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236
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1 ; RUN: opt %loadPolly -S -polly-codegen -verify-loop-info < %s | FileCheck %s
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2 ;
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3 ; Check that we do not crash as described here: http://llvm.org/bugs/show_bug.cgi?id=21167
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4 ;
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5 ; CHECK: polly.split_new_and_old
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6 ;
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7 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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8
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9 ; Function Attrs: nounwind uwtable
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252
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10 define void @kernel_fdtd_apml(i32 %cxm, i32 %cym, ptr %Bza, ptr %Hz, ptr %czp) #0 {
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236
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11 entry:
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12 br i1 false, label %for.cond4.preheader, label %for.end451
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13
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14 for.cond4.preheader: ; preds = %for.inc449, %entry
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15 %iz.08 = phi i32 [ undef, %for.inc449 ], [ 0, %entry ]
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16 %cmp55 = icmp sgt i32 %cym, 0
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17 br i1 %cmp55, label %for.cond7.preheader, label %for.inc449
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18
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19 for.cond7.preheader: ; preds = %for.end, %for.cond4.preheader
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20 %iy.06 = phi i32 [ %inc447, %for.end ], [ 0, %for.cond4.preheader ]
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21 %cmp81 = icmp sgt i32 %cxm, 0
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22 br i1 %cmp81, label %for.body9, label %for.end
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23
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24 for.body9: ; preds = %for.body9, %for.cond7.preheader
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25 %ix.02 = phi i32 [ %inc, %for.body9 ], [ 0, %for.cond7.preheader ]
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26 %idxprom74 = sext i32 %iz.08 to i64
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252
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27 %arrayidx75 = getelementptr inbounds double, ptr %czp, i64 %idxprom74
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28 %0 = load double, ptr %arrayidx75, align 8
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236
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29 %idxprom102 = sext i32 %iz.08 to i64
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252
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30 %arrayidx105 = getelementptr inbounds [65 x [65 x double]], ptr %Hz, i64 %idxprom102, i64 0, i64 0
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31 store double undef, ptr %arrayidx105, align 8
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236
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32 %inc = add nsw i32 %ix.02, 1
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33 br i1 false, label %for.body9, label %for.end
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34
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35 for.end: ; preds = %for.body9, %for.cond7.preheader
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36 %idxprom209 = sext i32 %cxm to i64
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37 %idxprom211 = sext i32 %iz.08 to i64
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252
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38 %arrayidx214 = getelementptr inbounds [65 x [65 x double]], ptr %Hz, i64 %idxprom211, i64 0, i64 %idxprom209
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39 store double undef, ptr %arrayidx214, align 8
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236
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40 %idxprom430 = sext i32 %cxm to i64
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41 %idxprom431 = sext i32 %cym to i64
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42 %idxprom432 = sext i32 %iz.08 to i64
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252
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43 %arrayidx435 = getelementptr inbounds [65 x [65 x double]], ptr %Hz, i64 %idxprom432, i64 %idxprom431, i64 %idxprom430
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44 store double undef, ptr %arrayidx435, align 8
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45 store double undef, ptr %Bza, align 8
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236
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46 %inc447 = add nsw i32 %iy.06, 1
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47 %cmp5 = icmp slt i32 %inc447, %cym
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48 br i1 %cmp5, label %for.cond7.preheader, label %for.inc449
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49
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50 for.inc449: ; preds = %for.end, %for.cond4.preheader
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51 br i1 undef, label %for.cond4.preheader, label %for.end451
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52
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53 for.end451: ; preds = %for.inc449, %entry
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54 ret void
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55 }
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