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236
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1 ; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s
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2 ; XFAIL: *
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3
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4 ;#define N 20
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5 ;#include "limits.h"
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6 ;
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7 ;int main () {
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8 ; int i;
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9 ; int A[N];
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10 ;
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11 ; A[0] = 1;
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12 ;
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13 ; __sync_synchronize();
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14 ;
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15 ; i = 0;
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16 ;
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17 ; do {
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18 ; A[0] = 0;
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19 ; ++i;
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20 ; } while (i < 1);
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21 ;
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22 ; __sync_synchronize();
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23 ;
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24 ; if (A[0] == 0)
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25 ; return 0;
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26 ; else
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27 ; return 1;
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28 ;}
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29
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30 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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31
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32 define i32 @main() nounwind {
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33 entry:
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252
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34 %A = alloca [20 x i32], align 4 ; <ptr> [#uses=3]
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35 %arraydecay = getelementptr inbounds [20 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1]
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36 %arrayidx = getelementptr inbounds i32, ptr %arraydecay, i64 0 ; <ptr> [#uses=1]
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37 store i32 1, ptr %arrayidx
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236
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38 fence seq_cst
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39 br label %do.body
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40
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41 do.body: ; preds = %do.cond, %entry
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252
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42 %arraydecay1 = getelementptr inbounds [20 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1]
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43 %arrayidx2 = getelementptr inbounds i32, ptr %arraydecay1, i64 0 ; <ptr> [#uses=1]
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44 store i32 0, ptr %arrayidx2
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236
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45 br label %do.cond
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46
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47 do.cond: ; preds = %do.body
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48 br i1 false, label %do.body, label %do.end
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49
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50 do.end: ; preds = %do.cond
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51 fence seq_cst
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252
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52 %arraydecay4 = getelementptr inbounds [20 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1]
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53 %arrayidx5 = getelementptr inbounds i32, ptr %arraydecay4, i64 0 ; <ptr> [#uses=1]
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54 %tmp6 = load i32, ptr %arrayidx5 ; <i32> [#uses=1]
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236
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55 %cmp7 = icmp eq i32 %tmp6, 0 ; <i1> [#uses=1]
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56 br i1 %cmp7, label %if.then, label %if.else
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57
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58 if.then: ; preds = %do.end
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59 br label %return
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60
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61 if.else: ; preds = %do.end
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62 br label %return
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63
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64 return: ; preds = %if.else, %if.then
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65 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]
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66 ret i32 %retval.0
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67 }
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68
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69 ; CHECK: S0(0)
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