1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=cortex-a57 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s 3; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=cortex-a75 -S %s | FileCheck --check-prefix=INTERLEAVE-2 %s 4; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-m1 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s 5; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-a14 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s 6; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-a15 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s 7; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-a16 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s 8; RUN: opt -passes=loop-vectorize -mtriple=arm64 -mcpu=neoverse-v2 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s 9; RUN: opt -passes=loop-vectorize -mtriple=arm64 -mcpu=neoverse-v3 -S %s | FileCheck --check-prefix=INTERLEAVE-4-VLA %s 10 11; Tests for selecting interleave counts for loops with loads and stores. 12 13define void @interleave_single_load_store(ptr %src, ptr %dst, i64 %N, i8 %a, i8 %b) { 14; INTERLEAVE-4-LABEL: @interleave_single_load_store( 15; INTERLEAVE-4-NEXT: iter.check: 16; INTERLEAVE-4-NEXT: [[SRC2:%.*]] = ptrtoint ptr [[SRC:%.*]] to i64 17; INTERLEAVE-4-NEXT: [[DST1:%.*]] = ptrtoint ptr [[DST:%.*]] to i64 18; INTERLEAVE-4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8 19; INTERLEAVE-4-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]] 20; INTERLEAVE-4: vector.memcheck: 21; INTERLEAVE-4-NEXT: [[TMP0:%.*]] = sub i64 [[DST1]], [[SRC2]] 22; INTERLEAVE-4-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i64 [[TMP0]], 64 23; INTERLEAVE-4-NEXT: br i1 [[DIFF_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] 24; INTERLEAVE-4: vector.main.loop.iter.check: 25; INTERLEAVE-4-NEXT: [[MIN_ITERS_CHECK3:%.*]] = icmp ult i64 [[N]], 64 26; INTERLEAVE-4-NEXT: br i1 [[MIN_ITERS_CHECK3]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] 27; INTERLEAVE-4: vector.ph: 28; INTERLEAVE-4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 64 29; INTERLEAVE-4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 30; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i8> poison, i8 [[B:%.*]], i64 0 31; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT]], <16 x i8> poison, <16 x i32> zeroinitializer 32; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <16 x i8> poison, i8 [[A:%.*]], i64 0 33; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT8:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT7]], <16 x i8> poison, <16 x i32> zeroinitializer 34; INTERLEAVE-4-NEXT: br label [[VECTOR_BODY:%.*]] 35; INTERLEAVE-4: vector.body: 36; INTERLEAVE-4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 37; INTERLEAVE-4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0 38; INTERLEAVE-4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP1]] 39; INTERLEAVE-4-NEXT: [[TMP9:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 0 40; INTERLEAVE-4-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 16 41; INTERLEAVE-4-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 32 42; INTERLEAVE-4-NEXT: [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 48 43; INTERLEAVE-4-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP9]], align 1 44; INTERLEAVE-4-NEXT: [[WIDE_LOAD4:%.*]] = load <16 x i8>, ptr [[TMP10]], align 1 45; INTERLEAVE-4-NEXT: [[WIDE_LOAD5:%.*]] = load <16 x i8>, ptr [[TMP11]], align 1 46; INTERLEAVE-4-NEXT: [[WIDE_LOAD6:%.