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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -passes=loop-distribute -verify-loop-info -verify-dom-info -S < %s | FileCheck %s3;4; Check that followup loop-attributes are applied to the loops after5; 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 8415; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[C]], i64 8016; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[D]], i64 8017; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i8, ptr [[E]], i64 8018; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i8, ptr [[B]], i64 8019; 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 441; 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 443; 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]], 145; 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 447; 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 449; 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 451; 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 454; CHECK-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[ADD_LVER_ORIG]], 2055; 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 [[META4:![0-9]+]], !noalias [[META7:![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 [[META11:![0-9]+]]64; CHECK-NEXT: [[MULA_LDIST1:%.*]] = mul i32 [[LOADB_LDIST1]], [[LOADA_LDIST1]]65; CHECK-NEXT: [[ADD_LDIST1]] = add nuw nsw i64 [[IND_LDIST1]], 166; 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 [[META4]], !noalias [[META7]]68; CHECK-NEXT: [[EXITCOND_LDIST1:%.*]] = icmp eq i64 [[ADD_LDIST1]], 2069; CHECK-NEXT: br i1 [[EXITCOND_LDIST1]], label %[[FOR_BODY_PH:.*]], label %[[FOR_BODY_LDIST1]], !llvm.loop [[LOOP13:![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]], 175; CHECK-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[IND]]76; CHECK-NEXT: [[LOADD:%.*]] = load i32, ptr [[ARRAYIDXD]], align 4, !alias.scope [[META15:![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 [[META16:![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 [[META17:![0-9]+]], !noalias [[META11]]82; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], 2083; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END_LOOPEXIT16:.*]], label %[[FOR_BODY]], !llvm.loop [[LOOP18:![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 void90;91entry:92 br label %for.body93 94for.body:95 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ]96 97 %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %ind98 %loadA = load i32, ptr %arrayidxA, align 499 100 %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %ind101 %loadB = load i32, ptr %arrayidxB, align 4102 103 %mulA = mul i32 %loadB, %loadA104 105 %add = add nuw nsw i64 %ind, 1106 %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add107 store i32 %mulA, ptr %arrayidxA_plus_4, align 4108 109 %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %ind110 %loadD = load i32, ptr %arrayidxD, align 4111 112 %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %ind113 %loadE = load i32, ptr %arrayidxE, align 4114 115 %mulC = mul i32 %loadD, %loadE116 117 %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %ind118 store i32 %mulC, ptr %arrayidxC, align 4119 120 %exitcond = icmp eq i64 %add, 20121 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0122 123for.end:124 ret void125}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]+]], [[META3:![0-9]+]]}135; CHECK: [[META1]] = !{!"FollowupAll"}136; CHECK: [[META2]] = !{!"FollowupFallback"}137; CHECK: [[META3]] = !{!"llvm.loop.isdistributed", i32 1}138; CHECK: [[META4]] = !{[[META5:![0-9]+]]}139; CHECK: [[META5]] = distinct !{[[META5]], [[META6:![0-9]+]]}140; CHECK: [[META6]] = distinct !{[[META6]], !"LVerDomain"}141; CHECK: [[META7]] = !{[[META8:![0-9]+]], [[META9:![0-9]+]], [[META10:![0-9]+]]}142; CHECK: [[META8]] = distinct !{[[META8]], [[META6]]}143; CHECK: [[META9]] = distinct !{[[META9]], [[META6]]}144; CHECK: [[META10]] = distinct !{[[META10]], [[META6]]}145; CHECK: [[META11]] = !{[[META12:![0-9]+]]}146; CHECK: [[META12]] = distinct !{[[META12]], [[META6]]}147; CHECK: [[LOOP13]] = distinct !{[[LOOP13]], [[META1]], [[META14:![0-9]+]]}148; CHECK: [[META14]] = !{!"FollowupSequential", i32 8}149; CHECK: [[META15]] = !{[[META9]]}150; CHECK: [[META16]] = !{[[META10]]}151; CHECK: [[META17]] = !{[[META8]]}152; CHECK: [[LOOP18]] = distinct !{[[LOOP18]], [[META1]], [[META19:![0-9]+]]}153; CHECK: [[META19]] = !{!"FollowupCoincident", i1 false}154;.155