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236
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1 ; RUN: opt %loadPolly -polly-print-optree -disable-output < %s | FileCheck %s -match-full-lines
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150
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2 ;
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3 ; Not the entire operand tree can be forwarded,
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4 ; some scalar dependencies would remain.
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5 ;
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6 ; for (int j = 0; j < n; j += 1) {
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7 ; bodyA:
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8 ; double val = f() + 21.0;
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9 ;
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10 ; bodyB:
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11 ; A[0] = val;
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12 ; }
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13 ;
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14 declare double @f(...) #1
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15
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252
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16 define void @func(i32 %n, ptr noalias nonnull %A) {
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150
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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 %v = call double (...) @f()
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27 %val = fadd double %v, 21.0
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28 br label %bodyB
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29
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30 bodyB:
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252
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31 store double %val, ptr %A
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150
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32 br label %inc
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33
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34 inc:
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35 %j.inc = add nuw nsw i32 %j, 1
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36 br label %for
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37
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38 exit:
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39 br label %return
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40
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41 return:
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42 ret void
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43 }
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44
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45 attributes #1 = { nounwind readnone }
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46
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47
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48 ; CHECK: ForwardOpTree executed, but did not modify anything
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