Mercurial > hg > CbC > CbC_llvm

annotate polly/test/ForwardOpTree/forward_reusue.ll @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
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c4bab56944e8 LLVM 16
kono
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1 ; RUN: opt %loadPolly -polly-print-optree -disable-output < %s | FileCheck %s -match-full-lines
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2 ;
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3 ; Move operand tree without duplicating values used multiple times.
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4 ;
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5 define void @func(i32 %n, ptr noalias nonnull %A) {
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6 entry:
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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7 br label %for
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8
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9 for:
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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10 %j = phi i32 [0, %entry], [%j.inc, %inc]
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11 %j.cmp = icmp slt i32 %j, %n
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12 br i1 %j.cmp, label %bodyA, label %exit
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13
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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14 bodyA:
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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15 %val1 = fadd double 12.5, 12.5
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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16 %val2 = fadd double %val1, %val1
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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17 %val3 = fadd double %val2, %val2
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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18 %val4 = fadd double %val3, %val3
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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19 %val5 = fadd double %val4, %val4
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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20 br label %bodyB
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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21
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22 bodyB:
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23 store double %val5, ptr %A
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24 br label %inc
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25
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26 inc:
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27 %j.inc = add nuw nsw i32 %j, 1
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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28 br label %for
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29
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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30 exit:
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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31 br label %return
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32
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33 return:
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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34 ret void
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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35 }
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37
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38 ; CHECK: Statistics {
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39 ; CHECK: Instructions copied: 5
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40 ; CHECK: Operand trees forwarded: 1
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41 ; CHECK: }
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42
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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43 ; CHECK: After statements {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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44 ; CHECK-NEXT: Stmt_bodyA
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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45 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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46 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val5[] };
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47 ; CHECK-NEXT: Instructions {
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48 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
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49 ; CHECK-NEXT: %val2 = fadd double %val1, %val1
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50 ; CHECK-NEXT: %val3 = fadd double %val2, %val2
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51 ; CHECK-NEXT: %val4 = fadd double %val3, %val3
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52 ; CHECK-NEXT: %val5 = fadd double %val4, %val4
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53 ; CHECK-NEXT: }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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54 ; CHECK-NEXT: Stmt_bodyB
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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55 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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56 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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57 ; CHECK-NEXT: Instructions {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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58 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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59 ; CHECK-NEXT: %val2 = fadd double %val1, %val1
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60 ; CHECK-NEXT: %val3 = fadd double %val2, %val2
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61 ; CHECK-NEXT: %val4 = fadd double %val3, %val3
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62 ; CHECK-NEXT: %val5 = fadd double %val4, %val4
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63 ; CHECK-NEXT: store double %val5, ptr %A, align 8
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64 ; CHECK-NEXT: }
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65 ; CHECK-NEXT: }