1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2; RUN: opt -passes=loop-distribute -verify-loop-info -verify-dom-info -S < %s | FileCheck %s 3; 4; Check that followup loop-attributes are applied to the loops after 5; loop distribution. 6; 7 8define void @f(ptr %a, ptr %b, ptr %c, ptr %d, ptr %e) { 9; CHECK-LABEL: define void @f( 10; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], ptr [[C:%.*]], ptr [[D:%.*]], ptr [[E:%.*]]) { 11; CHECK-NEXT: [[ENTRY:.*:]] 12; CHECK-NEXT: br label %[[FOR_BODY_LVER_CHECK:.*]] 13; CHECK: [[FOR_BODY_LVER_CHECK]]: 14; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[A]], i64 84 15; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[C]], i64 80 16; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[D]], i64 80 17; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i8, ptr [[E]], i64 80 18; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i8, ptr [[B]], i64 80 19; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[A]], [[SCEVGEP1]] 20; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[C]], [[SCEVGEP]] 21; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] 22; CHECK-NEXT: [[BOUND05:%.*]] = icmp ult ptr [[A]], [[SCEVGEP2]] 23; CHECK-NEXT: [[BOUND16:%.*]] = icmp ult ptr [[D]], [[SCEVGEP]] 24; CHECK-NEXT: [[FOUND_CONFLICT7:%.*]] = and i1 [[BOUND05]], [[BOUND16]] 25; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT7]] 26; CHECK-NEXT: [[BOUND08:%.*]] = icmp ult ptr [[A]], [[SCEVGEP3]] 27; CHECK-NEXT: [[BOUND19:%.*]] = icmp ult ptr [[E]], [[SCEVGEP]] 28; CHECK-NEXT: [[FOUND_CONFLICT10:%.*]] = and i1 [[BOUND08]], [[BOUND19]] 29; CHECK-NEXT: [[CONFLICT_RDX11:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT10]] 30; CHECK-NEXT: [[BOUND012:%.*]] = icmp ult ptr [[C]], [[SCEVGEP4]] 31; CHECK-NEXT: [[BOUND113:%.*]] = icmp ult ptr [[B]], [[SCEVGEP1]] 32; CHECK-NEXT: [[FOUND_CONFLICT14:%.*]] = and i1 [[BOUND012]], [[BOUND113]] 33; CHECK-NEXT: [[CONFLICT_RDX15:%.*]] = or i1 [[CONFLICT_RDX11]], [[FOUND_CONFLICT14]] 34; CHECK-NEXT: br i1 [[CONFLICT_RDX15]], label %[[FOR_BODY_PH_LVER_ORIG:.*]], label %[[FOR_BODY_PH_LDIST1:.*]] 35; CHECK: [[FOR_BODY_PH_LVER_ORIG]]: 36; CHECK-NEXT: br label %[[FOR_BODY_LVER_ORIG:.*]] 37; CHECK: [[FOR_BODY_LVER_ORIG]]: 38; CHECK-NEXT: [[IND_LVER_ORIG:%.*]] = phi i64 [ 0, %[[FOR_BODY_PH_LVER_ORIG]] ], [ [[ADD_LVER_ORIG:%.*]], %[[FOR_BODY_LVER_ORIG]] ] 39; CHECK-NEXT: [[ARRAYIDXA_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IND_LVER_ORIG]] 40; CHECK-NEXT: [[LOADA_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXA_LVER_ORIG]], align 4 41; CHECK-NEXT: [[ARRAYIDXB_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IND_LVER_ORIG]] 42; CHECK-NEXT: [[LOADB_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXB_LVER_ORIG]], align 4 43; CHECK-NEXT: [[MULA_LVER_ORIG:%.