path: root/mlir/test/Dialect/Linalg/data-layout-propagation.mlir

// RUN: mlir-opt %s -test-linalg-data-layout-propagation -split-input-file | FileCheck %s

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @dynamic_elem_pack(%arg0: tensor<?x?xf32>, %dest: tensor<?x?x8x2xf32>) -> tensor<?x?x8x2xf32>
{
  %c0 = arith.constant 0 : index
  %c1 = arith.constant 1 : index
  %0 = tensor.dim %arg0, %c0 : tensor<?x?xf32>
  %1 = tensor.dim %arg0, %c1 : tensor<?x?xf32>
  %2 = tensor.empty(%0, %1) : tensor<?x?xf32>
  %3 = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<?x?xf32>)
      outs(%2 : tensor<?x?xf32>) {
    ^bb0(%arg3: f32, %arg4: f32):
      %4 = arith.addf %arg3, %arg3 : f32
      linalg.yield %4 : f32
  } -> tensor<?x?xf32>
  %4 = linalg.pack %3
    inner_dims_pos = [0, 1]
    inner_tiles = [8, 2]
    into %dest : tensor<?x?xf32> -> tensor<?x?x8x2xf32>
  return %4 : tensor<?x?x8x2xf32>
}
// CHECK-DAG:  #[[$MAP0:.+]] = affine_map<()[s0] -> (s0 ceildiv 8)>
// CHECK-DAG:  #[[$MAP1:.+]] = affine_map<()[s0] -> (s0 ceildiv 2)>
// CHECK-DAG:  #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL:  func.func @dynamic_elem_pack
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[DEST:[a-zA-Z0-9]+]]
// CHECK-DAG:      %[[C0:.+]] = arith.constant 0 : index
// CHECK-DAG:      %[[C1:.+]] = arith.constant 1 : index
// CHECK-DAG:      %[[D0:.+]] = tensor.dim %[[ARG0]], %[[C0]]
// CHECK-DAG:      %[[D1:.+]] = tensor.dim %[[ARG0]], %[[C1]]
// CHECK-DAG:      %[[OUTER_D0:.+]] = affine.apply #[[$MAP0]]()[%[[D0]]]
// CHECK-DAG:      %[[OUTER_D1:.+]] = affine.apply #[[$MAP1]]()[%[[D1]]]
// CHECK:          %[[ARG0_EMPTY:.+]] = tensor.empty(%[[OUTER_D0]], %[[OUTER_D1]]) : tensor<?x?x8x2xf32>
// CHECK:          %[[PACK_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:       inner_dims_pos = [0, 1] inner_tiles = [8, 2]
// CHECK-SAME:       into %[[ARG0_EMPTY]]
// CHECK:          %[[ELEM:.+]] = linalg.generic
// CHECK-SAME:       indexing_maps = [#[[$MAP2]], #[[$MAP2]]]
// CHECK-SAME:       iterator_types = ["parallel", "parallel", "parallel", "parallel"]
// CHECK-SAME:       ins(%[[PACK_ARG0]]
// CHECK-SAME:       outs(%[[DEST]]
// CHECK:          return %[[ELEM]] : tensor<?x?x8x2xf32>

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @dynamic_elem_pack_padding_value(%arg0: tensor<?x?xf32>, %dest: tensor<?x?x8x2xf32>) -> tensor<?x?x8x2xf32>
{
  %c0 = arith.constant 0 : index
  %c1 = arith.constant 1 : index
  %cst = arith.constant 3.000000e+00 : f32
  %0 = tensor.dim %arg0, %c0 : tensor<?x?xf32>
  %1 = tensor.dim %arg0, %c1 : tensor<?x?xf32>
  %2 = tensor.empty(%0, %1) : tensor<?x?xf32>
  %3 = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<?x?xf32>)
      outs(%2 : tensor<?x?xf32>) {
    ^bb0(%arg3: f32, %arg4: f32):
      %4 = arith.addf %arg3, %arg3 : f32
      linalg.yield %4 : f32
  } -> tensor<?x?xf32>
  %4 = linalg.pack %3 padding_value(%cst : f32)
    inner_dims_pos = [0, 1]
    inner_tiles = [8, 2]
    into %dest : tensor<?x?xf32> -> tensor<?x?x8x2xf32>
  return %4 : tensor<?x?x8x2xf32>
}
// CHECK-LABEL:  func.func @dynamic_elem_pack_padding_value
// CHECK:          %[[GENERIC:.+]] = linalg.generic
// CHECK:          linalg.pack %[[GENERIC]]

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @elem_pack_transpose_inner_dims(%arg0: tensor<128x256xi32>, %dest: tensor<4x16x16x32xi32>) -> tensor<4x16x16x32xi32>{
  %init = tensor.empty() : tensor<128x256xi32>
  %elem = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<128x256xi32>)
      outs(%init : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg3 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %pack = linalg.pack %elem
    inner_dims_pos = [1, 0]
    inner_tiles = [16, 32]
    into %dest : tensor<128x256xi32> -> tensor<4x16x16x32xi32>
  return %pack : tensor<4x16x16x32xi32>
}
// CHECK-DAG:  #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL: func.func @elem_pack_transpose_inner_dims
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<4x16x16x32xi32>
// CHECK:         %[[PACK_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [1, 0] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[ELEM:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "parallel", "parallel"]
// CHECK-SAME:      ins(%[[PACK_ARG0]]
// CHECK-SAME:      outs(%[[DEST]]
// CHECK:         return %[[ELEM]] : tensor<4x16x16x32xi32>

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @elem_pack_transpose_outer_dims(%arg0: tensor<128x256xi32>, %dest: tensor<16x4x32x16xi32>) -> tensor<16x4x32x16xi32>{
  %init = tensor.empty() : tensor<128x256xi32>
  %elem = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<128x256xi32>)
      outs(%init : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg3 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %pack = linalg.pack %elem
    outer_dims_perm = [1, 0]
    inner_dims_pos = [0, 1]
    inner_tiles = [32, 16]
    into %dest : tensor<128x256xi32> -> tensor<16x4x32x16xi32>
  return %pack : tensor<16x4x32x16xi32>
}
// CHECK-DAG:  #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL: func.func @elem_pack_transpose_outer_dims
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<16x4x32x16xi32>
// CHECK:         %[[PACK_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [1, 0] inner_dims_pos = [0, 1] inner_tiles = [32, 16]
// CHECK-SAME:      into %[[ARG0_EMPTY]] : tensor<128x256xi32> -> tensor<16x4x32x16xi32>
// CHECK:         %[[ELEM:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP0]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "parallel", "parallel"]
// CHECK-SAME:      ins(%[[PACK_ARG0]]
// CHECK-SAME:      outs(%[[DEST]]
// CHECK:         return %[[ELEM]] : tensor<16x4x32x16xi32>

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @elem_pack_transpose_inner_and_outer_dims(%arg0: tensor<128x256xi32>, %dest: tensor<16x4x16x32xi32>) -> tensor<16x4x16x32xi32>{
  %init = tensor.empty() : tensor<128x256xi32>
  %elem = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<128x256xi32>)
      outs(%init : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg3 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %pack = linalg.pack %elem
    outer_dims_perm = [1, 0]
    inner_dims_pos = [1, 0]
    inner_tiles = [16, 32]
    into %dest : tensor<128x256xi32> -> tensor<16x4x16x32xi32>
  return %pack : tensor<16x4x16x32xi32>
}
// CHECK-DAG:  #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL: func.func @elem_pack_transpose_inner_and_outer_dims
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<16x4x16x32xi32>
// CHECK:         %[[PACK_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [1, 0] inner_dims_pos = [1, 0] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[ELEM:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP0]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "parallel", "parallel"]
// CHECK-SAME:      ins(%[[PACK_ARG0]]
// CHECK-SAME:      outs(%[[DEST]]
// CHECK:         return %[[ELEM]] : tensor<16x4x16x32xi32>

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
#map1 = affine_map<(d0, d1) -> (d0)>
#map2 = affine_map<(d0, d1) -> (d1)>
func.func @dynamic_broadcast_pack(%arg0: tensor<?xf32>, %arg1: tensor<?xf32>, %dest: tensor<?x?x8x2xf32>) -> tensor<?x?x8x2xf32>
{
  %c0 = arith.constant 0 : index
  %0 = tensor.dim %arg0, %c0 : tensor<?xf32>
  %1 = tensor.dim %arg1, %c0 : tensor<?xf32>
  %2 = tensor.empty(%0, %1) : tensor<?x?xf32>
  %3 = linalg.generic {indexing_maps = [#map1, #map2, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0, %arg1 : tensor<?xf32>, tensor<?xf32>)
      outs(%2 : tensor<?x?xf32>) {
    ^bb0(%arg3: f32, %arg4: f32, %arg5: f32):
      %4 = arith.addf %arg3, %arg4 : f32
      linalg.yield %4 : f32
  } -> tensor<?x?xf32>
  %4 = linalg.pack %3
    inner_dims_pos = [0, 1]
    inner_tiles = [8, 2]
    into %dest : tensor<?x?xf32> -> tensor<?x?x8x2xf32>
  return %4 : tensor<?x?x8x2xf32>
}
// CHECK-DAG:  #[[$MAP0:.+]] = affine_map<()[s0] -> (s0 ceildiv 8)>
// CHECK-DAG:  #[[$MAP1:.+]] = affine_map<()[s0] -> (s0 ceildiv 2)>
// CHECK-DAG:  #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d2)>
// CHECK-DAG:  #[[$MAP3:.+]] = affine_map<(d0, d1, d2, d3) -> (d1, d3)>
// CHECK-DAG:  #[[$MAP4:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL: func.func @dynamic_broadcast_pack
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[ARG1:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[DEST:[a-zA-Z0-9]+]]
// CHECK-DAG:     %[[C0:.+]] = arith.constant 0 : index
// CHECK-DAG:     %[[D0:.+]] = tensor.dim %[[ARG0]], %[[C0]]
// CHECK-DAG:     %[[OUTER_D0:.+]] = affine.apply #[[$MAP0]]()[%[[D0]]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty(%[[OUTER_D0]]) : tensor<?x8xf32>
// CHECK:         %[[PACK_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [8]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK-DAG:     %[[D1:.+]] = tensor.dim %[[ARG1]], %[[C0]]
// CHECK-DAG:     %[[OUTER_D1:.+]] = affine.apply #[[$MAP1]]()[%[[D1]]]
// CHECK:         %[[ARG1_EMPTY:.+]] = tensor.empty(%[[OUTER_D1]]) : tensor<?x2xf32>
// CHECK:         %[[PACK_ARG1:.+]] = linalg.pack %[[ARG1]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [2]
// CHECK-SAME:      into %[[ARG1_EMPTY]]
// CHECK:         %[[ELEM:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP2]], #[[$MAP3]], #[[$MAP4]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "parallel", "parallel"]
// CHECK-SAME:      ins(%[[PACK_ARG0]], %[[PACK_ARG0]]
// CHECK-SAME:      outs(%[[DEST]]
// CHECK:         return %[[ELEM]] : tensor<?x?x8x2xf32>