*]] = load <16 x i8>, ptr [[TMP12]], align 1 47; INTERLEAVE-4-NEXT: [[TMP13:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD]], [[BROADCAST_SPLAT]] 48; INTERLEAVE-4-NEXT: [[TMP14:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD4]], [[BROADCAST_SPLAT]] 49; INTERLEAVE-4-NEXT: [[TMP15:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD5]], [[BROADCAST_SPLAT]] 50; INTERLEAVE-4-NEXT: [[TMP16:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD6]], [[BROADCAST_SPLAT]] 51; INTERLEAVE-4-NEXT: [[TMP17:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD]], <16 x i8> [[BROADCAST_SPLAT8]]) 52; INTERLEAVE-4-NEXT: [[TMP18:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD4]], <16 x i8> [[BROADCAST_SPLAT8]]) 53; INTERLEAVE-4-NEXT: [[TMP19:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD5]], <16 x i8> [[BROADCAST_SPLAT8]]) 54; INTERLEAVE-4-NEXT: [[TMP20:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD6]], <16 x i8> [[BROADCAST_SPLAT8]]) 55; INTERLEAVE-4-NEXT: [[TMP21:%.*]] = select <16 x i1> [[TMP13]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP17]] 56; INTERLEAVE-4-NEXT: [[TMP22:%.*]] = select <16 x i1> [[TMP14]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP18]] 57; INTERLEAVE-4-NEXT: [[TMP23:%.*]] = select <16 x i1> [[TMP15]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP19]] 58; INTERLEAVE-4-NEXT: [[TMP24:%.*]] = select <16 x i1> [[TMP16]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP20]] 59; INTERLEAVE-4-NEXT: [[TMP25:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP1]] 60; INTERLEAVE-4-NEXT: [[TMP29:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 0 61; INTERLEAVE-4-NEXT: [[TMP30:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 16 62; INTERLEAVE-4-NEXT: [[TMP31:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 32 63; INTERLEAVE-4-NEXT: [[TMP32:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 48 64; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP21]], ptr [[TMP29]], align 1 65; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP22]], ptr [[TMP30]], align 1 66; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP23]], ptr [[TMP31]], align 1 67; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP24]], ptr [[TMP32]], align 1 68; INTERLEAVE-4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 64 69; INTERLEAVE-4-NEXT: [[TMP33:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 70; INTERLEAVE-4-NEXT: br i1 [[TMP33]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 71; INTERLEAVE-4: middle.block: 72; INTERLEAVE-4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] 73; INTERLEAVE-4-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] 74; INTERLEAVE-4: vec.epilog.iter.check: 75; INTERLEAVE-4-NEXT: [[N_VEC_REMAINING:%.*]] = sub i64 [[N]], [[N_VEC]] 76; INTERLEAVE-4-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_VEC_REMAINING]], 8 77; INTERLEAVE-4-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] 78; INTERLEAVE-4: vec.epilog.ph: 79; INTERLEAVE-4-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] 80; INTERLEAVE-4-NEXT: [[N_MOD_VF9:%.*]] = urem i64 [[N]], 8 81; INTERLEAVE-4-NEXT: [[N_VEC10:%.*]] = sub i64 [[N]], [[N_MOD_VF9]] 82; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <8 x i8> poison, i8 [[B]], i64 0 83; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT15:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT14]], <8 x i8> poison, <8 x i32> zeroinitializer 84; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT16:%.*]] = insertelement <8 x i8> poison, i8 [[A]], i64 0 85; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT17:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT16]], <8 x i8> poison, <8 x i32> zeroinitializer 86; INTERLEAVE-4-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] 87; INTERLEAVE-4: vec.epilog.vector.body: 88; INTERLEAVE-4-NEXT: [[INDEX12:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT18:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] 89; INTERLEAVE-4-NEXT: [[TMP34:%.