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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -aa-pipeline=basic-aa -passes=loop-distribute -enable-loop-distribute -verify-loop-info -verify-dom-info -S %s | FileCheck %s3 4; Testcases inspired by PR50296, PR50288.5 6define void @phi_load_store_distribute(i1 %cond, ptr %A, ptr %B, ptr %C) {7; CHECK-LABEL: @phi_load_store_distribute(8; CHECK-NEXT: entry:9; CHECK-NEXT: br label [[FOR_BODY:%.*]]10; CHECK: for.body.lver.check:11; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[A:%.*]], i64 212; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[C:%.*]], i64 213; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[B:%.*]], i64 214; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[A]], [[SCEVGEP1]]15; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[C]], [[SCEVGEP]]16; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]17; CHECK-NEXT: [[BOUND03:%.*]] = icmp ult ptr [[A]], [[SCEVGEP2]]18; CHECK-NEXT: [[BOUND14:%.*]] = icmp ult ptr [[B]], [[SCEVGEP]]19; CHECK-NEXT: [[FOUND_CONFLICT5:%.*]] = and i1 [[BOUND03]], [[BOUND14]]20; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT5]]21; CHECK-NEXT: br i1 [[CONFLICT_RDX]], label [[ENTRY:%.*]], label [[FOR_BODY_PH_LDIST1:%.*]]22; CHECK: for.body.ph.lver.orig:23; CHECK-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]]24; CHECK: for.body.lver.orig:25; CHECK-NEXT: [[IV:%.*]] = phi i16 [ 0, [[ENTRY]] ], [ [[IV_NEXT:%.*]], [[IF_END:%.*]] ]26; CHECK-NEXT: [[LV:%.*]] = load i16, ptr [[A]], align 127; CHECK-NEXT: store i16 [[LV]], ptr [[A]], align 128; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[IF_END]]29; CHECK: if.then.lver.orig:30; CHECK-NEXT: [[LV2:%.*]] = load i16, ptr [[A]], align 131; CHECK-NEXT: br label [[IF_END]]32; CHECK: if.end.lver.orig:33; CHECK-NEXT: [[C_SINK_LVER_ORIG:%.*]] = phi ptr [ [[B]], [[IF_THEN]] ], [ [[C]], [[FOR_BODY_LVER_ORIG]] ]34; CHECK-NEXT: [[LV3_LVER_ORIG:%.*]] = load i16, ptr [[C_SINK_LVER_ORIG]], align 235; CHECK-NEXT: [[ADD_LVER_ORIG:%.*]] = add i16 [[LV3_LVER_ORIG]], 1036; CHECK-NEXT: store i16 [[ADD_LVER_ORIG]], ptr [[C_SINK_LVER_ORIG]], align 137; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i16 [[IV]], 138; CHECK-NEXT: [[TOBOOL_NOT_LVER_ORIG:%.*]] = icmp eq i16 [[IV_NEXT]], 100039; CHECK-NEXT: br i1 [[TOBOOL_NOT_LVER_ORIG]], label [[FOR_END_LOOPEXIT_LOOPEXIT:%.*]], label [[FOR_BODY_LVER_ORIG]]40; CHECK: for.body.ph.ldist1:41; CHECK-NEXT: br label [[FOR_BODY_LDIST1:%.*]]42; CHECK: for.body.ldist1:43; CHECK-NEXT: [[IV_LDIST1:%.*]] = phi i16 [ 0, [[FOR_BODY_PH_LDIST1]] ], [ [[IV_NEXT_LDIST1:%.*]], [[IF_END_LDIST1:%.*]] ]44; CHECK-NEXT: [[LV_LDIST1:%.*]] = load i16, ptr [[A]], align 1, !alias.scope [[META0:![0-9]+]], !noalias [[META3:![0-9]+]]45; CHECK-NEXT: store i16 [[LV_LDIST1]], ptr [[A]], align 1, !alias.scope [[META0]], !noalias [[META3]]46; CHECK-NEXT: br i1 [[COND]], label [[IF_THEN_LDIST1:%.*]], label [[IF_END_LDIST1]]47; CHECK: if.then.ldist1:48; CHECK-NEXT: [[LV2_LDIST1:%.*]] = load i16, ptr [[A]], align 1, !alias.scope [[META0]], !noalias [[META3]]49; CHECK-NEXT: br label [[IF_END_LDIST1]]50; CHECK: if.end.ldist1:51; CHECK-NEXT: [[IV_NEXT_LDIST1]] = add nuw nsw i16 [[IV_LDIST1]], 152; CHECK-NEXT: [[TOBOOL_NOT_LDIST1:%.*]] = icmp eq i16 [[IV_NEXT_LDIST1]], 100053; CHECK-NEXT: br i1 [[TOBOOL_NOT_LDIST1]], label [[FOR_BODY_PH:%.*]], label [[FOR_BODY_LDIST1]]54; CHECK: for.body.ph:55; CHECK-NEXT: br label [[FOR_BODY1:%.*]]56; CHECK: for.body:57; CHECK-NEXT: [[IV1:%.*]] = phi i16 [ 0, [[FOR_BODY_PH]] ], [ [[IV_NEXT1:%.