// -----

#map = affine_map<(d0, d1, d2, d3) -> (d3)>
#map1 = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
func.func @elem_pack_transpose_inner_and_outer_dims2(%arg0: tensor<64xf32>, %dest: tensor<1x2x56x57x32xf32>) -> tensor<1x2x56x57x32xf32> {
  %0 = tensor.empty() : tensor<1x56x57x64xf32>
  %1 = linalg.generic {
      indexing_maps = [#map, #map1],
      iterator_types = ["parallel", "parallel", "parallel", "parallel"]}
    ins(%arg0 : tensor<64xf32>)
    outs(%0 : tensor<1x56x57x64xf32>) {
    ^bb0(%in: f32, %out: f32):
      linalg.yield %in : f32
  } -> tensor<1x56x57x64xf32>
  %2 = linalg.pack %1 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %dest : tensor<1x56x57x64xf32> -> tensor<1x2x56x57x32xf32>
  return %2 : tensor<1x2x56x57x32xf32>
}
// CHECK-DAG: #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d1, d4)>
// CHECK-DAG: #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-LABEL: func.func @elem_pack_transpose_inner_and_outer_dims2
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<2x32xf32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [32]
// CHECK-SAME:    into %[[ARG0_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP1]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]]
// CHECK-SAME:      outs(%[[DEST]]

// -----

func.func @transpose_pack(%arg0: tensor<100x128x200x256xi32>, %arg1: tensor<100xi32>, %arg2: tensor<128xi32>, %dest: tensor<100x200x4x16x16x32xi32>) -> tensor<100x200x4x16x16x32xi32>
{
  %init_transpose = tensor.empty() : tensor<100x200x128x256xi32>
  %transpose = linalg.generic {
      indexing_maps = [affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>,
                       affine_map<(d0, d1, d2, d3) -> (d0)>,
                       affine_map<(d0, d1, d2, d3) -> (d1)>,
                       affine_map<(d0, d1, d2, d3) -> (d0, d2, d1, d3)>],
      iterator_types = ["parallel", "parallel", "parallel", "parallel"]}
      ins(%arg0, %arg1, %arg2 : tensor<100x128x200x256xi32>, tensor<100xi32>, tensor<128xi32>)
      outs(%init_transpose : tensor<100x200x128x256xi32>) {
    ^bb0(%b0 : i32, %b1 : i32, %b2 : i32, %b3 : i32):
      %0 = arith.addi %b0, %b1 : i32
      %1 = arith.addi %0, %b2 : i32
      linalg.yield %1 : i32
    } -> tensor<100x200x128x256xi32>
  %4 = linalg.pack %transpose
    inner_dims_pos = [3, 2]
    inner_tiles = [16, 32]
    into %dest : tensor<100x200x128x256xi32> -> tensor<100x200x4x16x16x32xi32>
  return %4 : tensor<100x200x4x16x16x32xi32>
}
// CHECK-DAG: #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d1, d2, d3, d4, d5)>
// CHECK-DAG: #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0)>
// CHECK-DAG: #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d1, d5)>
// CHECK-DAG: #[[$MAP3:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d2, d1, d3, d4, d5)>
// CHECK-LABEL: func.func @transpose_pack
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG2:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<100x4x200x16x16x32xi32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [3, 1] inner_tiles = [16, 32]
// CHECK-SAME:    into %[[ARG0_EMPTY]]
// CHECK:         %[[ARG2_EMPTY:.+]] = tensor.empty() : tensor<4x32xi32>
// CHECK:         %[[PACKED_ARG2:.+]] = linalg.pack %[[ARG2]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [32]
// CHECK-SAME:    into %[[ARG2_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP1]], #[[$MAP2]], #[[$MAP3]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]], %[[ARG1]], %[[PACKED_ARG2]]
// CHECK-SAME:      outs(%[[DEST]]

// -----

func.func @affine_constant_expr_pack(%arg0: tensor<100x128x200x256xi32>, %arg1: tensor<100x1x1x1xi32>, %arg2: tensor<1x128x1x1xi32>, %dest: tensor<100x200x4x16x16x32xi32>) -> tensor<100x200x4x16x16x32xi32>
{
  %init_transpose = tensor.empty() : tensor<100x200x128x256xi32>
  %transpose = linalg.generic {
      indexing_maps = [affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>,
                       affine_map<(d0, d1, d2, d3) -> (d0, 0, 0, 0)>,
                       affine_map<(d0, d1, d2, d3) -> (0, d1, 0, 0)>,
                       affine_map<(d0, d1, d2, d3) -> (d0, d2, d1, d3)>],
      iterator_types = ["parallel", "parallel", "parallel", "parallel"]}
      ins(%arg0, %arg1, %arg2 : tensor<100x128x200x256xi32>, tensor<100x1x1x1xi32>, tensor<1x128x1x1xi32>)
      outs(%init_transpose : tensor<100x200x128x256xi32>) {
    ^bb0(%b0 : i32, %b1 : i32, %b2 : i32, %b3 : i32):
      %0 = arith.addi %b0, %b1 : i32
      %1 = arith.addi %0, %b2 : i32
      linalg.yield %1 : i32
    } -> tensor<100x200x128x256xi32>
  %4 = linalg.pack %transpose
    inner_dims_pos = [3, 2]
    inner_tiles = [16, 32]
    into %dest : tensor<100x200x128x256xi32> -> tensor<100x200x4x16x16x32xi32>
  return %4 : tensor<100x200x4x16x16x32xi32>
}
// CHECK-DAG: #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d1, d2, d3, d4, d5)>
// CHECK-DAG: #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, 0, 0, 0)>
// CHECK-DAG: #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (0, d1, 0, 0, d5)>
// CHECK-DAG: #[[$MAP3:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d2, d1, d3, d4, d5)>
// CHECK-LABEL: func.func @affine_constant_expr_pack
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG2:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<100x4x200x16x16x32xi32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [3, 1] inner_tiles = [16, 32]
// CHECK-SAME:    into %[[ARG0_EMPTY]]
// CHECK:         %[[ARG2_EMPTY:.+]] = tensor.empty() : tensor<1x4x1x1x32xi32>
// CHECK:         %[[PACKED_ARG2:.+]] = linalg.pack %[[ARG2]]
// CHECK-SAME:      inner_dims_pos = [1] inner_tiles = [32]
// CHECK-SAME:    into %[[ARG2_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP1]], #[[$MAP2]], #[[$MAP3]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]], %[[ARG1]], %[[PACKED_ARG2]]
// CHECK-SAME:      outs(%[[DEST]]

// -----

func.func @transpose_pack_with_outer_dims(%arg0: tensor<100x128x200x256xi32>, %arg1: tensor<100xi32>, %arg2: tensor<128xi32>, %dest: tensor<200x4x16x100x16x32xi32>) -> tensor<200x4x16x100x16x32xi32>
{
  %init_transpose = tensor.empty() : tensor<100x200x128x256xi32>
  %transpose = linalg.generic {
      indexing_maps = [affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>,
                       affine_map<(d0, d1, d2, d3) -> (d0)>,
                       affine_map<(d0, d1, d2, d3) -> (d1)>,
                       affine_map<(d0, d1, d2, d3) -> (d0, d2, d1, d3)>],
      iterator_types = ["parallel", "parallel", "parallel", "parallel"]}
      ins(%arg0, %arg1, %arg2 : tensor<100x128x200x256xi32>, tensor<100xi32>, tensor<128xi32>)
      outs(%init_transpose : tensor<100x200x128x256xi32>) {
    ^bb0(%b0 : i32, %b1 : i32, %b2 : i32, %b3 : i32):
      %0 = arith.addi %b0, %b1 : i32
      %1 = arith.addi %0, %b2 : i32
      linalg.yield %1 : i32
    } -> tensor<100x200x128x256xi32>
  %4 = linalg.pack %transpose
    outer_dims_perm = [1, 2, 3, 0]
    inner_dims_pos = [3, 2]
    inner_tiles = [16, 32]
    into %dest : tensor<100x200x128x256xi32> -> tensor<200x4x16x100x16x32xi32>
  return %4 : tensor<200x4x16x100x16x32xi32>
}

// CHECK-DAG: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d1, d2, d3, d4, d5)>
// CHECK-DAG: #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d3)>
// CHECK-DAG: #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d1, d5)>
// CHECK-LABEL: func.func @transpose_pack_with_outer_dims
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG2:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[DEST:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<200x4x16x100x16x32xi32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [2, 1, 3, 0] inner_dims_pos = [3, 1] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[ARG2_EMPTY:.+]] = tensor.empty() : tensor<4x32xi32>
// CHECK:         %[[PACKED_ARG2:.+]] = linalg.pack %[[ARG2]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [32]
// CHECK-SAME:      into %[[ARG2_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP1]], #[[$MAP2]], #[[$MAP]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]], %[[ARG1]], %[[PACKED_ARG2]]
// CHECK-SAME:      outs(%[[DEST]]