*]] = add i64 [[INDEX12]], 0 90; INTERLEAVE-4-NEXT: [[TMP35:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP34]] 91; INTERLEAVE-4-NEXT: [[TMP36:%.*]] = getelementptr inbounds i8, ptr [[TMP35]], i32 0 92; INTERLEAVE-4-NEXT: [[WIDE_LOAD13:%.*]] = load <8 x i8>, ptr [[TMP36]], align 1 93; INTERLEAVE-4-NEXT: [[TMP37:%.*]] = icmp sgt <8 x i8> [[WIDE_LOAD13]], [[BROADCAST_SPLAT15]] 94; INTERLEAVE-4-NEXT: [[TMP38:%.*]] = call <8 x i8> @llvm.smax.v8i8(<8 x i8> [[WIDE_LOAD13]], <8 x i8> [[BROADCAST_SPLAT17]]) 95; INTERLEAVE-4-NEXT: [[TMP39:%.*]] = select <8 x i1> [[TMP37]], <8 x i8> [[BROADCAST_SPLAT15]], <8 x i8> [[TMP38]] 96; INTERLEAVE-4-NEXT: [[TMP40:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP34]] 97; INTERLEAVE-4-NEXT: [[TMP41:%.*]] = getelementptr inbounds i8, ptr [[TMP40]], i32 0 98; INTERLEAVE-4-NEXT: store <8 x i8> [[TMP39]], ptr [[TMP41]], align 1 99; INTERLEAVE-4-NEXT: [[INDEX_NEXT18]] = add nuw i64 [[INDEX12]], 8 100; INTERLEAVE-4-NEXT: [[TMP42:%.*]] = icmp eq i64 [[INDEX_NEXT18]], [[N_VEC10]] 101; INTERLEAVE-4-NEXT: br i1 [[TMP42]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 102; INTERLEAVE-4: vec.epilog.middle.block: 103; INTERLEAVE-4-NEXT: [[CMP_N11:%.*]] = icmp eq i64 [[N]], [[N_VEC10]] 104; INTERLEAVE-4-NEXT: br i1 [[CMP_N11]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]] 105; INTERLEAVE-4: vec.epilog.scalar.ph: 106; INTERLEAVE-4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ] 107; INTERLEAVE-4-NEXT: br label [[LOOP:%.*]] 108; INTERLEAVE-4: loop: 109; INTERLEAVE-4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] 110; INTERLEAVE-4-NEXT: [[GEP_SRC:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[IV]] 111; INTERLEAVE-4-NEXT: [[L:%.*]] = load i8, ptr [[GEP_SRC]], align 1 112; INTERLEAVE-4-NEXT: [[CMP:%.*]] = icmp sgt i8 [[L]], [[B]] 113; INTERLEAVE-4-NEXT: [[MAX:%.*]] = tail call i8 @llvm.smax.i8(i8 [[L]], i8 [[A]]) 114; INTERLEAVE-4-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i8 [[B]], i8 [[MAX]] 115; INTERLEAVE-4-NEXT: [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]] 116; INTERLEAVE-4-NEXT: store i8 [[SEL]], ptr [[GEP_DST]], align 1 117; INTERLEAVE-4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 118; INTERLEAVE-4-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]] 119; INTERLEAVE-4-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP4:![0-9]+]] 120; INTERLEAVE-4: exit: 121; INTERLEAVE-4-NEXT: ret void 122; 123; INTERLEAVE-2-LABEL: @interleave_single_load_store( 124; INTERLEAVE-2-NEXT: iter.check: 125; INTERLEAVE-2-NEXT: [[SRC2:%.*]] = ptrtoint ptr [[SRC:%.*]] to i64 126; INTERLEAVE-2-NEXT: [[DST1:%.*]] = ptrtoint ptr [[DST:%.*]] to i64 127; INTERLEAVE-2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8 128; INTERLEAVE-2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]] 129; INTERLEAVE-2: vector.memcheck: 130; INTERLEAVE-2-NEXT: [[TMP0:%.*]] = sub i64 [[DST1]], [[SRC2]] 131; INTERLEAVE-2-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i64 [[TMP0]], 32 132; INTERLEAVE-2-NEXT: br i1 [[DIFF_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] 133; INTERLEAVE-2: vector.main.loop.iter.check: 134; INTERLEAVE-2-NEXT: [[MIN_ITERS_CHECK3:%.*]] = icmp ult i64 [[N]], 32 135; INTERLEAVE-2-NEXT: br i1 [[MIN_ITERS_CHECK3]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] 136; INTERLEAVE-2: vector.ph: 137; INTERLEAVE-2-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 32 138; INTERLEAVE-2-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 139; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i8> poison, i8 [[B:%.