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annotate llvm/test/Transforms/LoopDistribute/laa-invalidation.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
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children
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1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
252
1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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2 ; RUN: opt -passes='loop-load-elim,indvars,loop-distribute' -enable-loop-distribute -S %s | FileCheck %s
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3
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4 define void @test_pr50940(ptr %A, ptr %B) {
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5 ; CHECK-LABEL: @test_pr50940(
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6 ; CHECK-NEXT: entry:
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7 ; CHECK-NEXT: br label [[OUTER_HEADER:%.*]]
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8 ; CHECK: outer.header:
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9 ; CHECK-NEXT: br i1 false, label [[OUTER_LATCH:%.*]], label [[INNER_PH:%.*]]
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10 ; CHECK: inner.ph:
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11 ; CHECK-NEXT: [[UGLYGEP:%.*]] = getelementptr i8, ptr [[A:%.*]], i64 4
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12 ; CHECK-NEXT: [[GEP_A_3:%.*]] = getelementptr inbounds i16, ptr [[A]], i64 3
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13 ; CHECK-NEXT: br label [[INNER_LVER_CHECK:%.*]]
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14 ; CHECK: inner.lver.check:
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15 ; CHECK-NEXT: [[UGLYGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 8
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16 ; CHECK-NEXT: [[UGLYGEP2:%.*]] = getelementptr i8, ptr [[B:%.*]], i64 2
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17 ; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[UGLYGEP]], [[UGLYGEP2]]
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18 ; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[B]], [[UGLYGEP1]]
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19 ; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
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20 ; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[INNER_PH3_LVER_ORIG:%.*]], label [[INNER_PH3_LDIST1:%.*]]
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21 ; CHECK: inner.ph3.lver.orig:
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22 ; CHECK-NEXT: br label [[INNER_LVER_ORIG:%.*]]
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23 ; CHECK: inner.lver.orig:
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24 ; CHECK-NEXT: [[IV_LVER_ORIG:%.*]] = phi i16 [ 0, [[INNER_PH3_LVER_ORIG]] ], [ [[IV_NEXT_LVER_ORIG:%.*]], [[INNER_LVER_ORIG]] ]
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25 ; CHECK-NEXT: [[L_LVER_ORIG:%.*]] = load <2 x i16>, ptr [[UGLYGEP]], align 1
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26 ; CHECK-NEXT: store i16 0, ptr [[GEP_A_3]], align 1
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27 ; CHECK-NEXT: store i16 1, ptr [[B]], align 1
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28 ; CHECK-NEXT: [[IV_NEXT_LVER_ORIG]] = add nuw nsw i16 [[IV_LVER_ORIG]], 1
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29 ; CHECK-NEXT: [[C_1_LVER_ORIG:%.*]] = icmp ult i16 [[IV_LVER_ORIG]], 38
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30 ; CHECK-NEXT: br i1 [[C_1_LVER_ORIG]], label [[INNER_LVER_ORIG]], label [[EXIT_LOOPEXIT:%.*]]
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31 ; CHECK: inner.ph3.ldist1:
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32 ; CHECK-NEXT: br label [[INNER_LDIST1:%.*]]
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33 ; CHECK: inner.ldist1:
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34 ; CHECK-NEXT: [[IV_LDIST1:%.*]] = phi i16 [ 0, [[INNER_PH3_LDIST1]] ], [ [[IV_NEXT_LDIST1:%.*]], [[INNER_LDIST1]] ]
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35 ; CHECK-NEXT: [[L_LDIST1:%.*]] = load <2 x i16>, ptr [[UGLYGEP]], align 1, !alias.scope !0, !noalias !3
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36 ; CHECK-NEXT: store i16 0, ptr [[GEP_A_3]], align 1, !alias.scope !0, !noalias !3
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37 ; CHECK-NEXT: [[IV_NEXT_LDIST1]] = add nuw nsw i16 [[IV_LDIST1]], 1
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38 ; CHECK-NEXT: [[C_1_LDIST1:%.*]] = icmp ult i16 [[IV_LDIST1]], 38
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39 ; CHECK-NEXT: br i1 [[C_1_LDIST1]], label [[INNER_LDIST1]], label [[INNER_PH3:%.*]]
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40 ; CHECK: inner.ph3:
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41 ; CHECK-NEXT: br label [[INNER:%.*]]
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42 ; CHECK: inner:
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43 ; CHECK-NEXT: [[IV:%.*]] = phi i16 [ 0, [[INNER_PH3]] ], [ [[IV_NEXT:%.*]], [[INNER]] ]
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44 ; CHECK-NEXT: store i16 1, ptr [[B]], align 1, !alias.scope !3
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45 ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i16 [[IV]], 1
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46 ; CHECK-NEXT: [[C_1:%.*]] = icmp ult i16 [[IV]], 38
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47 ; CHECK-NEXT: br i1 [[C_1]], label [[INNER]], label [[EXIT_LOOPEXIT4:%.*]]
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48 ; CHECK: outer.latch:
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49 ; CHECK-NEXT: br label [[OUTER_HEADER]]
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50 ; CHECK: exit.loopexit:
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51 ; CHECK-NEXT: br label [[EXIT:%.*]]
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52 ; CHECK: exit.loopexit4:
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53 ; CHECK-NEXT: br label [[EXIT]]
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54 ; CHECK: exit:
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55 ; CHECK-NEXT: ret void
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56 ;
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57 entry:
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58 %gep.A.1 = getelementptr inbounds i16, ptr %A, i64 1
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59 br label %outer.header
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60
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61 outer.header:
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62 %gep.A.2 = getelementptr inbounds i16, ptr %gep.A.1, i64 1
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63 br i1 false, label %outer.latch, label %inner.ph
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64
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65 inner.ph: ; preds = %for.body5
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66 %lcssa.gep = phi ptr [ %gep.A.2, %outer.header ]
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67 %gep.A.3 = getelementptr inbounds i16, ptr %A, i64 3
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68 br label %inner
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69
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70 inner:
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71 %iv = phi i16 [ 0, %inner.ph ], [ %iv.next, %inner ]
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72 %l = load <2 x i16>, ptr %lcssa.gep, align 1
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73 store i16 0, ptr %gep.A.3, align 1
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74 store i16 1, ptr %B, align 1
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75 %iv.next = add nuw nsw i16 %iv, 1
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76 %c.1 = icmp ult i16 %iv, 38
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77 br i1 %c.1, label %inner, label %exit
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78
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79 outer.latch:
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80 br label %outer.header
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81
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82 exit:
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83 ret void
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84 }