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @elem_pack_transpose_outer_dims(%arg0: tensor<128x256xi32>, %init: tensor<128x256xi32>) -> tensor<16x4x32x16xi32>{
  %elem = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<128x256xi32>)
      outs(%init : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg4 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %empty = tensor.empty() : tensor<16x4x32x16xi32>
  %pack = linalg.pack %elem
    outer_dims_perm = [1, 0]
    inner_dims_pos = [0, 1]
    inner_tiles = [32, 16]
    into %empty : tensor<128x256xi32> -> tensor<16x4x32x16xi32>
  return %pack : tensor<16x4x32x16xi32>
}

// CHECK: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL: func.func @elem_pack_transpose_outer_dims
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG1_EMPTY:.+]] = tensor.empty() : tensor<16x4x32x16xi32>
// CHECK:         %[[PACKED_ARG1:.+]] = linalg.pack %[[ARG1]]
// CHECK-SAME:      outer_dims_perm = [1, 0] inner_dims_pos = [0, 1] inner_tiles = [32, 16]
// CHECK-SAME:      into %[[ARG1_EMPTY]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<16x4x32x16xi32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [1, 0] inner_dims_pos = [0, 1] inner_tiles = [32, 16]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]]
// CHECK-SAME:      outs(%[[PACKED_ARG1]]

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @elem_pack_transpose_outer_dims_unused_init(%arg0: tensor<128x256xi32>, %init: tensor<128x256xi32>) -> tensor<16x4x32x16xi32>{
  %elem = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<128x256xi32>)
      outs(%init : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg3 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %empty = tensor.empty() : tensor<16x4x32x16xi32>
  %pack = linalg.pack %elem
    outer_dims_perm = [1, 0]
    inner_dims_pos = [0, 1]
    inner_tiles = [32, 16]
    into %empty : tensor<128x256xi32> -> tensor<16x4x32x16xi32>
  return %pack : tensor<16x4x32x16xi32>
}

// CHECK: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
// CHECK-LABEL: func.func @elem_pack_transpose_outer_dims
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG1_EMPTY:.+]] = tensor.empty() : tensor<16x4x32x16xi32>
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<16x4x32x16xi32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [1, 0] inner_dims_pos = [0, 1] inner_tiles = [32, 16]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]]
// CHECK-SAME:      outs(%[[ARG1_EMPTY]]

// -----

#map = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>

func.func @unpack_on_output(%arg0: tensor<12x2x56x56x32xf32>) -> tensor<12x56x56x64xf32> {
  %0 = tensor.empty() : tensor<12x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<12x2x56x56x32xf32> -> tensor<12x56x56x64xf32>
  %2 = linalg.generic {indexing_maps = [#map], iterator_types = ["parallel", "parallel", "parallel", "parallel"]} outs(%1 : tensor<12x56x56x64xf32>) {
    ^bb0(%out: f32):
      %3 = arith.addf %out, %out : f32
      linalg.yield %3 : f32
  } -> tensor<12x56x56x64xf32>
  return %2 : tensor<12x56x56x64xf32>
}

// CHECK: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-LABEL: func.func @unpack_on_output
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG0_EMPTY_UNPACK:.+]] = tensor.empty() : tensor<12x56x56x64xf32>
// CHECK:         %[[UNPACKED_ARG0:.+]] = linalg.unpack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[ARG0_EMPTY_UNPACK]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]]]
// CHECK-SAME:      outs(%[[ARG0]]
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[RES]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[UNPACKED_ARG0]]

// -----

#map = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>

func.func @unpack_on_input(%arg0: tensor<12x2x56x56x32xf32>, %init: tensor<12x56x56x64xf32>) -> tensor<12x56x56x64xf32> {
  %0 = tensor.empty() : tensor<12x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<12x2x56x56x32xf32> -> tensor<12x56x56x64xf32>
  %2 = linalg.generic {indexing_maps = [#map, #map], iterator_types = ["parallel", "parallel", "parallel", "parallel"]} ins(%1: tensor<12x56x56x64xf32>) outs(%init : tensor<12x56x56x64xf32>) {
    ^bb0(%in: f32, %out: f32):
      %3 = arith.addf %in, %out : f32
      linalg.yield %3 : f32
  } -> tensor<12x56x56x64xf32>
  return %2 : tensor<12x56x56x64xf32>
}

// CHECK: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-LABEL: func.func @unpack_on_input
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG1_PACK_EMPTY:.+]] = tensor.empty() : tensor<12x2x56x56x32xf32>
// CHECK:         %[[ARG1_PACK:.+]] = linalg.pack %[[ARG1]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[ARG1_PACK_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP]]]
// CHECK-SAME:      ins(%[[ARG0]]
// CHECK-SAME:      outs(%[[ARG1_PACK]]
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[RES]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[ARG1]]

// -----

#map = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>

func.func @unpack_element_type_change_no_use(%arg0: tensor<12x2x56x56x32xf32>, %init: tensor<12x56x56x64xf16>) -> tensor<12x56x56x64xf16> {
  %0 = tensor.empty() : tensor<12x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<12x2x56x56x32xf32> -> tensor<12x56x56x64xf32>
  %2 = linalg.generic {indexing_maps = [#map, #map], iterator_types = ["parallel", "parallel", "parallel", "parallel"]} ins(%1: tensor<12x56x56x64xf32>) outs(%init : tensor<12x56x56x64xf16>) {
    ^bb0(%in: f32, %out: f16):
      %3 = arith.truncf %in : f32 to f16
      linalg.yield %3 : f16
  } -> tensor<12x56x56x64xf16>
  return %2 : tensor<12x56x56x64xf16>
}

// CHECK: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-LABEL: func.func @unpack_element_type_change_no_use
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<12x2x56x56x32xf16>
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP]]]
// CHECK-SAME:      ins(%[[ARG0]]
// CHECK-SAME:      outs(%[[EMPTY]]
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[RES]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[ARG1]]

// -----

#map = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>

func.func @forward_tensor_empty(%arg0: tensor<12x2x56x56x32xf32>) -> tensor<12x56x56x64xf32> {
  %init = tensor.empty() : tensor<12x56x56x64xf32>
  %0 = tensor.empty() : tensor<12x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<12x2x56x56x32xf32> -> tensor<12x56x56x64xf32>
  %2 = linalg.generic {indexing_maps = [#map, #map], iterator_types = ["parallel", "parallel", "parallel", "parallel"]} ins(%1: tensor<12x56x56x64xf32>) outs(%init : tensor<12x56x56x64xf32>) {
    ^bb0(%in: f32, %out: f32):
      %3 = arith.addf %in, %in : f32
      linalg.yield %3 : f32
  } -> tensor<12x56x56x64xf32>
  return %2 : tensor<12x56x56x64xf32>
}

// CHECK: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-LABEL: func.func @forward_tensor_empty
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[FINAL_RES:.+]] = tensor.empty() : tensor<12x56x56x64xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<12x2x56x56x32xf32>
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP]]]
// CHECK-SAME:      ins(%[[ARG0]]
// CHECK-SAME:      outs(%[[EMPTY]]
// CHECK:         %[[UNPACKED:.+]] = linalg.unpack %[[RES]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[FINAL_RES]]

// -----

func.func @pad_valid_unpack_propagation(%arg0: tensor<1x2x56x56x32xf32>) -> tensor<1x58x58x64xf32> {
  %cst = arith.constant 0.000000e+00 : f32
  %0 = tensor.empty() : tensor<1x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<1x2x56x56x32xf32> -> tensor<1x56x56x64xf32>
  %padded = tensor.pad %1 low[0, 1, 1, 0] high[0, 1, 1, 0] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x56x56x64xf32> to tensor<1x58x58x64xf32>
  return %padded : tensor<1x58x58x64xf32>
}

// CHECK-LABEL: func.func @pad_valid_unpack_propagation(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<1x2x56x56x32xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[ARG0]] low[0, 0, 1, 1, 0] high[0, 0, 1, 1, 0]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x58x58x64xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[PADDED]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<1x2x58x58x32xf32> -> tensor<1x58x58x64xf32>

// -----

func.func @pad_valid_unpack_propagation(%arg0: tensor<1x2x56x56x32xf32>) -> tensor<2x58x58x64xf32> {
  %cst = arith.constant 0.000000e+00 : f32
  %0 = tensor.empty() : tensor<1x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<1x2x56x56x32xf32> -> tensor<1x56x56x64xf32>
  %padded = tensor.pad %1 low[1, 1, 1, 0] high[0, 1, 1, 0] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x56x56x64xf32> to tensor<2x58x58x64xf32>
  return %padded : tensor<2x58x58x64xf32>
}

// CHECK-LABEL: func.func @pad_valid_unpack_propagation(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<1x2x56x56x32xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[ARG0]] low[1, 0, 1, 1, 0] high[0, 0, 1, 1, 0]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<2x58x58x64xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[PADDED]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<2x2x58x58x32xf32> -> tensor<2x58x58x64xf32>

// -----

func.func @pad_along_unpacked_dim(%arg0: tensor<1x2x56x56x32xf32>) -> tensor<1x58x58x66xf32> {
  %cst = arith.constant 0.000000e+00 : f32
  %0 = tensor.empty() : tensor<1x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %0 : tensor<1x2x56x56x32xf32> -> tensor<1x56x56x64xf32>
  %padded = tensor.pad %1 low[0, 1, 1, 1] high[0, 1, 1, 1] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x56x56x64xf32> to tensor<1x58x58x66xf32>
  return %padded : tensor<1x58x58x66xf32>
}

// CHECK-LABEL: func.func @pad_along_unpacked_dim(
// CHECK:         %[[ARG0:.+]]: tensor<1x2x56x56x32xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x56x56x64xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<1x2x56x56x32xf32> -> tensor<1x56x56x64xf32>
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[UNPACK]] low[0, 1, 1, 1] high[0, 1, 1, 1]

// -----

func.func @pad_valid_pack_propagation(%arg0: tensor<1x64x56x56xf32>) -> tensor<1x2x58x58x32xf32> {
  %cst = arith.constant 0.000000e+00 : f32
  %padded = tensor.pad %arg0 low[0, 0, 1, 1] high[0, 0, 1, 1] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x64x56x56xf32> to tensor<1x64x58x58xf32>
  %0 = tensor.empty() : tensor<1x2x58x58x32xf32>
  %1 = linalg.pack %padded inner_dims_pos = [1] inner_tiles = [32] into %0 : tensor<1x64x58x58xf32> -> tensor<1x2x58x58x32xf32>
  return %1 : tensor<1x2x58x58x32xf32>
}