*]], i64 0 140; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT]], <16 x i8> poison, <16 x i32> zeroinitializer 141; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <16 x i8> poison, i8 [[A:%.*]], i64 0 142; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT6:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT5]], <16 x i8> poison, <16 x i32> zeroinitializer 143; INTERLEAVE-2-NEXT: br label [[VECTOR_BODY:%.*]] 144; INTERLEAVE-2: vector.body: 145; INTERLEAVE-2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 146; INTERLEAVE-2-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0 147; INTERLEAVE-2-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP1]] 148; INTERLEAVE-2-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 0 149; INTERLEAVE-2-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 16 150; INTERLEAVE-2-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP5]], align 1 151; INTERLEAVE-2-NEXT: [[WIDE_LOAD4:%.*]] = load <16 x i8>, ptr [[TMP6]], align 1 152; INTERLEAVE-2-NEXT: [[TMP7:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD]], [[BROADCAST_SPLAT]] 153; INTERLEAVE-2-NEXT: [[TMP8:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD4]], [[BROADCAST_SPLAT]] 154; INTERLEAVE-2-NEXT: [[TMP9:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD]], <16 x i8> [[BROADCAST_SPLAT6]]) 155; INTERLEAVE-2-NEXT: [[TMP10:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD4]], <16 x i8> [[BROADCAST_SPLAT6]]) 156; INTERLEAVE-2-NEXT: [[TMP11:%.*]] = select <16 x i1> [[TMP7]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP9]] 157; INTERLEAVE-2-NEXT: [[TMP12:%.*]] = select <16 x i1> [[TMP8]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP10]] 158; INTERLEAVE-2-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP1]] 159; INTERLEAVE-2-NEXT: [[TMP15:%.*]] = getelementptr inbounds i8, ptr [[TMP13]], i32 0 160; INTERLEAVE-2-NEXT: [[TMP16:%.*]] = getelementptr inbounds i8, ptr [[TMP13]], i32 16 161; INTERLEAVE-2-NEXT: store <16 x i8> [[TMP11]], ptr [[TMP15]], align 1 162; INTERLEAVE-2-NEXT: store <16 x i8> [[TMP12]], ptr [[TMP16]], align 1 163; INTERLEAVE-2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32 164; INTERLEAVE-2-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 165; INTERLEAVE-2-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 166; INTERLEAVE-2: middle.block: 167; INTERLEAVE-2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] 168; INTERLEAVE-2-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] 169; INTERLEAVE-2: vec.epilog.iter.check: 170; INTERLEAVE-2-NEXT: [[N_VEC_REMAINING:%.*]] = sub i64 [[N]], [[N_VEC]] 171; INTERLEAVE-2-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_VEC_REMAINING]], 8 172; INTERLEAVE-2-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] 173; INTERLEAVE-2: vec.epilog.ph: 174; INTERLEAVE-2-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] 175; INTERLEAVE-2-NEXT: [[N_MOD_VF7:%.*]] = urem i64 [[N]], 8 176; INTERLEAVE-2-NEXT: [[N_VEC8:%.*]] = sub i64 [[N]], [[N_MOD_VF7]] 177; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT12:%.*]] = insertelement <8 x i8> poison, i8 [[B]], i64 0 178; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT13:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT12]], <8 x i8> poison, <8 x i32> zeroinitializer 179; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <8 x i8> poison, i8 [[A]], i64 0 180; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT15:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT14]], <8 x i8> poison, <8 x i32> zeroinitializer 181; INTERLEAVE-2-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] 182; INTERLEAVE-2: vec.epilog.vector.body: 183; INTERLEAVE-2-NEXT: [[INDEX10:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT16:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] 184; INTERLEAVE-2-NEXT: [[TMP18:%.