1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-vectorize < %s -S -o - | FileCheck %s 3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32:64-S128" 5target triple = "aarch64-unknown-linux-gnu" 6 7define void @firstorderrec(ptr nocapture noundef readonly %x, ptr noalias nocapture noundef writeonly %y, i32 noundef %n) { 8; CHECK-LABEL: @firstorderrec( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[CMP18:%.*]] = icmp sgt i32 [[N:%.*]], 1 11; CHECK-NEXT: br i1 [[CMP18]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] 12; CHECK: for.body.preheader: 13; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64 14; CHECK-NEXT: [[DOTPRE:%.*]] = load i8, ptr [[X:%.*]], align 1 15; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[WIDE_TRIP_COUNT]], -1 16; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 32 17; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 18; CHECK: vector.ph: 19; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 32 20; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]] 21; CHECK-NEXT: [[IND_END:%.*]] = add i64 1, [[N_VEC]] 22; CHECK-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <16 x i8> poison, i8 [[DOTPRE]], i32 15 23; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 24; CHECK: vector.body: 25; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 26; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <16 x i8> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD1:%.*]], [[VECTOR_BODY]] ] 27; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] 28; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 29; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 [[TMP1]] 30; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 0 31; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 16 32; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP5]], align 1 33; CHECK-NEXT: [[WIDE_LOAD1]] = load <16 x i8>, ptr [[TMP6]], align 1 34; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <16 x i8> [[VECTOR_RECUR]], <16 x i8> [[WIDE_LOAD]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 35; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <16 x i8> [[WIDE_LOAD]], <16 x i8> [[WIDE_LOAD1]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 36; CHECK-NEXT: [[TMP9:%.*]] = add <16 x i8> [[WIDE_LOAD]], [[TMP7]] 37; CHECK-NEXT: [[TMP10:%.*]] = add <16 x i8> [[WIDE_LOAD1]], [[TMP8]] 38; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[Y:%.*]], i64 [[TMP1]] 39; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[TMP11]], i32 0 40; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i8, ptr [[TMP11]], i32 16 41; CHECK-NEXT: store <16 x i8> [[TMP9]], ptr [[TMP13]], align 1 42; CHECK-NEXT: store <16 x i8> [[TMP10]], ptr [[TMP14]], align 1 43; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32 44; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 45; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 46; CHECK: middle.block: 47; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <16 x i8> [[WIDE_LOAD1]], i32 15 48; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] 49; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]] 50; CHECK: scalar.ph: 51; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i8 [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ], [ [[DOTPRE]], [[FOR_BODY_PREHEADER]] ] 52; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1, [[FOR_BODY_PREHEADER]] ] 53; CHECK-NEXT: br label [[FOR_BODY:%.*]] 54; CHECK: for.cond.cleanup.loopexit: 55; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] 56; CHECK: for.cond.cleanup: 57; CHECK-NEXT: ret void 58; CHECK: for.body: 59; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i8 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP16:%.*]], [[FOR_BODY]] ] 60; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] 61; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 [[INDVARS_IV]] 62; CHECK-NEXT: [[TMP16]] = load i8, ptr [[ARRAYIDX4]], align 1 63; CHECK-NEXT: [[ADD7:%.