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      1 ; RUN: opt -S -indvars < %s | FileCheck %s
      2 
      3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
      4 target triple = "x86_64-apple-macosx10.11.0"
      5 
      6 define i32 @somefunc(double* %arr) {
      7 ; CHECK-LABEL: @somefunc(
      8 entry:
      9   br label %for.cond.1.preheader
     10 
     11 for.cond.1.preheader:                             ; preds = %for.inc.9, %entry
     12   %index3.013 = phi i32 [ 0, %entry ], [ %index3.1.lcssa, %for.inc.9 ]
     13   %index.012 = phi i32 [ 0, %entry ], [ %inc10, %for.inc.9 ]
     14   %cmp2.9 = icmp sgt i32 %index.012, 0
     15   br i1 %cmp2.9, label %for.body.3.lr.ph, label %for.inc.9
     16 
     17 for.body.3.lr.ph:                                 ; preds = %for.cond.1.preheader
     18   %idxprom5 = sext i32 %index.012 to i64 
     19   br label %for.body.3
     20 
     21 for.body.3:                                       ; preds = %for.body.3, %for.body.3.lr.ph
     22   %index3.111 = phi i32 [ %index3.013, %for.body.3.lr.ph ], [ %inc, %for.body.3 ]
     23   %index2.010 = phi i32 [ 0, %for.body.3.lr.ph ], [ %inc8, %for.body.3 ]
     24   %inc = add nsw i32 %index3.111, 1
     25   %idxprom = sext i32 %index3.111 to i64
     26   %arrayidx = getelementptr inbounds double, double* %arr, i64 %idxprom
     27   %idxprom4 = sext i32 %index2.010 to i64
     28   %inc8 = add nsw i32 %index2.010, 1
     29   %cmp2 = icmp slt i32 %inc8, %index.012
     30   br i1 %cmp2, label %for.body.3, label %for.inc.9.loopexit
     31 
     32 for.inc.9.loopexit:                               ; preds = %for.body.3
     33   %inc.lcssa = phi i32 [ %inc, %for.body.3 ]
     34   br label %for.inc.9
     35 
     36 for.inc.9:                                        ; preds = %for.inc.9.loopexit, %for.cond.1.preheader
     37   %index3.1.lcssa = phi i32 [ %index3.013, %for.cond.1.preheader ], [ %inc.lcssa, %for.inc.9.loopexit ]
     38   %inc10 = add nsw i32 %index.012, 1
     39   %cmp = icmp slt i32 %inc10, 10
     40   br i1 %cmp, label %for.cond.1.preheader, label %for.end.11
     41 
     42 for.end.11:                                       ; preds = %for.inc.9
     43   ret i32 1
     44 }
     45