*]], [[IF_END1:%.*]] ]58; CHECK-NEXT: br i1 [[COND]], label [[IF_THEN1:%.*]], label [[IF_END1]]59; CHECK: if.then:60; CHECK-NEXT: br label [[IF_END1]]61; CHECK: if.end:62; CHECK-NEXT: [[C_SINK:%.*]] = phi ptr [ [[B]], [[IF_THEN1]] ], [ [[C]], [[FOR_BODY1]] ]63; CHECK-NEXT: [[LV3:%.*]] = load i16, ptr [[C_SINK]], align 264; CHECK-NEXT: [[ADD:%.*]] = add i16 [[LV3]], 1065; CHECK-NEXT: store i16 [[ADD]], ptr [[C_SINK]], align 166; CHECK-NEXT: [[IV_NEXT1]] = add nuw nsw i16 [[IV1]], 167; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i16 [[IV_NEXT1]], 100068; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_END_LOOPEXIT_LOOPEXIT6:%.*]], label [[FOR_BODY1]]69; CHECK: for.end.loopexit.loopexit:70; CHECK-NEXT: br label [[FOR_END_LOOPEXIT:%.*]]71; CHECK: for.end.loopexit.loopexit6:72; CHECK-NEXT: br label [[FOR_END_LOOPEXIT]]73; CHECK: for.end.loopexit:74; CHECK-NEXT: ret void75;76entry:77 br label %for.body78 79for.body: ; preds = %if.end, %entry80 %iv = phi i16 [ 0, %entry ], [ %iv.next, %if.end ]81 %lv = load i16, ptr %A, align 182 store i16 %lv, ptr %A, align 183 br i1 %cond, label %if.then, label %if.end84 85if.then: ; preds = %for.body86 %lv2 = load i16, ptr %A, align 187 br label %if.end88 89if.end: ; preds = %if.then, %for.body90 %c.sink = phi ptr [ %B, %if.then ], [ %C, %for.body ]91 %lv3 = load i16, ptr %c.sink92 %add = add i16 %lv3, 1093 store i16 %add, ptr %c.sink, align 194 %iv.next = add nuw nsw i16 %iv, 195 %tobool.not = icmp eq i16 %iv.next, 100096 br i1 %tobool.not, label %for.end.loopexit, label %for.body97 98for.end.loopexit: ; preds = %if.end99 ret void100}101 102define void @phi_load_distribute(i1 %cond, ptr %A, ptr %B, ptr %C) {103; CHECK-LABEL: @phi_load_distribute(104; CHECK-NEXT: entry:105; CHECK-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]]106; CHECK: for.body:107; CHECK-NEXT: [[IV_LVER_ORIG:%.*]] = phi i16 [ 0, [[FOR_BODY_PH_LVER_ORIG:%.*]] ], [ [[IV_NEXT_LVER_ORIG:%.*]], [[IF_END_LVER_ORIG:%.*]] ]108; CHECK-NEXT: [[LV_LVER_ORIG:%.*]] = load i16, ptr [[A:%.*]], align 1109; CHECK-NEXT: store i16 [[LV_LVER_ORIG]], ptr [[A]], align 1110; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN_LVER_ORIG:%.*]], label [[IF_END_LVER_ORIG]]111; CHECK: if.then:112; CHECK-NEXT: [[LV2:%.*]] = load i16, ptr [[A]], align 1113; CHECK-NEXT: br label [[IF_END_LVER_ORIG]]114; CHECK: if.end:115; CHECK-NEXT: [[C_SINK:%.*]] = phi ptr [ [[B:%.*]], [[IF_THEN_LVER_ORIG]] ], [ [[C:%.*]], [[FOR_BODY_LVER_ORIG]] ]116; CHECK-NEXT: [[LV3:%.*]] = load i16, ptr [[C_SINK]], align 2117; CHECK-NEXT: [[IV_NEXT_LVER_ORIG]] = add nuw nsw i16 [[IV_LVER_ORIG]], 1118; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i16 [[IV_NEXT_LVER_ORIG]], 1000119; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY_LVER_ORIG]]120; CHECK: for.end.loopexit:121; CHECK-NEXT: ret void122;123entry:124 br label %for.body125 126for.body: ; preds = %if.end, %entry127 %iv = phi i16 [ 0, %entry ], [ %iv.next, %if.end ]128 %lv = load i16, ptr %A, align 1129 store i16 %lv, ptr %A, align 1130 br i1 %cond, label %if.then, label %if.end131 132if.then: ; preds = %for.body133 %lv2 = load i16, ptr %A, align 1134 br label %if.end135 136if.end: ; preds = %if.then, %for.body137 %c.sink = phi ptr [ %B, %if.then ], [ %C, %for.body ]138 %lv3 = load i16, ptr %c.sink139 %iv.next = add nuw nsw i16 %iv, 1140 %tobool.not = icmp eq i16 %iv.next, 1000141 br i1 %tobool.not, label %for.end.loopexit, label %for.body142 143for.end.loopexit: ; preds = %if.end144 ret void145}146 147 148