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1 ; RUN: opt %loadPolly -polly-optree -analyze < %s | FileCheck %s -match-full-lines
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2 ;
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3 ; Move %v and %val to %bodyB, so %bodyA can be removed (by -polly-simplify)
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4 ;
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5 ; for (int j = 0; j < n; j += 1) {
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6 ; bodyA:
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7 ; double val1 = 12.5 + 12.5;
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8 ;
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9 ; bodyB:
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10 ; double val2 = 21.0 + 21.0;
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11 ;
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12 ; bodyC:
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13 ; A[0] = val2;
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14 ; }
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15 ;
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16 define void @func(i32 %n, double* noalias nonnull %A) {
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17 entry:
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18 br label %for
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19
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20 for:
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21 %j = phi i32 [0, %entry], [%j.inc, %inc]
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22 %j.cmp = icmp slt i32 %j, %n
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23 br i1 %j.cmp, label %bodyA, label %exit
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24
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25 bodyA:
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26 %val1 = fadd double 12.5, 12.5
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27 br label %bodyB
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28
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29 bodyB:
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30 %val2 = fadd double %val1, 21.0
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31 br label %bodyC
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32
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33 bodyC:
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34 store double %val2, double* %A
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35 br label %inc
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36
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37 inc:
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38 %j.inc = add nuw nsw i32 %j, 1
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39 br label %for
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40
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41 exit:
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42 br label %return
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43
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44 return:
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45 ret void
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46 }
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47
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48
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49 ; CHECK: Statistics {
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50 ; CHECK: Instructions copied: 3
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51 ; CHECK: Operand trees forwarded: 2
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52 ; CHECK: Statements with forwarded operand trees: 2
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53 ; CHECK: }
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54
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55 ; CHECK: After statements {
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56 ; CHECK-NEXT: Stmt_bodyA
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57 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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58 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val1[] };
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59 ; CHECK-NEXT: Instructions {
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60 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
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61 ; CHECK-NEXT: }
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62 ; CHECK-NEXT: Stmt_bodyB
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63 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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64 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_val2[] };
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65 ; CHECK-NEXT: Instructions {
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66 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
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67 ; CHECK-NEXT: %val2 = fadd double %val1, 2.100000e+01
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68 ; CHECK-NEXT: }
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69 ; CHECK-NEXT: Stmt_bodyC
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70 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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71 ; CHECK-NEXT: [n] -> { Stmt_bodyC[i0] -> MemRef_A[0] };
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72 ; CHECK-NEXT: Instructions {
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73 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
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74 ; CHECK-NEXT: %val2 = fadd double %val1, 2.100000e+01
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75 ; CHECK-NEXT: store double %val2, double* %A, align 8
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150
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76 ; CHECK-NEXT: }
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77 ; CHECK-NEXT: }
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