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      1 ; RUN: opt -loop-unroll -S < %s | FileCheck %s
      2 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
      3 target triple = "i686-pc-windows-msvc"
      4 
      5 declare void @fn1(i8*)
      6 
      7 declare i1 @fn2(i8*, i8*)
      8 
      9 define void @fn4() personality i32 (...)* @__CxxFrameHandler3 {
     10 entry:
     11   br label %for.body
     12 
     13 for.body:                                         ; preds = %for.inc, %entry
     14   %i.05 = phi i8 [ 0, %entry ], [ %inc, %for.inc ]
     15   store i8 undef, i8* undef, align 4
     16   invoke void @fn1(i8* undef)
     17           to label %call.i.noexc unwind label %ehcleanup
     18 
     19 call.i.noexc:                                     ; preds = %for.body
     20   %call1.i2 = invoke i1 @fn2(i8* undef, i8* undef)
     21           to label %call1.i.noexc unwind label %ehcleanup
     22 
     23 call1.i.noexc:                                    ; preds = %call.i.noexc
     24   br i1 undef, label %if.then.i, label %if.end4.i
     25 
     26 if.then.i:                                        ; preds = %call1.i.noexc
     27   %tmp1 = load i8, i8* undef, align 4
     28   %tobool.i = icmp eq i8 undef, undef
     29   br i1 undef, label %if.end4.i, label %if.then2.i
     30 
     31 if.then2.i:                                       ; preds = %if.then.i
     32   %call3.i3 = invoke i1 @fn2(i8* undef, i8* null)
     33           to label %call3.i.noexc unwind label %ehcleanup
     34 
     35 call3.i.noexc:                                    ; preds = %if.then2.i
     36   br label %if.end4.i
     37 
     38 if.end4.i:                                        ; preds = %call3.i.noexc, %if.then.i, %call1.i.noexc
     39   %tmp2 = load i8, i8* undef, align 4
     40   br label %if.then6.i
     41 
     42 if.then6.i:                                       ; preds = %if.end4.i
     43   %call7.i4 = invoke i1 @fn2(i8* undef, i8* null)
     44           to label %call7.i.noexc unwind label %ehcleanup
     45 
     46 call7.i.noexc:                                    ; preds = %if.then6.i
     47   br label %fn3
     48 
     49 fn3:                                              ; preds = %call7.i.noexc
     50   %tmp3 = load i8, i8* undef, align 4
     51   %inc.i = add nsw i8 undef, undef
     52   store i8 undef, i8* undef, align 4
     53   br label %for.inc
     54 
     55 for.inc:                                          ; preds = %fn3
     56   %inc = add nsw i8 %i.05, 1
     57   %cmp = icmp slt i8 %inc, 6
     58   br i1 %cmp, label %for.body, label %for.end
     59 
     60 for.end:                                          ; preds = %for.inc
     61   invoke void @throw()
     62           to label %unreachable unwind label %ehcleanup
     63 
     64 ehcleanup:                                        ; preds = %for.end, %if.then6.i, %if.then2.i, %call.i.noexc, %for.body
     65   %cp = cleanuppad within none []
     66   cleanupret from %cp unwind to caller
     67 
     68 ; CHECK: cleanuppad
     69 ; CHECK-NOT: cleanuppad
     70 
     71 unreachable:                                      ; preds = %for.end
     72   unreachable
     73 }
     74 
     75 declare i32 @__CxxFrameHandler3(...)
     76 
     77 declare void @throw()
     78