*]] = add i8 [[TMP16]], [[SCALAR_RECUR]] 64; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i8, ptr [[Y]], i64 [[INDVARS_IV]] 65; CHECK-NEXT: store i8 [[ADD7]], ptr [[ARRAYIDX10]], align 1 66; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 67; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]] 68; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 69; 70entry: 71 %cmp18 = icmp sgt i32 %n, 1 72 br i1 %cmp18, label %for.body.preheader, label %for.cond.cleanup 73 74for.body.preheader: ; preds = %entry 75 %wide.trip.count = zext i32 %n to i64 76 %.pre = load i8, ptr %x, align 1 77 br label %for.body 78 79for.cond.cleanup: ; preds = %for.body, %entry 80 ret void 81 82for.body: ; preds = %for.body.preheader, %for.body 83 %0 = phi i8 [ %.pre, %for.body.preheader ], [ %1, %for.body ] 84 %indvars.iv = phi i64 [ 1, %for.body.preheader ], [ %indvars.iv.next, %for.body ] 85 %arrayidx4 = getelementptr inbounds i8, ptr %x, i64 %indvars.iv 86 %1 = load i8, ptr %arrayidx4, align 1 87 %add7 = add i8 %1, %0 88 %arrayidx10 = getelementptr inbounds i8, ptr %y, i64 %indvars.iv 89 store i8 %add7, ptr %arrayidx10, align 1 90 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 91 %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count 92 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body 93} 94 95define void @thirdorderrec(ptr nocapture noundef readonly %x, ptr noalias nocapture noundef writeonly %y, i32 noundef %n) #0 { 96; CHECK-LABEL: @thirdorderrec( 97; CHECK-NEXT: entry: 98; CHECK-NEXT: [[CMP38:%.*]] = icmp sgt i32 [[N:%.*]], 3 99; CHECK-NEXT: br i1 [[CMP38]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] 100; CHECK: for.body.preheader: 101; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64 102; CHECK-NEXT: [[DOTPRE:%.*]] = load i8, ptr [[X:%.*]], align 1 103; CHECK-NEXT: [[ARRAYIDX5_PHI_TRANS_INSERT:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 1 104; CHECK-NEXT: [[DOTPRE44:%.*]] = load i8, ptr [[ARRAYIDX5_PHI_TRANS_INSERT]], align 1 105; CHECK-NEXT: [[ARRAYIDX12_PHI_TRANS_INSERT:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 2 106; CHECK-NEXT: [[DOTPRE45:%.*]] = load i8, ptr [[ARRAYIDX12_PHI_TRANS_INSERT]], align 1 107; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[WIDE_TRIP_COUNT]], -3 108; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 32 109; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 110; CHECK: vector.ph: 111; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 32 112; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]] 113; CHECK-NEXT: [[IND_END:%.*]] = add i64 3, [[N_VEC]] 114; CHECK-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <16 x i8> poison, i8 [[DOTPRE45]], i32 15 115; CHECK-NEXT: [[VECTOR_RECUR_INIT1:%.*]] = insertelement <16 x i8> poison, i8 [[DOTPRE44]], i32 15 116; CHECK-NEXT: [[VECTOR_RECUR_INIT3:%.*]] = insertelement <16 x i8> poison, i8 [[DOTPRE]], i32 15 117; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 118; CHECK: vector.body: 119; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 120; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <16 x i8> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD5:%.*]], [[VECTOR_BODY]] ] 121; CHECK-NEXT: [[VECTOR_RECUR2:%.*]] = phi <16 x i8> [ [[VECTOR_RECUR_INIT1]], [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ] 122; CHECK-NEXT: [[VECTOR_RECUR4:%.*]] = phi <16 x i8> [ [[VECTOR_RECUR_INIT3]], [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ] 123; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 3, [[INDEX]] 124; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 125; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 [[TMP1]] 126; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 0 127; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 16 128; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP5]], align 1 129; CHECK-NEXT: [[WIDE_LOAD5]] = load <16 x i8>, ptr [[TMP6]], align 1 130; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <16 x i8> [[VECTOR_RECUR]], <16 x i8> [[WIDE_LOAD]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 131; CHECK-NEXT: [[TMP8]] = shufflevector <16 x i8> [[WIDE_LOAD]], <16 x i8> [[WIDE_LOAD5]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 132; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <16 x i8> [[VECTOR_RECUR2]], <16 x i8> [[TMP7]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 133; CHECK-NEXT: [[TMP10]] = shufflevector <16 x i8> [[TMP7]], <16 x i8> [[TMP8]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 134; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <16 x i8> [[VECTOR_RECUR4]], <16 x i8> [[TMP9]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 135; CHECK-NEXT: [[TMP12:%.*]] = shufflevector <16 x i8> [[TMP9]], <16 x i8> [[TMP10]], <16 x i32> <i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30> 136; CHECK-NEXT: [[TMP13:%.*]] = add <16 x i8> [[TMP9]], [[TMP11]] 137; CHECK-NEXT: [[TMP14:%.*]] = add <16 x i8> [[TMP10]], [[TMP12]] 138; CHECK-NEXT: [[TMP15:%.*]] = add <16 x i8> [[TMP13]], [[TMP7]] 139; CHECK-NEXT: [[TMP16:%.*]] = add <16 x i8> [[TMP14]], [[TMP8]] 140; CHECK-NEXT: [[TMP17:%.