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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 22; RUN: opt -passes=loop-versioning -S < %s | FileCheck %s3 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"5 6; Version this loop with overlap checks between a, c and b, c.7 8define void @f(ptr %a, ptr %b, ptr %c) {9; CHECK-LABEL: define void @f10; CHECK-SAME: (ptr [[A:%.*]], ptr [[B:%.*]], ptr [[C:%.*]]) {11; CHECK-NEXT: for.body.lver.check:12; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[C]], i64 8013; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 8014; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[B]], i64 8015; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[C]], [[SCEVGEP1]]16; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]]17; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]18; CHECK-NEXT: [[BOUND03:%.*]] = icmp ult ptr [[C]], [[SCEVGEP2]]19; CHECK-NEXT: [[BOUND14:%.*]] = icmp ult ptr [[B]], [[SCEVGEP]]20; CHECK-NEXT: [[FOUND_CONFLICT5:%.*]] = and i1 [[BOUND03]], [[BOUND14]]21; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT5]]22; CHECK-NEXT: br i1 [[CONFLICT_RDX]], label [[FOR_BODY_PH_LVER_ORIG:%.*]], label [[FOR_BODY_PH:%.*]]23; CHECK: for.body.ph.lver.orig:24; CHECK-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]]25; CHECK: for.body.lver.orig:26; CHECK-NEXT: [[IND_LVER_ORIG:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LVER_ORIG]] ], [ [[ADD_LVER_ORIG:%.*]], [[FOR_BODY_LVER_ORIG]] ]27; CHECK-NEXT: [[ARRAYIDXA_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IND_LVER_ORIG]]28; CHECK-NEXT: [[LOADA_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXA_LVER_ORIG]], align 429; CHECK-NEXT: [[ARRAYIDXB_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IND_LVER_ORIG]]30; CHECK-NEXT: [[LOADB_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXB_LVER_ORIG]], align 431; CHECK-NEXT: [[MULC_LVER_ORIG:%.*]] = mul i32 [[LOADA_LVER_ORIG]], [[LOADB_LVER_ORIG]]32; CHECK-NEXT: [[ARRAYIDXC_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[IND_LVER_ORIG]]33; CHECK-NEXT: store i32 [[MULC_LVER_ORIG]], ptr [[ARRAYIDXC_LVER_ORIG]], align 434; CHECK-NEXT: [[ADD_LVER_ORIG]] = add nuw nsw i64 [[IND_LVER_ORIG]], 135; CHECK-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[ADD_LVER_ORIG]], 2036; CHECK-NEXT: br i1 [[EXITCOND_LVER_ORIG]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY_LVER_ORIG]]37; CHECK: for.body.ph:38; CHECK-NEXT: br label [[FOR_BODY:%.*]]39; CHECK: for.body:40; CHECK-NEXT: [[IND:%.*]] = phi i64 [ 0, [[FOR_BODY_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]41; CHECK-NEXT: [[ARRAYIDXA:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IND]]42; CHECK-NEXT: [[LOADA:%.*]] = load i32, ptr [[ARRAYIDXA]], align 4, !alias.scope !043; CHECK-NEXT: [[ARRAYIDXB:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IND]]44; CHECK-NEXT: [[LOADB:%.*]] = load i32, ptr [[ARRAYIDXB]], align 4, !alias.scope !345; CHECK-NEXT: [[MULC:%.*]] = mul i32 [[LOADA]], [[LOADB]]46; CHECK-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[IND]]47; CHECK-NEXT: store i32 [[MULC]], ptr [[ARRAYIDXC]], align 4, !alias.scope !5, !noalias !748; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 149; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], 2050; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT6:%.*]], label [[FOR_BODY]]51; CHECK: for.end.loopexit:52; CHECK-NEXT: br label [[FOR_END:%.*]]53; CHECK: for.end.loopexit6:54; CHECK-NEXT: br label [[FOR_END]]55; CHECK: for.end:56; CHECK-NEXT: ret void57;58entry:59 br label %for.body60 61 62 63for.body: ; preds = %for.body, %entry64 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ]65 66 %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %ind67 %loadA = load i32, ptr %arrayidxA, align 468 69 %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %ind70 %loadB = load i32, ptr %arrayidxB, align 471 72 %mulC = mul i32 %loadA, %loadB73 74 %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %ind75 store i32 %mulC, ptr %arrayidxC, align 476 77 %add = add nuw nsw i64 %ind, 178 %exitcond = icmp eq i64 %add, 2079 br i1 %exitcond, label %for.end, label %for.body80 81for.end: ; preds = %for.body82 ret void83}84