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236
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1 ; RUN: opt %loadPolly -basic-aa -polly-print-detect -disable-output < %s | FileCheck %s
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150
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2 ;
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3 ; Verify that we allow the misc intrinsics.
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4 ;
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5 ; CHECK: Valid Region for Scop: for.cond => for.end13
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6 ;
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7 ; int A[1024];
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8 ; void jd() {
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9 ; for (int i = 0; i < 1024; i++) {
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10 ; int tmp[1024];
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11 ; for (int j = i; j < 1024; j++)
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12 ; tmp[i] += A[j];
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13 ; A[i] = tmp[i];
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14 ; }
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15 ; }
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16 ;
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17 ; ModuleID = 'test/Isl/CodeGen/lifetime_intrinsics.ll'
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18 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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19
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20 @A = common global [1024 x i32] zeroinitializer, align 16
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21
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22 ; Function Attrs: nounwind uwtable
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23 define void @jd() #0 {
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24 entry:
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25 %tmp = alloca [1024 x i32], align 16
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26 br label %for.cond
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27
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28 for.cond: ; preds = %for.inc11, %entry
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29 %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc11 ], [ 0, %entry ]
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30 %exitcond5 = icmp ne i64 %indvars.iv3, 1024
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31 br i1 %exitcond5, label %for.body, label %for.end13
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32
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33 for.body: ; preds = %for.cond
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252
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34 %lis = call ptr @llvm.invariant.start(i64 4096, ptr @A) #1
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150
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35 br label %for.cond2
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36
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37 for.cond2: ; preds = %for.inc, %for.body
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38 %indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc ], [ %indvars.iv3, %for.body ]
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39 %lftr.wideiv = trunc i64 %indvars.iv1 to i32
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40 %exitcond = icmp ne i32 %lftr.wideiv, 1024
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41 br i1 %exitcond, label %for.body4, label %for.end
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42
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43 for.body4: ; preds = %for.cond2
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44 call void @llvm.assume(i1 %exitcond)
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45 call i1 @llvm.expect.i1(i1 %exitcond, i1 1)
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252
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46 %arrayidx = getelementptr inbounds [1024 x i32], ptr @A, i64 0, i64 %indvars.iv1
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47 %tmp6 = load i32, ptr %arrayidx, align 4
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48 %arrayidx6 = getelementptr inbounds [1024 x i32], ptr %tmp, i64 0, i64 %indvars.iv3
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150
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49 call void @llvm.donothing()
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252
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50 %tmp7 = load i32, ptr %arrayidx6, align 4
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150
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51 %add = add nsw i32 %tmp7, %tmp6
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252
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52 store i32 %add, ptr %arrayidx6, align 4
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150
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53 br label %for.inc
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54
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55 for.inc: ; preds = %for.body4
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56 %indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
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57 br label %for.cond2
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58
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59 for.end: ; preds = %for.cond2
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252
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60 %arrayidx8 = getelementptr inbounds [1024 x i32], ptr %tmp, i64 0, i64 %indvars.iv3
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61 %tmp8 = load i32, ptr %arrayidx8, align 4
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62 %arrayidx10 = getelementptr inbounds [1024 x i32], ptr @A, i64 0, i64 %indvars.iv3
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63 call void @llvm.invariant.end(ptr %lis, i64 4096, ptr @A) #1
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64 store i32 %tmp8, ptr %arrayidx10, align 4
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150
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65 br label %for.inc11
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66
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67 for.inc11: ; preds = %for.end
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68 %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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69 br label %for.cond
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70
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71 for.end13: ; preds = %for.cond
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72 ret void
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73 }
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74
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75 ; Function Attrs: nounwind
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76 declare void @llvm.donothing() #1
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77
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78 ; Function Attrs: nounwind
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79 declare void @llvm.assume(i1) #1
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80
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81 ; Function Attrs: nounwind
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82 declare i1 @llvm.expect.i1(i1, i1) #1
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83
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84 ; Function Attrs: nounwind
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252
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85 declare ptr @llvm.invariant.start(i64, ptr nocapture) #1
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150
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86
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87 ; Function Attrs: nounwind
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252
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88 declare void @llvm.invariant.end(ptr, i64, ptr nocapture) #1
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150
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89
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90 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
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91 attributes #1 = { nounwind }
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