*]] = mul i32 [[LOADB_LVER_ORIG]], [[LOADA_LVER_ORIG]] 44; CHECK-NEXT: [[ADD_LVER_ORIG]] = add nuw nsw i64 [[IND_LVER_ORIG]], 1 45; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD_LVER_ORIG]] 46; CHECK-NEXT: store i32 [[MULA_LVER_ORIG]], ptr [[ARRAYIDXA_PLUS_4_LVER_ORIG]], align 4 47; CHECK-NEXT: [[ARRAYIDXD_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[IND_LVER_ORIG]] 48; CHECK-NEXT: [[LOADD_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXD_LVER_ORIG]], align 4 49; CHECK-NEXT: [[ARRAYIDXE_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[E]], i64 [[IND_LVER_ORIG]] 50; CHECK-NEXT: [[LOADE_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXE_LVER_ORIG]], align 4 51; CHECK-NEXT: [[MULC_LVER_ORIG:%.*]] = mul i32 [[LOADD_LVER_ORIG]], [[LOADE_LVER_ORIG]] 52; CHECK-NEXT: [[ARRAYIDXC_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[IND_LVER_ORIG]] 53; CHECK-NEXT: store i32 [[MULC_LVER_ORIG]], ptr [[ARRAYIDXC_LVER_ORIG]], align 4 54; CHECK-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[ADD_LVER_ORIG]], 20 55; CHECK-NEXT: br i1 [[EXITCOND_LVER_ORIG]], label %[[FOR_END_LOOPEXIT:.*]], label %[[FOR_BODY_LVER_ORIG]], !llvm.loop [[LOOP0:![0-9]+]] 56; CHECK: [[FOR_BODY_PH_LDIST1]]: 57; CHECK-NEXT: br label %[[FOR_BODY_LDIST1:.*]] 58; CHECK: [[FOR_BODY_LDIST1]]: 59; CHECK-NEXT: [[IND_LDIST1:%.*]] = phi i64 [ 0, %[[FOR_BODY_PH_LDIST1]] ], [ [[ADD_LDIST1:%.*]], %[[FOR_BODY_LDIST1]] ] 60; CHECK-NEXT: [[ARRAYIDXA_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IND_LDIST1]] 61; CHECK-NEXT: [[LOADA_LDIST1:%.*]] = load i32, ptr [[ARRAYIDXA_LDIST1]], align 4, !alias.scope [[META3:![0-9]+]], !noalias [[META6:![0-9]+]] 62; CHECK-NEXT: [[ARRAYIDXB_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IND_LDIST1]] 63; CHECK-NEXT: [[LOADB_LDIST1:%.*]] = load i32, ptr [[ARRAYIDXB_LDIST1]], align 4, !alias.scope [[META10:![0-9]+]] 64; CHECK-NEXT: [[MULA_LDIST1:%.*]] = mul i32 [[LOADB_LDIST1]], [[LOADA_LDIST1]] 65; CHECK-NEXT: [[ADD_LDIST1]] = add nuw nsw i64 [[IND_LDIST1]], 1 66; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD_LDIST1]] 67; CHECK-NEXT: store i32 [[MULA_LDIST1]], ptr [[ARRAYIDXA_PLUS_4_LDIST1]], align 4, !alias.scope [[META3]], !noalias [[META6]] 68; CHECK-NEXT: [[EXITCOND_LDIST1:%.*]] = icmp eq i64 [[ADD_LDIST1]], 20 69; CHECK-NEXT: br i1 [[EXITCOND_LDIST1]], label %[[FOR_BODY_PH:.*]], label %[[FOR_BODY_LDIST1]], !llvm.loop [[LOOP12:![0-9]+]] 70; CHECK: [[FOR_BODY_PH]]: 71; CHECK-NEXT: br label %[[FOR_BODY:.*]] 72; CHECK: [[FOR_BODY]]: 73; CHECK-NEXT: [[IND:%.*]] = phi i64 [ 0, %[[FOR_BODY_PH]] ], [ [[ADD:%.*]], %[[FOR_BODY]] ] 74; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1 75; CHECK-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[IND]] 76; CHECK-NEXT: [[LOADD:%.*]] = load i32, ptr [[ARRAYIDXD]], align 4, !alias.scope [[META14:![0-9]+]] 77; CHECK-NEXT: [[ARRAYIDXE:%.*]] = getelementptr inbounds i32, ptr [[E]], i64 [[IND]] 78; CHECK-NEXT: [[LOADE:%.*]] = load i32, ptr [[ARRAYIDXE]], align 4, !alias.scope [[META15:![0-9]+]] 79; CHECK-NEXT: [[MULC:%.