// CHECK-LABEL: func.func @pad_valid_pack_propagation(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<1x64x56x56xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x2x56x56x32xf32>
// CHECK:         %[[PACKED:.+]] = linalg.pack %[[ARG0]] inner_dims_pos = [1] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<1x64x56x56xf32> -> tensor<1x2x56x56x32xf32>
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[PACKED]] low[0, 0, 1, 1, 0] high[0, 0, 1, 1, 0]
// CHECK:         return %[[PADDED]]

// -----

func.func @pad_valid_outer_dims_pack_propagation(%arg0: tensor<1x64x56x56xf32>) -> tensor<1x58x58x2x32xf32> {
  %cst = arith.constant 0.000000e+00 : f32
  %padded = tensor.pad %arg0 low[0, 0, 1, 1] high[0, 0, 1, 1] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x64x56x56xf32> to tensor<1x64x58x58xf32>
  %0 = tensor.empty() : tensor<1x58x58x2x32xf32>
  %1 = linalg.pack %padded outer_dims_perm = [0, 3, 2, 1] inner_dims_pos = [1] inner_tiles = [32] into %0 : tensor<1x64x58x58xf32> -> tensor<1x58x58x2x32xf32>
  return %1 : tensor<1x58x58x2x32xf32>
}

// CHECK-LABEL: func.func @pad_valid_outer_dims_pack_propagation(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<1x64x56x56xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x56x56x2x32xf32>
// CHECK:         %[[PACKED:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 2, 1] inner_dims_pos = [1] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<1x64x56x56xf32> -> tensor<1x56x56x2x32xf32>
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[PACKED]] low[0, 1, 1, 0, 0] high[0, 1, 1, 0, 0]
// CHECK:         return %[[PADDED]]

// -----

func.func @pad_along_packed_dim(%arg0: tensor<1x60x56x56xf32>) -> tensor<1x2x58x58x32xf32> {
  %cst = arith.constant 0.000000e+00 : f32
  %padded = tensor.pad %arg0 low[0, 2, 1, 1] high[0, 2, 1, 1] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x60x56x56xf32> to tensor<1x64x58x58xf32>
  %0 = tensor.empty() : tensor<1x2x58x58x32xf32>
  %1 = linalg.pack %padded inner_dims_pos = [1] inner_tiles = [32] into %0 : tensor<1x64x58x58xf32> -> tensor<1x2x58x58x32xf32>
  return %1 : tensor<1x2x58x58x32xf32>
}

// CHECK-LABEL: func.func @pad_along_packed_dim(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<1x60x56x56xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[ARG0]] low[0, 2, 1, 1] high[0, 2, 1, 1]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x2x58x58x32xf32>
// CHECK:         linalg.pack %[[PADDED]] inner_dims_pos = [1] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<1x64x58x58xf32> -> tensor<1x2x58x58x32xf32>

// -----

func.func @multi_use_pad_pack_propagation(%arg0: tensor<1x64x56x56xf32>) -> (tensor<1x64x58x58xf32>, tensor<1x2x58x58x32xf32>) {
  %cst = arith.constant 0.000000e+00 : f32
  %padded = tensor.pad %arg0 low[0, 0, 1, 1] high[0, 0, 1, 1] {
    ^bb0(%arg3: index, %arg4: index, %arg5: index, %arg6: index):
    tensor.yield %cst : f32
  } : tensor<1x64x56x56xf32> to tensor<1x64x58x58xf32>
  %0 = tensor.empty() : tensor<1x2x58x58x32xf32>
  %1 = linalg.pack %padded inner_dims_pos = [1] inner_tiles = [32] into %0 : tensor<1x64x58x58xf32> -> tensor<1x2x58x58x32xf32>
  return %padded, %1 : tensor<1x64x58x58xf32>, tensor<1x2x58x58x32xf32>
}

// CHECK-LABEL: func.func @multi_use_pad_pack_propagation(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<1x64x56x56xf32>)
// CHECK:         %[[CST:.+]] = arith.constant 0.000000e+00 : f32
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x2x56x56x32xf32>
// CHECK:         %[[PACKED:.+]] = linalg.pack %[[ARG0]] inner_dims_pos = [1] inner_tiles = [32]
// CHECK-SAME:      into %[[EMPTY]] : tensor<1x64x56x56xf32> -> tensor<1x2x56x56x32xf32>
// CHECK:         %[[PADDED:.+]] = tensor.pad %[[PACKED]] low[0, 0, 1, 1, 0] high[0, 0, 1, 1, 0]
// CHECK:         %[[UNPACKED:.+]] = linalg.unpack %[[PADDED]] inner_dims_pos = [1] inner_tiles = [32]
// CHECK:         return %[[UNPACKED]], %[[PADDED]]

// -----

#map0 = affine_map<(d0, d1) -> (d0, d1)>
func.func @would_break_dominance(%arg0: tensor<128x256xi32>) -> tensor<4x16x16x32xi32>{
  %init = tensor.empty() : tensor<128x256xi32>
  %elem = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel", "parallel"]}
      ins(%arg0 : tensor<128x256xi32>)
      outs(%init : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg3 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %dest = bufferization.alloc_tensor() : tensor<4x16x16x32xi32>
  %pack = linalg.pack %elem
    inner_dims_pos = [1, 0]
    inner_tiles = [16, 32]
    into %dest : tensor<128x256xi32> -> tensor<4x16x16x32xi32>
  return %pack : tensor<4x16x16x32xi32>
}

// CHECK-LABEL: func.func @would_break_dominance(
// CHECK-SAME:     %[[ARG0:.+]]: tensor<128x256xi32>)
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<128x256xi32>
// CHECK-NEXT:    %[[GEN:.+]] = linalg.generic
// CHECK-SAME:      ins(%[[ARG0]]
// CHECK-SAME:      outs(%[[EMPTY]]
// CHECK:         %[[ALLOC:.+]] = bufferization.alloc_tensor() : tensor<4x16x16x32xi32>
// CHECK-NEXT:    %{{.+}} = linalg.pack %[[GEN]]
// CHECK-SAME:      inner_dims_pos = [1, 0] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ALLOC]]

// -----

#map0 = affine_map<(d0, d1, d2, d3) -> ()>
#map1 = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>

func.func @scalar_tensor(%arg0 : tensor<f32>) -> tensor<1x32x7x7x32xf32> {
  %empty_gen = tensor.empty() : tensor<1x7x7x1024xf32>
  %gen = linalg.generic {indexing_maps = [#map0, #map1], iterator_types = ["parallel", "parallel", "parallel", "parallel"]} ins(%arg0 : tensor<f32>) outs(%empty_gen : tensor<1x7x7x1024xf32>) {
  ^bb0(%in: f32, %out: f32):
    linalg.yield %in : f32
  } -> tensor<1x7x7x1024xf32>
  %empty_pack = tensor.empty() : tensor<1x32x7x7x32xf32>
  %pack = linalg.pack %gen outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3] inner_tiles = [32] into %empty_pack : tensor<1x7x7x1024xf32> -> tensor<1x32x7x7x32xf32>
  return %pack : tensor<1x32x7x7x32xf32>
}

// CHECK-DAG: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4) -> ()>
// CHECK-DAG: #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-LABEL: func.func @scalar_tensor
// CHECK-SAME:     %[[ARG0:.+]]: tensor<f32>)
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x32x7x7x32xf32>
// CHECK:         linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP1]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "parallel", "parallel", "parallel"]
// CHECK-SAME:      ins(%[[ARG0]]
// CHECK-SAME:      outs(%[[EMPTY]]

// -----

#map = affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>
func.func @unpack_empty_inner_dims(%arg0: tensor<12x64x56x56xf32>) -> tensor<12x56x56x64xf32> {
  %init = tensor.empty() : tensor<12x56x56x64xf32>
  %0 = tensor.empty() : tensor<12x56x56x64xf32>
  %1 = linalg.unpack %arg0 outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [] inner_tiles = [] into %0 : tensor<12x64x56x56xf32> -> tensor<12x56x56x64xf32>
  %2 = linalg.generic {indexing_maps = [#map, #map], iterator_types = ["parallel", "parallel", "parallel", "parallel"]} ins(%1: tensor<12x56x56x64xf32>) outs(%init : tensor<12x56x56x64xf32>) {
    ^bb0(%in: f32, %out: f32):
      %3 = arith.addf %in, %in : f32
      linalg.yield %3 : f32
  } -> tensor<12x56x56x64xf32>
  return %2 : tensor<12x56x56x64xf32>
}

// CHECK-LABEL: func.func @unpack_empty_inner_dims
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]: tensor<12x64x56x56xf32>)
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      ins(%[[ARG0]]
// CHECK:         %[[UNPACKED:.+]] = linalg.unpack %[[RES]]
// CHECK-SAME:      outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [] inner_tiles = []

// -----

#map0 = affine_map<(d0, d1, d2) -> (d0, d1, d2)>
#map1 = affine_map<(d0, d1, d2) -> (d0, d1)>
func.func @reduction_pack_transpose_inner_dims(%arg0: tensor<128x256x32xi32>,
      %arg1: tensor<128x256xi32>) -> tensor<4x16x16x32xi32>{
  %elem = linalg.generic {indexing_maps = [#map0, #map1], iterator_types = ["parallel", "parallel", "reduction"]}
      ins(%arg0 : tensor<128x256x32xi32>)
      outs(%arg1 : tensor<128x256xi32>) {
    ^bb0(%arg3: i32, %arg4: i32):
      %4 = arith.addi %arg3, %arg4 : i32
      linalg.yield %4 : i32
  } -> tensor<128x256xi32>
  %dest = tensor.empty() : tensor<4x16x16x32xi32>
  %pack = linalg.pack %elem
    inner_dims_pos = [1, 0]
    inner_tiles = [16, 32]
    into %dest : tensor<128x256xi32> -> tensor<4x16x16x32xi32>
  return %pack : tensor<4x16x16x32xi32>
}
// CHECK-DAG:  #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d2, d3, d4)>
// CHECK-DAG:  #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4) -> (d0, d1, d3, d4)>
// CHECK-LABEL: func.func @reduction_pack_transpose_inner_dims
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG1_EMPTY:.+]] = tensor.empty() : tensor<4x16x16x32xi32>
// CHECK:         %[[PACK_ARG1:.+]] = linalg.pack %[[ARG1]]
// CHECK-SAME:     inner_dims_pos = [1, 0] inner_tiles = [16, 32]
// CHECK-SAME:     into %[[ARG1_EMPTY]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<4x16x32x16x32xi32>
// CHECK:         %[[PACK_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [1, 0] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[RED:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP1]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "reduction", "parallel", "parallel"]
// CHECK-SAME:      ins(%[[PACK_ARG0]]
// CHECK-SAME:      outs(%[[PACK_ARG1]]
// CHECK:         return %[[RED]] : tensor<4x16x16x32xi32>

