		 i32 110, label %bb5.outer.loopexit
     21 	]
     22 
     23 bb10:		; preds = %bb5
     24 	%tmp12 = tail call i32 (...)* @bar( i32 %undo.0.ph ) nounwind 		; <i32> [#uses=0]
     25 	br label %UnifiedReturnBlock
     26 
     27 bb13:		; preds = %bb5
     28 	br label %UnifiedReturnBlock
     29 
     30 UnifiedReturnBlock:		; preds = %bb13, %bb10
     31 	%UnifiedRetVal = phi i32 [ 1, %bb10 ], [ 258, %bb13 ]		; <i32> [#uses=1]
     32 	ret i32 %UnifiedRetVal
     33 }
     34 
     35 declare i32 @foo(...)
     36 
     37 declare i32 @bar(...)
     38