*]] = mul i32 [[LOADD]], [[LOADE]] 80; CHECK-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[IND]] 81; CHECK-NEXT: store i32 [[MULC]], ptr [[ARRAYIDXC]], align 4, !alias.scope [[META16:![0-9]+]], !noalias [[META10]] 82; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], 20 83; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END_LOOPEXIT16:.*]], label %[[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]] 84; CHECK: [[FOR_END_LOOPEXIT]]: 85; CHECK-NEXT: br label %[[FOR_END:.*]] 86; CHECK: [[FOR_END_LOOPEXIT16]]: 87; CHECK-NEXT: br label %[[FOR_END]] 88; CHECK: [[FOR_END]]: 89; CHECK-NEXT: ret void 90; 91entry: 92 br label %for.body 93 94for.body: 95 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] 96 97 %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %ind 98 %loadA = load i32, ptr %arrayidxA, align 4 99 100 %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %ind 101 %loadB = load i32, ptr %arrayidxB, align 4 102 103 %mulA = mul i32 %loadB, %loadA 104 105 %add = add nuw nsw i64 %ind, 1 106 %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add 107 store i32 %mulA, ptr %arrayidxA_plus_4, align 4 108 109 %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %ind 110 %loadD = load i32, ptr %arrayidxD, align 4 111 112 %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %ind 113 %loadE = load i32, ptr %arrayidxE, align 4 114 115 %mulC = mul i32 %loadD, %loadE 116 117 %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %ind 118 store i32 %mulC, ptr %arrayidxC, align 4 119 120 %exitcond = icmp eq i64 %add, 20 121 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 122 123for.end: 124 ret void 125} 126 127!0 = distinct !{!0, !1, !2, !3, !4, !5} 128!1 = !{!"llvm.loop.distribute.enable", i1 true} 129!2 = !{!"llvm.loop.distribute.followup_all", !{!"FollowupAll"}} 130!3 = !{!"llvm.loop.distribute.followup_coincident", !{!"FollowupCoincident", i1 false}} 131!4 = !{!"llvm.loop.distribute.followup_sequential", !{!"FollowupSequential", i32 8}} 132!5 = !{!"llvm.loop.distribute.followup_fallback", !{!"FollowupFallback"}} 133;. 134; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} 135; CHECK: [[META1]] = !{!"FollowupAll"} 136; CHECK: [[META2]] = !{!"FollowupFallback"} 137; CHECK: [[META3]] = !{[[META4:![0-9]+]]} 138; CHECK: [[META4]] = distinct !{[[META4]], [[META5:![0-9]+]]} 139; CHECK: [[META5]] = distinct !{[[META5]], !"LVerDomain"} 140; CHECK: [[META6]] = !{[[META7:![0-9]+]], [[META8:![0-9]+]], [[META9:![0-9]+]]} 141; CHECK: [[META7]] = distinct !{[[META7]], [[META5]]} 142; CHECK: [[META8]] = distinct !{[[META8]], [[META5]]} 143; CHECK: [[META9]] = distinct !{[[META9]], [[META5]]} 144; CHECK: [[META10]] = !{[[META11:![0-9]+]]} 145; CHECK: [[META11]] = distinct !{[[META11]], [[META5]]} 146; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META13:![0-9]+]]} 147; CHECK: [[META13]] = !{!"FollowupSequential", i32 8} 148; CHECK: [[META14]] = !{[[META8]]} 149; CHECK: [[META15]] = !{[[META9]]} 150; CHECK: [[META16]] = !{[[META7]]} 151; CHECK: [[LOOP17]] = distinct !{[[LOOP17]], [[META1]], [[META18:![0-9]+]]} 152; CHECK: [[META18]] = !{!"FollowupCoincident", i1 false} 153;. 154