// -----

func.func @reduction_pack_with_outer_dims(%arg0: tensor<100x128x200x256xi32>, %arg1: tensor<100xi32>,
  %arg2: tensor<128xi32>, %init_reduction: tensor<100x128x256xi32>) -> tensor<4x16x100x16x32xi32>
{
  %reduction = linalg.generic {
      indexing_maps = [affine_map<(d0, d1, d2, d3) -> (d0, d1, d2, d3)>,
                       affine_map<(d0, d1, d2, d3) -> (d0)>,
                       affine_map<(d0, d1, d2, d3) -> (d1)>,
                       affine_map<(d0, d1, d2, d3) -> (d0, d1, d3)>],
      iterator_types = ["parallel", "parallel", "reduction", "parallel"]}
      ins(%arg0, %arg1, %arg2 : tensor<100x128x200x256xi32>, tensor<100xi32>, tensor<128xi32>)
      outs(%init_reduction : tensor<100x128x256xi32>) {
    ^bb0(%b0 : i32, %b1 : i32, %b2 : i32, %b3 : i32):
      %0 = arith.addi %b0, %b1 : i32
      %1 = arith.addi %0, %b2 : i32
      %2 = arith.addi %1, %b3 : i32
      linalg.yield %2 : i32
    } -> tensor<100x128x256xi32>
  %init_pack = tensor.empty() : tensor<4x16x100x16x32xi32>
  %4 = linalg.pack %reduction
    outer_dims_perm = [1, 2, 0]
    inner_dims_pos = [2, 1]
    inner_tiles = [16, 32]
    into %init_pack : tensor<100x128x256xi32> -> tensor<4x16x100x16x32xi32>
  return %4 : tensor<4x16x100x16x32xi32>
}

// CHECK-DAG: #[[$MAP:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d1, d2, d3, d4, d5)>
// CHECK-DAG: #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d3)>
// CHECK-DAG: #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d5)>
// CHECK-DAG: #[[$MAP3:.+]] = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d1, d3, d4, d5)>
// CHECK-LABEL: func.func @reduction_pack_with_outer_dims
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG2:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG3:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG3_EMPTY:.+]] = tensor.empty() : tensor<4x16x100x16x32xi32>
// CHECK:         %[[PACKED_ARG3:.+]] = linalg.pack %[[ARG3]]
// CHECK-SAME:      outer_dims_perm = [1, 2, 0] inner_dims_pos = [2, 1] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ARG3_EMPTY]]
// CHECK:         %[[ARG0_EMPTY:.+]] = tensor.empty() : tensor<4x16x200x100x16x32xi32>
// CHECK:         %[[PACKED_ARG0:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      outer_dims_perm = [1, 3, 2, 0] inner_dims_pos = [3, 1] inner_tiles = [16, 32]
// CHECK-SAME:      into %[[ARG0_EMPTY]]
// CHECK:         %[[ARG2_EMPTY:.+]] = tensor.empty() : tensor<4x32xi32>
// CHECK:         %[[PACKED_ARG2:.+]] = linalg.pack %[[ARG2]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [32]
// CHECK-SAME:      into %[[ARG2_EMPTY]]
// CHECK:         %[[RES:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP]], #[[$MAP1]], #[[$MAP2]], #[[$MAP3]]]
// CHECK-SAME:      ins(%[[PACKED_ARG0]], %[[ARG1]], %[[PACKED_ARG2]]
// CHECK-SAME:      outs(%[[PACKED_ARG3]]

// -----

#map0 = affine_map<(d0, d1, d2, d3, d4, d5) -> (d0, d1, d2 * 2 + d4, d3 * 2 + d5)>
#map1 = affine_map<(d0, d1, d2, d3, d4, d5) -> (d4, d5)>
#map2 = affine_map<(d0, d1, d2, d3, d4, d5) -> (d1, d2, d3)>
func.func @unpack_different_destination_shape(%arg0: tensor<1x1x1080x1920x16xi32>,
    %filter: tensor<2x2xi32>) -> tensor<16x540x960xi32>{
  %init = tensor.empty() : tensor<16x540x960xi32>
  %empty = tensor.empty() : tensor<1x16x1080x1920xi32>
  %unpack = linalg.unpack %arg0
      inner_dims_pos = [1]
      inner_tiles = [16]
      into %empty : tensor<1x1x1080x1920x16xi32> -> tensor<1x16x1080x1920xi32>
  %pool = linalg.generic {indexing_maps = [#map0, #map1, #map2], iterator_types = ["parallel", "parallel", "parallel", "parallel", "reduction", "reduction"]}
      ins(%unpack, %filter : tensor<1x16x1080x1920xi32>, tensor<2x2xi32>)
      outs(%init : tensor<16x540x960xi32>) {
    ^bb0(%in: i32, %in_1: i32, %out: i32):
      %max = arith.maxui %in, %in_1 : i32
      linalg.yield %max : i32
  } -> tensor<16x540x960xi32>
  return %pool : tensor<16x540x960xi32>
}
// CHECK-DAG:  #[[$MAP0:.+]] = affine_map<(d0, d1, d2, d3, d4, d5, d6) -> (d0, d1, d2 * 2 + d4, d3 * 2 + d5, d6)>
// CHECK-DAG:  #[[$MAP1:.+]] = affine_map<(d0, d1, d2, d3, d4, d5, d6) -> (d4, d5)>
// CHECK-DAG:  #[[$MAP2:.+]] = affine_map<(d0, d1, d2, d3, d4, d5, d6) -> (d1, d2, d3, d6)>
// CHECK-LABEL: func.func @unpack_different_destination_shape
// CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[FINAL_RES:.+]] = tensor.empty() : tensor<16x540x960xi32>
// CHECK:         %[[INIT:.+]] = tensor.empty() : tensor<1x540x960x16xi32>
// CHECK:         %[[POOL:.+]] = linalg.generic
// CHECK-SAME:      indexing_maps = [#[[$MAP0]], #[[$MAP1]], #[[$MAP2]]]
// CHECK-SAME:      iterator_types = ["parallel", "parallel", "parallel", "parallel", "reduction", "reduction", "parallel"]
// CHECK-SAME:      ins(%[[ARG0]], %[[ARG1]]
// CHECK-SAME:      outs(%[[INIT]]
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[POOL]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [16]
// CHECK-SAME:      into %[[FINAL_RES]]
// CHECK:         return %[[UNPACK]] : tensor<16x540x960xi32>

// -----

func.func @bubble_up_pack_through_collapse(%1: tensor<?x16x4xf32>, %dim : index) -> tensor<?x4x8x1xf32> {
  %collapsed = tensor.collapse_shape %1 [[0, 1], [2]] : tensor<?x16x4xf32> into tensor<?x4xf32>
  %2 = tensor.empty(%dim) : tensor<?x4x8x1xf32>
  %pack = linalg.pack %collapsed outer_dims_perm = [0, 1] inner_dims_pos = [0, 1] inner_tiles = [8, 1] into %2 : tensor<?x4xf32> -> tensor<?x4x8x1xf32>
  func.return %pack : tensor<?x4x8x1xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_through_collapse
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:      %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x16x4xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM]]) : tensor<?x2x4x8x1xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]] outer_dims_perm = [0, 1, 2] inner_dims_pos = [1, 2] inner_tiles = [8, 1] into %[[EMPTY]] : tensor<?x16x4xf32> -> tensor<?x2x4x8x1xf32>
// CHECK:         %[[COLLAPSED:.+]] = tensor.collapse_shape %[[PACK]] {{\[}}[0, 1], [2], [3], [4]] : tensor<?x2x4x8x1xf32> into tensor<?x4x8x1xf32>
// CHECK:         return %[[COLLAPSED]] : tensor<?x4x8x1xf32>

// -----

func.func @bubble_up_pack_through_collapse_empty_outer_dims_perm(%1: tensor<?x16x4xf32>, %dim : index) -> tensor<?x4x8x1xf32> {
  %collapsed = tensor.collapse_shape %1 [[0, 1], [2]] : tensor<?x16x4xf32> into tensor<?x4xf32>
  %2 = tensor.empty(%dim) : tensor<?x4x8x1xf32>
  %pack = linalg.pack %collapsed inner_dims_pos = [0, 1] inner_tiles = [8, 1] into %2 : tensor<?x4xf32> -> tensor<?x4x8x1xf32>
  func.return %pack : tensor<?x4x8x1xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_through_collapse_empty_outer_dims_perm
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:      %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x16x4xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM]]) : tensor<?x2x4x8x1xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]] inner_dims_pos = [1, 2] inner_tiles = [8, 1] into %[[EMPTY]] : tensor<?x16x4xf32> -> tensor<?x2x4x8x1xf32>
// CHECK:         %[[COLLAPSED:.+]] = tensor.collapse_shape %[[PACK]] {{\[}}[0, 1], [2], [3], [4]] : tensor<?x2x4x8x1xf32> into tensor<?x4x8x1xf32>
// CHECK:         return %[[COLLAPSED]] : tensor<?x4x8x1xf32>