*]] = add <16 x i8> [[TMP15]], [[WIDE_LOAD]] 141; CHECK-NEXT: [[TMP18:%.*]] = add <16 x i8> [[TMP16]], [[WIDE_LOAD5]] 142; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i8, ptr [[Y:%.*]], i64 [[TMP1]] 143; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds i8, ptr [[TMP19]], i32 0 144; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i8, ptr [[TMP19]], i32 16 145; CHECK-NEXT: store <16 x i8> [[TMP17]], ptr [[TMP21]], align 1 146; CHECK-NEXT: store <16 x i8> [[TMP18]], ptr [[TMP22]], align 1 147; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32 148; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 149; CHECK-NEXT: br i1 [[TMP23]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] 150; CHECK: middle.block: 151; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <16 x i8> [[WIDE_LOAD5]], i32 15 152; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT6:%.*]] = extractelement <16 x i8> [[TMP8]], i32 15 153; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT9:%.*]] = extractelement <16 x i8> [[TMP10]], i32 15 154; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] 155; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]] 156; CHECK: scalar.ph: 157; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i8 [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ], [ [[DOTPRE45]], [[FOR_BODY_PREHEADER]] ] 158; CHECK-NEXT: [[SCALAR_RECUR_INIT7:%.*]] = phi i8 [ [[VECTOR_RECUR_EXTRACT6]], [[MIDDLE_BLOCK]] ], [ [[DOTPRE44]], [[FOR_BODY_PREHEADER]] ] 159; CHECK-NEXT: [[SCALAR_RECUR_INIT10:%.*]] = phi i8 [ [[VECTOR_RECUR_EXTRACT9]], [[MIDDLE_BLOCK]] ], [ [[DOTPRE]], [[FOR_BODY_PREHEADER]] ] 160; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 3, [[FOR_BODY_PREHEADER]] ] 161; CHECK-NEXT: br label [[FOR_BODY:%.*]] 162; CHECK: for.cond.cleanup.loopexit: 163; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] 164; CHECK: for.cond.cleanup: 165; CHECK-NEXT: ret void 166; CHECK: for.body: 167; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i8 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP24:%.*]], [[FOR_BODY]] ] 168; CHECK-NEXT: [[SCALAR_RECUR8:%.*]] = phi i8 [ [[SCALAR_RECUR_INIT7]], [[SCALAR_PH]] ], [ [[SCALAR_RECUR]], [[FOR_BODY]] ] 169; CHECK-NEXT: [[SCALAR_RECUR11:%.*]] = phi i8 [ [[SCALAR_RECUR_INIT10]], [[SCALAR_PH]] ], [ [[SCALAR_RECUR8]], [[FOR_BODY]] ] 170; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] 171; CHECK-NEXT: [[ADD8:%.*]] = add i8 [[SCALAR_RECUR8]], [[SCALAR_RECUR11]] 172; CHECK-NEXT: [[ADD15:%.*]] = add i8 [[ADD8]], [[SCALAR_RECUR]] 173; CHECK-NEXT: [[ARRAYIDX18:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 [[INDVARS_IV]] 174; CHECK-NEXT: [[TMP24]] = load i8, ptr [[ARRAYIDX18]], align 1 175; CHECK-NEXT: [[ADD21:%.*]] = add i8 [[ADD15]], [[TMP24]] 176; CHECK-NEXT: [[ARRAYIDX24:%.*]] = getelementptr inbounds i8, ptr [[Y]], i64 [[INDVARS_IV]] 177; CHECK-NEXT: store i8 [[ADD21]], ptr [[ARRAYIDX24]], align 1 178; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 179; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]] 180; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] 181; 182entry: 183 %cmp38 = icmp sgt i32 %n, 3 184 br i1 %cmp38, label %for.body.preheader, label %for.cond.cleanup 185 186for.body.preheader: ; preds = %entry 187 %wide.trip.count = zext i32 %n to i64 188 %.pre = load i8, ptr %x, align 1 189 %arrayidx5.phi.trans.insert = getelementptr inbounds i8, ptr %x, i64 1 190 %.pre44 = load i8, ptr %arrayidx5.phi.trans.insert, align 1 191 %arrayidx12.phi.trans.insert = getelementptr inbounds i8, ptr %x, i64 2 192 %.pre45 = load i8, ptr %arrayidx12.phi.trans.insert, align 1 193 br label %for.body 194 195for.cond.cleanup: ; preds = %for.body, %entry 196 ret void 197 198for.body: ; preds = %for.body.preheader, %for.body 199 %0 = phi i8 [ %.pre45, %for.body.preheader ], [ %3, %for.body ] 200 %1 = phi i8 [ %.pre44, %for.body.preheader ], [ %0, %for.body ] 201 %2 = phi i8 [ %.pre, %for.body.preheader ], [ %1, %for.body ] 202 %indvars.iv = phi i64 [ 3, %for.body.preheader ], [ %indvars.iv.next, %for.body ] 203 %add8 = add i8 %1, %2 204 %add15 = add i8 %add8, %0 205 %arrayidx18 = getelementptr inbounds i8, ptr %x, i64 %indvars.iv 206 %3 = load i8, ptr %arrayidx18, align 1 207 %add21 = add i8 %add15, %3 208 %arrayidx24 = getelementptr inbounds i8, ptr %y, i64 %indvars.iv 209 store i8 %add21, ptr %arrayidx24, align 1 210 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 211 %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count 212 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body 213} 214