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      1 ; RUN: opt < %s -simplifycfg -disable-output
      2 ; END.
      3 
      4 target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
      5 target triple = "thumbv7-apple-ios9.0.0"
      6 
      7 %struct.anon = type { %struct.anon.0, i32, i32, %union.T1 }
      8 %struct.anon.0 = type { i32, [256 x i32], [256 x i8] }
      9 %union.T1 = type { %struct.F}
     10 %struct.F = type { i32 }
     11 
     12 @U = internal global %struct.anon zeroinitializer, align 4
     13 
     14 define void @main() {
     15 entry:
     16   %0 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @U, i32 0, i32 2), align 4
     17   %cmp.i = icmp eq i32 %0, -1
     18   br i1 %cmp.i, label %if.then, label %if.end
     19 
     20 if.then:                                          ; preds = %entry
     21   br label %if.end
     22 
     23 if.end:                                           ; preds = %entry, %if.then
     24   %1 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @U, i32 0, i32 2), align 4
     25   %bf.load = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @U, i32 0, i32 3, i32 0, i32 0), align 4
     26   %cmp = icmp slt i32 %0, 0
     27   br i1 %cmp, label %if.end7, label %cond.false
     28 
     29 cond.false:                                       ; preds = %if.end
     30   %add = and i32 %bf.load, 30
     31   %shl = add nuw nsw i32 %add, 2
     32   br label %if.end7
     33 
     34 if.end7:                                          ; preds = %if.end, %cond.false
     35   %2 = icmp eq i32 %0, 1
     36   br i1 %2, label %if.then9, label %if.else10
     37 
     38 if.then9:                                         ; preds = %if.end7
     39   br label %if.end29
     40 
     41 if.else10:                                        ; preds = %if.end7
     42   %cmp11 = icmp ugt i32 %0, 13
     43   br i1 %cmp11, label %if.then12, label %if.else14
     44 
     45 if.then12:                                        ; preds = %if.else10
     46   br label %if.end26
     47 
     48 if.else14:                                        ; preds = %if.else10
     49   %tobool = icmp eq i1 %2, 0
     50   br i1 %tobool, label %lor.rhs, label %if.then18
     51 
     52 lor.rhs:                                          ; preds = %if.else14
     53   %tobool.not.i = icmp eq i1 %2, 0
     54   br i1 %tobool.not.i, label %if.else21, label %if.end.i54
     55 
     56 if.end.i54:                                       ; preds = %lor.rhs
     57   br label %for.cond.i
     58 
     59 for.cond.i:                                       ; preds = %if.end6.i, %if.end.i54
     60   %ix.0.i = phi i32 [ 0, %if.end.i54 ], [ %inc.i55, %if.end6.i ]
     61   %ret.0.off0.i = phi i1 [ false, %if.end.i54 ], [ %.ret.0.off0.i, %if.end6.i ]
     62   %cmp2.i = icmp ult i32 %ix.0.i, 2
     63   br i1 %cmp2.i, label %for.body.i, label %TmpSimpleNeedExt.exit
     64 
     65 for.body.i:                                       ; preds = %for.cond.i
     66   %arrayidx.i = getelementptr inbounds %struct.anon, %struct.anon* @U, i32 0, i32 0, i32 2, i32 %ix.0.i
     67   %elt = load i8, i8* %arrayidx.i, align 1
     68   %cmp3.i = icmp sgt i8 %elt, 7
     69   br i1 %cmp3.i, label %if.else21, label %if.end6.i
     70 
     71 if.end6.i:                                        ; preds = %for.body.i
     72   %cmp10.i = icmp ugt i8 %elt, 59
     73   %.ret.0.off0.i = or i1 %ret.0.off0.i, %cmp10.i
     74   %inc.i55 = add i32 %ix.0.i, 1
     75   br label %for.cond.i
     76 
     77 TmpSimpleNeedExt.exit:                            ; preds = %for.body.i
     78   br i1 %ret.0.off0.i, label %if.then18, label %if.else21
     79 
     80 if.then18:                                        ; preds = %if.else14, %TmpSimpleNeedExt.exit
     81   br label %if.end26
     82 
     83 if.else21:                                        ; preds = %for.body.i, %lor.rhs, %TmpSimpleNeedExt.exit
     84   br label %if.end26
     85 
     86 if.end26:                                         ; preds = %if.then18, %if.else21, %if.then12
     87   %cmp.i51 = icmp slt i32 %0, 7
     88   br i1 %cmp.i51, label %if.then.i, label %if.end.i
     89 
     90 if.then.i:                                        ; preds = %if.end26
     91   br label %if.end.i
     92 
     93 if.end.i:                                         ; preds = %if.then.i, %if.end26
     94   br label %if.end29
     95 
     96 if.then2.i:                                       ; preds = %if.end.i
     97   br label %if.end29
     98 
     99 if.end29:                                         ; preds = %if.end.i, %if.then2.i, %if.then9
    100   ret void
    101 }
    102