*]] = add i64 [[INDEX10]], 0 185; INTERLEAVE-2-NEXT: [[TMP19:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP18]] 186; INTERLEAVE-2-NEXT: [[TMP20:%.*]] = getelementptr inbounds i8, ptr [[TMP19]], i32 0 187; INTERLEAVE-2-NEXT: [[WIDE_LOAD11:%.*]] = load <8 x i8>, ptr [[TMP20]], align 1 188; INTERLEAVE-2-NEXT: [[TMP21:%.*]] = icmp sgt <8 x i8> [[WIDE_LOAD11]], [[BROADCAST_SPLAT13]] 189; INTERLEAVE-2-NEXT: [[TMP22:%.*]] = call <8 x i8> @llvm.smax.v8i8(<8 x i8> [[WIDE_LOAD11]], <8 x i8> [[BROADCAST_SPLAT15]]) 190; INTERLEAVE-2-NEXT: [[TMP23:%.*]] = select <8 x i1> [[TMP21]], <8 x i8> [[BROADCAST_SPLAT13]], <8 x i8> [[TMP22]] 191; INTERLEAVE-2-NEXT: [[TMP24:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP18]] 192; INTERLEAVE-2-NEXT: [[TMP25:%.*]] = getelementptr inbounds i8, ptr [[TMP24]], i32 0 193; INTERLEAVE-2-NEXT: store <8 x i8> [[TMP23]], ptr [[TMP25]], align 1 194; INTERLEAVE-2-NEXT: [[INDEX_NEXT16]] = add nuw i64 [[INDEX10]], 8 195; INTERLEAVE-2-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT16]], [[N_VEC8]] 196; INTERLEAVE-2-NEXT: br i1 [[TMP26]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 197; INTERLEAVE-2: vec.epilog.middle.block: 198; INTERLEAVE-2-NEXT: [[CMP_N9:%.*]] = icmp eq i64 [[N]], [[N_VEC8]] 199; INTERLEAVE-2-NEXT: br i1 [[CMP_N9]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]] 200; INTERLEAVE-2: vec.epilog.scalar.ph: 201; INTERLEAVE-2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC8]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ] 202; INTERLEAVE-2-NEXT: br label [[LOOP:%.*]] 203; INTERLEAVE-2: loop: 204; INTERLEAVE-2-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] 205; INTERLEAVE-2-NEXT: [[GEP_SRC:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[IV]] 206; INTERLEAVE-2-NEXT: [[L:%.*]] = load i8, ptr [[GEP_SRC]], align 1 207; INTERLEAVE-2-NEXT: [[CMP:%.*]] = icmp sgt i8 [[L]], [[B]] 208; INTERLEAVE-2-NEXT: [[MAX:%.*]] = tail call i8 @llvm.smax.i8(i8 [[L]], i8 [[A]]) 209; INTERLEAVE-2-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i8 [[B]], i8 [[MAX]] 210; INTERLEAVE-2-NEXT: [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]] 211; INTERLEAVE-2-NEXT: store i8 [[SEL]], ptr [[GEP_DST]], align 1 212; INTERLEAVE-2-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 213; INTERLEAVE-2-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]] 214; INTERLEAVE-2-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP4:![0-9]+]] 215; INTERLEAVE-2: exit: 216; INTERLEAVE-2-NEXT: ret void 217; 218; INTERLEAVE-4-VLA-LABEL: @interleave_single_load_store( 219; INTERLEAVE-4-VLA: call <vscale x 16 x i8> @llvm.smax.nxv16i8( 220; INTERLEAVE-4-VLA-NEXT: call <vscale x 16 x i8> @llvm.smax.nxv16i8( 221; INTERLEAVE-4-VLA-NEXT: call <vscale x 16 x i8> @llvm.smax.nxv16i8( 222; INTERLEAVE-4-VLA-NEXT: call <vscale x 16 x i8> @llvm.smax.nxv16i8( 223; 224entry: 225 br label %loop 226 227loop: 228 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop] 229 %gep.src = getelementptr inbounds i8, ptr %src, i64 %iv 230 %l = load i8, ptr %gep.src, align 1 231 %cmp = icmp sgt i8 %l, %b 232 %max = tail call i8 @llvm.smax.i8(i8 %l, i8 %a) 233 %sel = select i1 %cmp, i8 %b, i8 %max 234 %gep.dst = getelementptr inbounds i8, ptr %dst, i64 %iv 235 store i8 %sel, ptr %gep.dst, align 1 236 %iv.next = add nuw nsw i64 %iv, 1 237 %ec = icmp eq i64 %iv.next, %N 238 br i1 %ec, label %exit, label %loop 239 240exit: 241 ret void 242} 243 244declare i8 @llvm.smax.i8(i8, i8) 245