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annotate polly/test/MaximalStaticExpansion/working_expansion.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children c4bab56944e8
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150
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1 ; RUN: opt %loadPolly -polly-mse -analyze < %s | FileCheck %s
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2 ;
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3 ; Verify that the accesses are correctly expanded for MemoryKind::Array
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4 ;
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5 ; Original source code :
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6 ;
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7 ; #define Ni 2000
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8 ; #define Nj 3000
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9 ;
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10 ; double mse(double A[Ni], double B[Nj]) {
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11 ; int i;
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12 ; double tmp = 6;
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13 ; for (i = 0; i < Ni; i++) {
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14 ; for (int j = 0; j<Nj; j++) {
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15 ; B[j] = j;
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16 ; }
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17 ; A[i] = B[i];
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18 ; }
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19 ; return tmp;
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20 ; }
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21 ;
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22 ; Check if the expanded SAI are created
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23 ;
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24 ; CHECK: double MemRef_B_Stmt_for_body3_expanded[2000][3000]; // Element size 8
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25 ;
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26 ; Check if the memory accesses are modified
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27 ;
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28 ; CHECK: new: { Stmt_for_body3[i0, i1] -> MemRef_B_Stmt_for_body3_expanded[i0, i1] };
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29 ; CHECK: new: { Stmt_for_end[i0] -> MemRef_B_Stmt_for_body3_expanded[i0, i0] };
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30 ;
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31 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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32 target triple = "x86_64-unknown-linux-gnu"
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33
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34 define double @mse(double* %A, double* %B) {
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35 entry:
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36 br label %entry.split
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37
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38 entry.split: ; preds = %entry
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39 br label %for.body
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40
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41 for.body: ; preds = %entry.split, %for.end
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42 %indvars.iv3 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next4, %for.end ]
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43 br label %for.body3
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44
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45 for.body3: ; preds = %for.body, %for.body3
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46 %indvars.iv = phi i64 [ 0, %for.body ], [ %indvars.iv.next, %for.body3 ]
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47 %0 = trunc i64 %indvars.iv to i32
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48 %conv = sitofp i32 %0 to double
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49 %arrayidx = getelementptr inbounds double, double* %B, i64 %indvars.iv
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50 store double %conv, double* %arrayidx, align 8
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51 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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52 %exitcond = icmp ne i64 %indvars.iv.next, 3000
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53 br i1 %exitcond, label %for.body3, label %for.end
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54
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55 for.end: ; preds = %for.body3
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56 %arrayidx5 = getelementptr inbounds double, double* %B, i64 %indvars.iv3
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57 %1 = bitcast double* %arrayidx5 to i64*
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58 %2 = load i64, i64* %1, align 8
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59 %arrayidx7 = getelementptr inbounds double, double* %A, i64 %indvars.iv3
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60 %3 = bitcast double* %arrayidx7 to i64*
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61 store i64 %2, i64* %3, align 8
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62 %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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63 %exitcond5 = icmp ne i64 %indvars.iv.next4, 2000
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64 br i1 %exitcond5, label %for.body, label %for.end10
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65
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66 for.end10: ; preds = %for.end
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67 ret double 6.000000e+00
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68 }