// -----

func.func @bubble_up_permuted_pack_through_collapse(%1: tensor<4x192x16x256xf32>) -> tensor<4x32x3072x8x1xf32> {
  %collapsed = tensor.collapse_shape %1 [[0], [1, 2], [3]] : tensor<4x192x16x256xf32> into tensor<4x3072x256xf32>
  %2 = tensor.empty() : tensor<4x32x3072x8x1xf32>
  %pack = linalg.pack %collapsed outer_dims_perm = [0, 2, 1] inner_dims_pos = [2, 1] inner_tiles = [8, 1] into %2 : tensor<4x3072x256xf32> -> tensor<4x32x3072x8x1xf32>
  func.return %pack : tensor<4x32x3072x8x1xf32>
}
// CHECK-LABEL: func.func @bubble_up_permuted_pack_through_collapse
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<4x32x192x16x8x1xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]] outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3, 2] inner_tiles = [8, 1] into %[[EMPTY]] : tensor<4x192x16x256xf32> -> tensor<4x32x192x16x8x1xf32>
// CHECK:         %[[COLLAPSED:.+]] = tensor.collapse_shape %pack {{\[}}[0], [1], [2, 3], [4], [5]] : tensor<4x32x192x16x8x1xf32> into tensor<4x32x3072x8x1xf32>
// CHECK:         return %[[COLLAPSED]] : tensor<4x32x3072x8x1xf32>

// -----

func.func @bubble_up_pack_through_unit_collapse(%1: tensor<1x64x1x4xf32>) -> tensor<8x4x8x1xf32> {
  %collapsed = tensor.collapse_shape %1 [[0, 1, 2], [3]] : tensor<1x64x1x4xf32> into tensor<64x4xf32>
  %2 = tensor.empty() : tensor<8x4x8x1xf32>
  %pack = linalg.pack %collapsed outer_dims_perm = [0, 1] inner_dims_pos = [0, 1] inner_tiles = [8, 1] into %2 : tensor<64x4xf32> -> tensor<8x4x8x1xf32>
  func.return %pack : tensor<8x4x8x1xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_through_unit_collapse
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<1x8x1x4x8x1xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]] outer_dims_perm = [0, 1, 2, 3] inner_dims_pos = [1, 3] inner_tiles = [8, 1] into %[[EMPTY]] : tensor<1x64x1x4xf32> -> tensor<1x8x1x4x8x1xf32>
// CHECK:         %[[COLLAPSED:.+]] = tensor.collapse_shape %[[PACK]] {{\[}}[0, 1, 2], [3], [4], [5]] : tensor<1x8x1x4x8x1xf32> into tensor<8x4x8x1xf32>
// CHECK:         return %[[COLLAPSED]] : tensor<8x4x8x1xf32>

// -----

func.func @bubble_up_pack_through_collapse_on_outer_dims(%1: tensor<?x16x4xf32>, %dim : index) -> tensor<?x1x4xf32> {
  %collapsed = tensor.collapse_shape %1 [[0, 1], [2]] : tensor<?x16x4xf32> into tensor<?x4xf32>
  %2 = tensor.empty(%dim) : tensor<?x1x4xf32>
  %pack = linalg.pack %collapsed outer_dims_perm = [0, 1] inner_dims_pos = [1] inner_tiles = [4] into %2 : tensor<?x4xf32> -> tensor<?x1x4xf32>
  func.return %pack : tensor<?x1x4xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_through_collapse_on_outer_dims
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:      %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x16x4xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM]]) : tensor<?x16x1x4xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]] outer_dims_perm = [0, 1, 2] inner_dims_pos = [2] inner_tiles = [4] into %[[EMPTY]] : tensor<?x16x4xf32> -> tensor<?x16x1x4xf32>
// CHECK:         %[[COLLAPSED:.+]] = tensor.collapse_shape %[[PACK]] {{\[}}[0, 1], [2], [3]] : tensor<?x16x1x4xf32> into tensor<?x1x4xf32>
// CHECK:         return %[[COLLAPSED]] : tensor<?x1x4xf32>

// -----

func.func @no_bubble_up_pack_through_non_divisible_collapse(%1: tensor<3072x64x4xf32>) -> tensor<384x32x8x8xf32> {
  %collapsed = tensor.collapse_shape %1 [[0], [1, 2]] : tensor<3072x64x4xf32> into tensor<3072x256xf32>
  %2 = tensor.empty() : tensor<384x32x8x8xf32>
  %pack = linalg.pack %collapsed outer_dims_perm = [0, 1] inner_dims_pos = [0, 1] inner_tiles = [8, 8] into %2 : tensor<3072x256xf32> -> tensor<384x32x8x8xf32>
  func.return %pack : tensor<384x32x8x8xf32>
}
// CHECK-LABEL: func.func @no_bubble_up_pack_through_non_divisible_collapse
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[COLLAPSED:.+]] = tensor.collapse_shape %[[ARG0]] {{\[}}[0], [1, 2]] : tensor<3072x64x4xf32> into tensor<3072x256xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[COLLAPSED]]
// CHECK:         return %[[PACK]] : tensor<384x32x8x8xf32>

// -----

func.func @bubble_up_pack_outer_expanded_through_expand(%arg0: tensor<32x64xf32>) -> tensor<4x2x64x4xf32> {
  %empty = tensor.empty() : tensor<4x2x64x4xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [1] inner_tiles = [4] into %empty : tensor<4x8x64xf32> -> tensor<4x2x64x4xf32>
  return %pack : tensor<4x2x64x4xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_outer_expanded_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x64x4xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [4] into %[[EMPTY]] : tensor<32x64xf32> -> tensor<8x64x4xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0, 1], [2], [3]]
// CHECK-SAME:      output_shape [4, 2, 64, 4] : tensor<8x64x4xf32> into tensor<4x2x64x4xf32>
// CHECK:         return %[[EXPANDED]] : tensor<4x2x64x4xf32>

// -----

func.func @bubble_up_pack_inner_expanded_through_expand(%arg0: tensor<32x64xf32>) -> tensor<32x4x4x4xf32> {
  %empty = tensor.empty() : tensor<32x4x4x4xf32>
  %expanded = tensor.expand_shape %arg0 [[0], [1, 2]] output_shape [32, 4, 16] : tensor<32x64xf32> into tensor<32x4x16xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [2] inner_tiles = [4] into %empty : tensor<32x4x16xf32> -> tensor<32x4x4x4xf32>
  return %pack : tensor<32x4x4x4xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_inner_expanded_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<32x16x4xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [1] inner_tiles = [4] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x64xf32> -> tensor<32x16x4xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0], [1, 2], [3]]
// CHECK-SAME:      output_shape [32, 4, 4, 4] : tensor<32x16x4xf32> into tensor<32x4x4x4xf32>
// CHECK:         return %[[EXPANDED]] : tensor<32x4x4x4xf32>

// -----

func.func @bubble_up_pack_non_expanded_dims_through_expand(%arg0: tensor<32x64x16xf32>) -> tensor<8x2x32x16x4xf32> {
  %empty = tensor.empty() : tensor<8x2x32x16x4xf32>
  %expanded = tensor.expand_shape %arg0 [[0], [1, 2], [3]] output_shape [32, 2, 32, 16] : tensor<32x64x16xf32> into tensor<32x2x32x16xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [0] inner_tiles = [4] into %empty : tensor<32x2x32x16xf32> -> tensor<8x2x32x16x4xf32>
  return %pack : tensor<8x2x32x16x4xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_non_expanded_dims_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x64x16x4xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack
// CHECK-SAME:      %[[ARG0]] inner_dims_pos = [0] inner_tiles = [4] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x64x16xf32> -> tensor<8x64x16x4xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0], [1, 2], [3], [4]]
// CHECK-SAME:      output_shape [8, 2, 32, 16, 4] : tensor<8x64x16x4xf32> into tensor<8x2x32x16x4xf32>
// CHECK:         return %[[EXPANDED]] : tensor<8x2x32x16x4xf32>

// -----

func.func @bubble_up_pack_through_expand_dynamic(%arg0: tensor<?x64xf32>) -> tensor<?x4x2x8xf32> {
  %c0 = arith.constant 0 : index
  %dim = tensor.dim %arg0, %c0 : tensor<?x64xf32>
  %empty = tensor.empty(%dim) : tensor<?x4x2x8xf32>
  %expanded = tensor.expand_shape %arg0 [[0], [1, 2]] output_shape [%dim, 4, 16] : tensor<?x64xf32> into tensor<?x4x16xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [2] inner_tiles = [8] into %empty : tensor<?x4x16xf32> -> tensor<?x4x2x8xf32>
  return %pack : tensor<?x4x2x8xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_through_expand_dynamic(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-DAG:     %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM_INPUT:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x64xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM_INPUT]]) : tensor<?x8x8xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [1] inner_tiles = [8] into %[[EMPTY]]
// CHECK-SAME:      : tensor<?x64xf32> -> tensor<?x8x8xf32>
// CHECK:         %[[DIM_PACK:.+]] = tensor.dim %[[PACK]], %[[C0]] : tensor<?x8x8xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0], [1, 2], [3]]
// CHECK-SAME:      output_shape [%[[DIM_PACK]], 4, 2, 8] : tensor<?x8x8xf32> into tensor<?x4x2x8xf32>
// CHECK:         return %[[EXPANDED]] : tensor<?x4x2x8xf32>

// -----

func.func @bubble_up_pack_non_expanded_padding_through_expand(%arg0: tensor<32x60xf32>) -> tensor<4x2x8x4x8xf32> {
  %cst = arith.constant 3.000000e+00 : f32
  %empty = tensor.empty() : tensor<4x2x8x4x8xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x60xf32> into tensor<4x8x60xf32>
  %pack = linalg.pack %expanded padding_value(%cst : f32) inner_dims_pos = [1, 2] inner_tiles = [4, 8] into %empty : tensor<4x8x60xf32> -> tensor<4x2x8x4x8xf32>
  return %pack : tensor<4x2x8x4x8xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_non_expanded_padding_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-DAG:     %[[CST:.+]] = arith.constant 3.000000e+00 : f32
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x8x4x8xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]] padding_value(%[[CST]] : f32)
// CHECK-SAME:      inner_dims_pos = [0, 1] inner_tiles = [4, 8] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x60xf32> -> tensor<8x8x4x8xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0, 1], [2], [3], [4]]
// CHECK-SAME:      output_shape [4, 2, 8, 4, 8] : tensor<8x8x4x8xf32> into tensor<4x2x8x4x8xf32>
// CHECK:         return %[[EXPANDED]] : tensor<4x2x8x4x8xf32>

