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236
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1 ; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
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150
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2 ;
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3 ; Verify we do not create a SCoP in the presence of infinite loops.
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4 ;
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5 ; CHECK-NOT: Statements
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6 ;
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7 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64"
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8
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252
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9 define void @foo(ptr noalias nocapture readonly %xxx, ptr noalias nocapture readonly %yyy, ptr nocapture readonly %zzz, i32 %conv6) {
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150
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10 while.body.us.preheader:
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252
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11 %a2 = load ptr, ptr %zzz, align 4
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236
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12 %sub = add nsw i32 %conv6, -1
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150
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13 br label %while.body.us
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14
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15 while.body.us: ; preds = %while.body.us.preheader, %if.then.us
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16 %uuu = phi i32 [ %www, %if.then.us ], [ 0, %while.body.us.preheader ]
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252
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17 %a13 = load i32, ptr %yyy, align 8
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150
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18 %vvv = icmp sgt i32 %a13, 0
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19 br i1 %vvv, label %while.body.13.us58.preheader, label %if.then.us
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20
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21 while.body.13.us58.preheader: ; preds = %while.body.us
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22 br label %while.body.13.us58
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23
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24 if.then.us: ; preds = %while.body.us
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25 %add.us = add nuw nsw i32 %uuu, 1
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252
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26 tail call void @goo(ptr %a2, i32 %uuu, ptr %a2, i32 %add.us, i32 %sub, i32 %a13) #3
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150
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27 %www = add nuw nsw i32 %uuu, %conv6
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252
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28 %a14 = load i32, ptr %xxx, align 4
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150
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29 %cmp.us = icmp slt i32 %www, %a14
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30 br i1 %cmp.us, label %while.body.us, label %while.end.21.loopexit145
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31
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32 while.body.13.us58:
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33 br label %while.body.13.us58
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34
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35 while.end.21.loopexit145:
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36 ret void
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37 }
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38
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252
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39 declare void @goo(ptr, i32, ptr, i32, i32, i32) #1
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150
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40
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