| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "^scalar.ph" --version 6 |
| ; RUN: opt %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -enable-interleaved-mem-accesses -S | FileCheck %s |
| ; RUN: opt %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -enable-interleaved-mem-accesses -force-target-supports-scalable-vectors=true -scalable-vectorization=preferred -S | FileCheck %s --check-prefix=SCALABLE |
| |
| define void @scalablevf(ptr %dst.start, i8 %a, i8 %b) { |
| ; CHECK-LABEL: define void @scalablevf( |
| ; CHECK-SAME: ptr [[DST_START:%.*]], i8 [[A:%.*]], i8 [[B:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: br label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i8> poison, i8 [[B]], i64 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT]], <4 x i8> poison, <4 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <4 x i8> poison, i8 [[A]], i64 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT1]], <4 x i8> poison, <4 x i32> zeroinitializer |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[DST_START]], i64 [[OFFSET_IDX]] |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, ptr [[NEXT_GEP]], align 1 |
| ; CHECK-NEXT: [[TMP0:%.*]] = mul nuw <4 x i8> [[WIDE_LOAD]], [[BROADCAST_SPLAT]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = udiv <4 x i8> [[TMP0]], splat (i8 -1) |
| ; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i8> [[BROADCAST_SPLAT2]], [[TMP1]] |
| ; CHECK-NEXT: store <4 x i8> [[TMP2]], ptr [[NEXT_GEP]], align 1 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 64 |
| ; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: br label %[[EXIT:.*]] |
| ; CHECK: [[EXIT]]: |
| ; CHECK-NEXT: ret void |
| ; |
| ; SCALABLE-LABEL: define void @scalablevf( |
| ; SCALABLE-SAME: ptr [[DST_START:%.*]], i8 [[A:%.*]], i8 [[B:%.*]]) { |
| ; SCALABLE-NEXT: [[ENTRY:.*:]] |
| ; SCALABLE-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() |
| ; SCALABLE-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 2 |
| ; SCALABLE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 64, [[TMP1]] |
| ; SCALABLE-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; SCALABLE: [[VECTOR_PH]]: |
| ; SCALABLE-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() |
| ; SCALABLE-NEXT: [[N_MOD_VF:%.*]] = urem i64 64, [[TMP2]] |
| ; SCALABLE-NEXT: [[N_VEC:%.*]] = sub i64 64, [[N_MOD_VF]] |
| ; SCALABLE-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 4 |
| ; SCALABLE-NEXT: [[TMP5:%.*]] = mul i64 [[N_VEC]], 4 |
| ; SCALABLE-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[DST_START]], i64 [[TMP5]] |
| ; SCALABLE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i8> poison, i8 [[B]], i64 0 |
| ; SCALABLE-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i8> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i8> poison, <vscale x 4 x i32> zeroinitializer |
| ; SCALABLE-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 4 x i8> poison, i8 [[A]], i64 0 |
| ; SCALABLE-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x i8> [[BROADCAST_SPLATINSERT1]], <vscale x 4 x i8> poison, <vscale x 4 x i32> zeroinitializer |
| ; SCALABLE-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; SCALABLE: [[VECTOR_BODY]]: |
| ; SCALABLE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; SCALABLE-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4 |
| ; SCALABLE-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[DST_START]], i64 [[OFFSET_IDX]] |
| ; SCALABLE-NEXT: [[TMP10:%.*]] = load <vscale x 4 x i8>, ptr [[NEXT_GEP]], align 1 |
| ; SCALABLE-NEXT: [[TMP20:%.*]] = mul nuw <vscale x 4 x i8> [[TMP10]], [[BROADCAST_SPLAT]] |
| ; SCALABLE-NEXT: [[TMP21:%.*]] = udiv <vscale x 4 x i8> [[TMP20]], splat (i8 -1) |
| ; SCALABLE-NEXT: [[TMP22:%.*]] = add <vscale x 4 x i8> [[BROADCAST_SPLAT2]], [[TMP21]] |
| ; SCALABLE-NEXT: store <vscale x 4 x i8> [[TMP22]], ptr [[NEXT_GEP]], align 1 |
| ; SCALABLE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP2]] |
| ; SCALABLE-NEXT: [[TMP23:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; SCALABLE-NEXT: br i1 [[TMP23]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; SCALABLE: [[MIDDLE_BLOCK]]: |
| ; SCALABLE-NEXT: [[CMP_N:%.*]] = icmp eq i64 64, [[N_VEC]] |
| ; SCALABLE-NEXT: br i1 [[CMP_N]], [[EXIT:label %.*]], label %[[SCALAR_PH]] |
| ; SCALABLE: [[SCALAR_PH]]: |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| %dst = phi ptr [ %dst.start, %entry ], [ %dst.next, %loop ] |
| %dst.next = getelementptr inbounds nuw i8, ptr %dst, i64 4 |
| %load.dst = load i8, ptr %dst, align 1 |
| %mul.dst.0 = mul nuw i8 %load.dst, %b |
| %udiv.0 = udiv i8 %mul.dst.0, 255 |
| %val.0 = add i8 %a, %udiv.0 |
| store i8 %val.0, ptr %dst, align 1 |
| %gep.dst.1 = getelementptr inbounds nuw i8, ptr %dst, i64 1 |
| %load.dst.1 = load i8, ptr %gep.dst.1, align 1 |
| %mul.dst.1 = mul nuw i8 %load.dst.1, %b |
| %udiv.1 = udiv i8 %mul.dst.1, 255 |
| %val.1 = add i8 %a, %udiv.1 |
| store i8 %val.1, ptr %gep.dst.1, align 1 |
| %gep.dst.2 = getelementptr inbounds nuw i8, ptr %dst, i64 2 |
| %load.dst.2 = load i8, ptr %gep.dst.2, align 1 |
| %mul.dst.2 = mul nuw i8 %load.dst.2, %b |
| %udiv.2 = udiv i8 %mul.dst.2, 255 |
| %val.2 = add i8 %a, %udiv.2 |
| store i8 %val.2, ptr %gep.dst.2, align 1 |
| %gep.dst.3 = getelementptr inbounds nuw i8, ptr %dst, i64 3 |
| %load.dst.3 = load i8, ptr %gep.dst.3, align 1 |
| %mul.dst.3 = mul nuw i8 %load.dst.3, %b |
| %udiv.3 = udiv i8 %mul.dst.3, 255 |
| %val.3 = add i8 %a, %udiv.3 |
| store i8 %val.3, ptr %gep.dst.3, align 1 |
| %iv.next = add i64 %iv, 4 |
| %exit.cond = icmp eq i64 %iv.next, 256 |
| br i1 %exit.cond, label %exit, label %loop |
| |
| exit: |
| ret void |
| } |