// -----

func.func @bubble_up_pack_outer_dims_perm_identity_through_expand(%arg0: tensor<32x64xf32>) -> tensor<4x2x32x4x2xf32> {
  %empty = tensor.empty() : tensor<4x2x32x4x2xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
  %pack = linalg.pack %expanded outer_dims_perm = [0, 1, 2] inner_dims_pos = [1, 2] inner_tiles = [4, 2] into %empty : tensor<4x8x64xf32> -> tensor<4x2x32x4x2xf32>
  return %pack : tensor<4x2x32x4x2xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_outer_dims_perm_identity_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x32x4x2xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [0, 1] inner_tiles = [4, 2] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x64xf32> -> tensor<8x32x4x2xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0, 1], [2], [3], [4]]
// CHECK-SAME:      output_shape [4, 2, 32, 4, 2] : tensor<8x32x4x2xf32> into tensor<4x2x32x4x2xf32>
// CHECK:         return %[[EXPANDED]] : tensor<4x2x32x4x2xf32>

// -----

func.func @bubble_up_pack_multiple_dims_through_expand(%arg0: tensor<32x64x16xf32>) -> tensor<8x2x4x8x4x8x2xf32> {
  %empty = tensor.empty() : tensor<8x2x4x8x4x8x2xf32>
  %expanded = tensor.expand_shape %arg0 [[0], [1, 2], [3]] output_shape [32, 2, 32, 16] : tensor<32x64x16xf32> into tensor<32x2x32x16xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [0, 2, 3] inner_tiles = [4, 8, 2] into %empty : tensor<32x2x32x16xf32> -> tensor<8x2x4x8x4x8x2xf32>
  return %pack : tensor<8x2x4x8x4x8x2xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_multiple_dims_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x8x8x4x8x2xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [0, 1, 2] inner_tiles = [4, 8, 2] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x64x16xf32> -> tensor<8x8x8x4x8x2xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0], [1, 2], [3], [4], [5], [6]]
// CHECK-SAME:      output_shape [8, 2, 4, 8, 4, 8, 2] : tensor<8x8x8x4x8x2xf32> into tensor<8x2x4x8x4x8x2xf32>
// CHECK:         return %[[EXPANDED]] : tensor<8x2x4x8x4x8x2xf32>

// -----

func.func @bubble_up_pack_inner_dims_reorder_through_expand(%arg0: tensor<32x64xf32>) -> tensor<4x2x4x16x4xf32> {
  %empty = tensor.empty() : tensor<4x2x4x16x4xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [2, 1] inner_tiles = [16, 4] into %empty : tensor<4x8x64xf32> -> tensor<4x2x4x16x4xf32>
  return %pack : tensor<4x2x4x16x4xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_inner_dims_reorder_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x4x16x4xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [1, 0] inner_tiles = [16, 4] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x64xf32> -> tensor<8x4x16x4xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0, 1], [2], [3], [4]]
// CHECK-SAME:      output_shape [4, 2, 4, 16, 4] : tensor<8x4x16x4xf32> into tensor<4x2x4x16x4xf32>
// CHECK:         return %[[EXPANDED]] : tensor<4x2x4x16x4xf32>

// -----

func.func @bubble_up_pack_multiple_different_expanded_dims_through_expand(%arg0: tensor<32x64x16xf32>) -> tensor<4x2x2x8x16x4x4xf32> {
  %empty = tensor.empty() : tensor<4x2x2x8x16x4x4xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2, 3], [4]] output_shape [4, 8, 2, 32, 16] : tensor<32x64x16xf32> into tensor<4x8x2x32x16xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [1, 3] inner_tiles = [4, 4] into %empty : tensor<4x8x2x32x16xf32> -> tensor<4x2x2x8x16x4x4xf32>
  return %pack : tensor<4x2x2x8x16x4x4xf32>
}
// CHECK-LABEL: func.func @bubble_up_pack_multiple_different_expanded_dims_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<8x16x16x4x4xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[ARG0]]
// CHECK-SAME:      inner_dims_pos = [0, 1] inner_tiles = [4, 4] into %[[EMPTY]]
// CHECK-SAME:      : tensor<32x64x16xf32> -> tensor<8x16x16x4x4xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[PACK]] {{\[}}[0, 1], [2, 3], [4], [5], [6]]
// CHECK-SAME:      output_shape [4, 2, 2, 8, 16, 4, 4] : tensor<8x16x16x4x4xf32> into tensor<4x2x2x8x16x4x4xf32>
// CHECK:         return %[[EXPANDED]] : tensor<4x2x2x8x16x4x4xf32>

// -----

func.func @no_bubble_up_pack_outer_dims_permutation_through_expand(%arg0: tensor<32x64xf32>) -> tensor<32x4x2x4x2xf32> {
  %empty = tensor.empty() : tensor<32x4x2x4x2xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
  %pack = linalg.pack %expanded outer_dims_perm = [2, 0, 1] inner_dims_pos = [1, 2] inner_tiles = [4, 2] into %empty : tensor<4x8x64xf32> -> tensor<32x4x2x4x2xf32>
  return %pack : tensor<32x4x2x4x2xf32>
}
// CHECK-LABEL: func.func @no_bubble_up_pack_outer_dims_permutation_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<32x4x2x4x2xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2]]
// CHECK-SAME:      output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[EXPANDED]]
// CHECK-SAME:      outer_dims_perm = [2, 0, 1] inner_dims_pos = [1, 2] inner_tiles = [4, 2] into %[[EMPTY]]
// CHECK-SAME:      : tensor<4x8x64xf32> -> tensor<32x4x2x4x2xf32>
// CHECK:         return %[[PACK]] : tensor<32x4x2x4x2xf32>

// -----

func.func @no_bubble_up_pack_multiple_same_expanded_dim_through_expand(%arg0: tensor<32x64xf32>) -> tensor<2x2x64x2x4xf32> {
  %empty = tensor.empty() : tensor<2x2x64x2x4xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [0, 1] inner_tiles = [2, 4] into %empty : tensor<4x8x64xf32> -> tensor<2x2x64x2x4xf32>
  return %pack : tensor<2x2x64x2x4xf32>
}
// CHECK-LABEL: func.func @no_bubble_up_pack_multiple_same_expanded_dim_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<2x2x64x2x4xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2]]
// CHECK-SAME:      output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[EXPANDED]]
// CHECK-SAME:      inner_dims_pos = [0, 1] inner_tiles = [2, 4] into %[[EMPTY]]
// CHECK-SAME:      : tensor<4x8x64xf32> -> tensor<2x2x64x2x4xf32>
// CHECK:         return %[[PACK]] : tensor<2x2x64x2x4xf32>

// -----

func.func @no_bubble_up_pack_non_innermost_expanded_dim_through_expand(%arg0: tensor<32x64xf32>) -> tensor<2x8x64x2xf32> {
  %empty = tensor.empty() : tensor<2x8x64x2xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
  %pack = linalg.pack %expanded inner_dims_pos = [0] inner_tiles = [2] into %empty : tensor<4x8x64xf32> -> tensor<2x8x64x2xf32>
  return %pack : tensor<2x8x64x2xf32>
}
// CHECK-LABEL: func.func @no_bubble_up_pack_non_innermost_expanded_dim_through_expand(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<2x8x64x2xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2]]
// CHECK-SAME:      output_shape [4, 8, 64] : tensor<32x64xf32> into tensor<4x8x64xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[EXPANDED]]
// CHECK-SAME:      inner_dims_pos = [0] inner_tiles = [2] into %[[EMPTY]]
// CHECK-SAME:      : tensor<4x8x64xf32> -> tensor<2x8x64x2xf32>
// CHECK:         return %[[PACK]] : tensor<2x8x64x2xf32>

// -----

func.func @no_bubble_up_pack_expanded_padding_through_expand_cannot_reassociate(%arg0: tensor<30x60xf32>) -> tensor<3x2x60x8xf32> {
  %cst = arith.constant 3.000000e+00 : f32
  %empty = tensor.empty() : tensor<3x2x60x8xf32>
  %expanded = tensor.expand_shape %arg0 [[0, 1], [2]] output_shape [3, 10, 60] : tensor<30x60xf32> into tensor<3x10x60xf32>
  %pack = linalg.pack %expanded padding_value(%cst : f32) inner_dims_pos = [1] inner_tiles = [8] into %empty : tensor<3x10x60xf32> -> tensor<3x2x60x8xf32>
  return %pack : tensor<3x2x60x8xf32>
}
// CHECK-LABEL: func.func @no_bubble_up_pack_expanded_padding_through_expand_cannot_reassociate(
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-DAG:     %[[CST:.+]] = arith.constant 3.000000e+00 : f32
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<3x2x60x8xf32>
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2]]
// CHECK-SAME:      output_shape [3, 10, 60] : tensor<30x60xf32> into tensor<3x10x60xf32>
// CHECK:         %[[PACK:.+]] = linalg.pack %[[EXPANDED]] padding_value(%[[CST]] : f32)
// CHECK-SAME:      inner_dims_pos = [1] inner_tiles = [8] into %[[EMPTY]]
// CHECK-SAME:      : tensor<3x10x60xf32> -> tensor<3x2x60x8xf32>
// CHECK:         return %[[PACK]] : tensor<3x2x60x8xf32>

