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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 instructions to region statements.
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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 val = 21.0 + 21.0;
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8 ;
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9 ; bodyB:
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10 ; if (cond)
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11 ; body_true:
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12 ; A[0] = val;
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13 ; }
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14 ;
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15 define void @func(i32 %n, double* noalias nonnull %A) {
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16 entry:
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17 br label %for
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18
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19 for:
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20 %j = phi i32 [0, %entry], [%j.inc, %inc]
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21 %j.cmp = icmp slt i32 %j, %n
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22 br i1 %j.cmp, label %bodyA, label %exit
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23
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24 bodyA:
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25 %val = fadd double 21.0, 21.0
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26 br label %bodyB
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27
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28 bodyB:
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29 %cond = fcmp oeq double 21.0, 21.0
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30 br i1 %cond, label %bodyB_true, label %bodyB_exit
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31
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32 bodyB_true:
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33 store double %val, double* %A
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34 br label %bodyB_exit
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35
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36 bodyB_exit:
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37 br label %inc
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38
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39 inc:
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40 %j.inc = add nuw nsw i32 %j, 1
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41 br label %for
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42
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43 exit:
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44 br label %return
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45
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46 return:
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47 ret void
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48 }
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49
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50 ; CHECK: Statistics {
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51 ; CHECK: Instructions copied: 1
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52 ; CHECK: Known loads forwarded: 0
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53 ; CHECK: Read-only accesses copied: 0
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54 ; CHECK: Operand trees forwarded: 1
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55 ; CHECK: Statements with forwarded operand trees: 1
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56 ; CHECK: }
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57
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58 ; CHECK: After statements {
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59 ; CHECK-NEXT: Stmt_bodyA
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60 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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61 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val[] };
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62 ; CHECK-NEXT: Instructions {
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63 ; CHECK-NEXT: %val = fadd double 2.100000e+01, 2.100000e+01
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64 ; CHECK-NEXT: }
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65 ; CHECK-NEXT: Stmt_bodyB__TO__bodyB_exit
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66 ; CHECK-NEXT: MayWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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67 ; CHECK-NEXT: [n] -> { Stmt_bodyB__TO__bodyB_exit[i0] -> MemRef_A[0] };
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68 ; CHECK-NEXT: Instructions {
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69 ; CHECK-NEXT: %val = fadd double 2.100000e+01, 2.100000e+01
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70 ; CHECK-NEXT: %cond = fcmp oeq double 2.100000e+01, 2.100000e+01
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71 ; CHECK-NEXT: }
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72 ; CHECK-NEXT: }
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