// -----

func.func @push_down_unpack_through_expand(%5: tensor<?x32x8x8xf32>, %dim: index, %sz0: index) -> tensor<?x256x256xf32> {
  %6 = tensor.empty(%dim) : tensor<?x256xf32>
  %unpack = linalg.unpack %5 outer_dims_perm = [0, 1] inner_dims_pos = [0, 1] inner_tiles = [8, 8] into %6 : tensor<?x32x8x8xf32> -> tensor<?x256xf32>
  %expanded = tensor.expand_shape %unpack [[0, 1], [2]] output_shape [%sz0, 256, 256] : tensor<?x256xf32> into tensor<?x256x256xf32>
  func.return %expanded : tensor<?x256x256xf32>
}
// CHECK-LABEL: func.func @push_down_unpack_through_expand
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:      %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[C32:.+]] = arith.constant 32 : index
// CHECK:         %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM0:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x32x8x8xf32>
// CHECK:         %[[SZ0:.+]] = arith.divsi %[[DIM0]], %[[C32]] : index
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2], [3], [4]] output_shape [%[[SZ0]], 32, 32, 8, 8] : tensor<?x32x8x8xf32> into tensor<?x32x32x8x8xf32>
// CHECK:         %[[DIM:.+]] = tensor.dim %[[EXPANDED]], %[[C0]] : tensor<?x32x32x8x8xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM]]) : tensor<?x256x256xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[EXPANDED:.+]] outer_dims_perm = [0, 1, 2] inner_dims_pos = [1, 2] inner_tiles = [8, 8] into %[[EMPTY]] : tensor<?x32x32x8x8xf32> -> tensor<?x256x256xf32>
// CHECK:         return %[[UNPACK]] : tensor<?x256x256xf32>

// -----

func.func @push_down_unpack_through_expand_empty_outer_dims_perm(%5: tensor<?x32x8x8xf32>, %dim: index, %sz0: index) -> tensor<?x256x256xf32> {
  %6 = tensor.empty(%dim) : tensor<?x256xf32>
  %unpack = linalg.unpack %5 inner_dims_pos = [0, 1] inner_tiles = [8, 8] into %6 : tensor<?x32x8x8xf32> -> tensor<?x256xf32>
  %expanded = tensor.expand_shape %unpack [[0, 1], [2]] output_shape [%sz0, 256, 256] : tensor<?x256xf32> into tensor<?x256x256xf32>
  func.return %expanded : tensor<?x256x256xf32>
}
// CHECK-LABEL: func.func @push_down_unpack_through_expand_empty_outer_dims_perm
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:      %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[C32:.+]] = arith.constant 32 : index
// CHECK:         %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM0:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x32x8x8xf32>
// CHECK:         %[[SZ0:.+]] = arith.divsi %[[DIM0]], %[[C32]] : index
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2], [3], [4]] output_shape [%[[SZ0]], 32, 32, 8, 8] : tensor<?x32x8x8xf32> into tensor<?x32x32x8x8xf32>
// CHECK:         %[[DIM:.+]] = tensor.dim %[[EXPANDED]], %[[C0]] : tensor<?x32x32x8x8xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM]]) : tensor<?x256x256xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[EXPANDED:.+]] inner_dims_pos = [1, 2] inner_tiles = [8, 8] into %[[EMPTY]] : tensor<?x32x32x8x8xf32> -> tensor<?x256x256xf32>
// CHECK:         return %[[UNPACK]] : tensor<?x256x256xf32>

// -----

func.func @push_down_permuted_unpack_through_expand(%5: tensor<4x32x384x8x8xf32>) -> tensor<4x12x256x256xf32> {
  %6 = tensor.empty() : tensor<4x3072x256xf32>
  %unpack = linalg.unpack %5 outer_dims_perm = [0, 2, 1] inner_dims_pos = [2, 1] inner_tiles = [8, 8] into %6 : tensor<4x32x384x8x8xf32> -> tensor<4x3072x256xf32>
  %expanded = tensor.expand_shape %unpack [[0], [1, 2], [3]] output_shape [4, 12, 256, 256] : tensor<4x3072x256xf32> into tensor<4x12x256x256xf32>
  func.return %expanded : tensor<4x12x256x256xf32>
}
// CHECK-LABEL: @push_down_permuted_unpack_through_expand
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0], [1], [2, 3], [4], [5]] output_shape [4, 32, 12, 32, 8, 8] : tensor<4x32x384x8x8xf32> into tensor<4x32x12x32x8x8xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<4x12x256x256xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[EXPANDED]] outer_dims_perm = [0, 3, 1, 2] inner_dims_pos = [3, 2] inner_tiles = [8, 8] into %[[EMPTY]] : tensor<4x32x12x32x8x8xf32> -> tensor<4x12x256x256xf32>
// CHECK:         return %[[UNPACK]] : tensor<4x12x256x256xf32>

// -----

func.func @push_down_unpack_through_unit_expand(%5: tensor<6x32x8x8xf32>) -> tensor<3x16x1x256xf32> {
  %6 = tensor.empty() : tensor<48x256xf32>
  %unpack = linalg.unpack %5 outer_dims_perm = [0, 1] inner_dims_pos = [0, 1] inner_tiles = [8, 8] into %6 : tensor<6x32x8x8xf32> -> tensor<48x256xf32>
  %expanded = tensor.expand_shape %unpack [[0, 1, 2], [3]] output_shape [3, 16, 1, 256] : tensor<48x256xf32> into tensor<3x16x1x256xf32>
  func.return %expanded : tensor<3x16x1x256xf32>
}
// CHECK-LABEL: func.func @push_down_unpack_through_unit_expand
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1, 2], [3], [4], [5]] output_shape [3, 2, 1, 32, 8, 8] : tensor<6x32x8x8xf32> into tensor<3x2x1x32x8x8xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty() : tensor<3x16x1x256xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[EXPANDED]] outer_dims_perm = [0, 1, 2, 3] inner_dims_pos = [1, 3] inner_tiles = [8, 8] into %[[EMPTY]] : tensor<3x2x1x32x8x8xf32> -> tensor<3x16x1x256xf32>
// CHECK:         return %[[UNPACK]] : tensor<3x16x1x256xf32>

// -----

func.func @push_down_unpack_through_expand_on_outer_dims(%5: tensor<?x32x8xf32>, %dim: index, %sz0: index) -> tensor<?x256x256xf32> {
  %6 = tensor.empty(%dim) : tensor<?x256xf32>
  %unpack = linalg.unpack %5 outer_dims_perm = [0, 1] inner_dims_pos = [1] inner_tiles = [8] into %6 : tensor<?x32x8xf32> -> tensor<?x256xf32>
  %expanded = tensor.expand_shape %unpack [[0, 1], [2]] output_shape [%sz0, 256, 256] : tensor<?x256xf32> into tensor<?x256x256xf32>
  func.return %expanded : tensor<?x256x256xf32>
}
// CHECK-LABEL: func.func @push_down_unpack_through_expand_on_outer_dims
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:      %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[C256:.+]] = arith.constant 256 : index
// CHECK:         %[[C0:.+]] = arith.constant 0 : index
// CHECK:         %[[DIM0:.+]] = tensor.dim %[[ARG0]], %[[C0]] : tensor<?x32x8xf32>
// CHECK:         %[[SZ0:.+]] = arith.divsi %[[DIM0]], %[[C256]] : index
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[ARG0]] {{\[}}[0, 1], [2], [3]] output_shape [%[[SZ0]], 256, 32, 8] : tensor<?x32x8xf32> into tensor<?x256x32x8xf32>
// CHECK:         %[[DIM:.+]] = tensor.dim %[[EXPANDED]], %[[C0]] : tensor<?x256x32x8xf32>
// CHECK:         %[[EMPTY:.+]] = tensor.empty(%[[DIM]]) : tensor<?x256x256xf32>
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[EXPANDED:.+]] outer_dims_perm = [0, 1, 2] inner_dims_pos = [2] inner_tiles = [8] into %[[EMPTY]] : tensor<?x256x32x8xf32> -> tensor<?x256x256xf32>
// CHECK:         return %[[UNPACK]] : tensor<?x256x256xf32>

// -----

func.func @no_push_down_unpack_through_non_divisible_expand(%5: tensor<384x32x8x8xf32>) -> tensor<256x12x256xf32> {
  %6 = tensor.empty() : tensor<3072x256xf32>
  %unpack = linalg.unpack %5 outer_dims_perm = [0, 1] inner_dims_pos = [0, 1] inner_tiles = [8, 8] into %6 : tensor<384x32x8x8xf32> -> tensor<3072x256xf32>
  %expanded = tensor.expand_shape %unpack [[0, 1], [2]] output_shape [256, 12, 256] : tensor<3072x256xf32> into tensor<256x12x256xf32>
  func.return %expanded : tensor<256x12x256xf32>
}
// CHECK-LABEL: func.func @no_push_down_unpack_through_non_divisible_expand
// CHECK-SAME:      %[[ARG0:[a-zA-Z0-9]+]]
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[ARG0]]
// CHECK:         %[[EXPANDED:.+]] = tensor.expand_shape %[[UNPACK]] {{\[}}[0, 1], [2]] output_shape [256, 12, 256] : tensor<3072x256xf32> into tensor<256x12x256xf32>
// CHECK:         return %[[EXPANDED]] : tensor<256x12x256xf32>

// -----

func.func @push_unpack_in_padded_domain_foldable(%arg0: tensor<8x8x4x8xf32>, %dest: tensor<?x64xf32>, %arg1: tensor<?x64xbf16>) -> tensor<?x64xbf16> {
  %unpack = linalg.unpack %arg0 inner_dims_pos = [0, 1] inner_tiles = [4, 8] into %dest : tensor<8x8x4x8xf32> -> tensor<?x64xf32>
  %0 = linalg.generic {indexing_maps = [affine_map<(d0, d1) -> (d0, d1)>, affine_map<(d0, d1) -> (d0, d1)>], iterator_types = ["parallel", "parallel"]} ins(%unpack : tensor<?x64xf32>) outs(%arg1 : tensor<?x64xbf16>) {
  ^bb0(%in: f32, %out: bf16):
    %1 = arith.truncf %in : f32 to bf16
    linalg.yield %1 : bf16
  } -> tensor<?x64xbf16>
  return %0 : tensor<?x64xbf16>
}
// CHECK-LABEL: func.func @push_unpack_in_padded_domain_foldable
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[ARG1:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[ARG2:[a-zA-Z0-9]+]]
// CHECK:         %[[EMPTY:.+]] = tensor.empty
// CHECK:         %[[GENERIC:.+]] = linalg.generic
// CHECK-SAME:    ins(%[[ARG0]] : tensor<8x8x4x8xf32>)
// CHECK-SAME:    outs(%[[EMPTY]] : tensor<?x8x4x8xbf16>)
// CHECK:         %[[UNPACK:.+]] = linalg.unpack %[[GENERIC]]
// CHECK-SAME:    into %[[ARG2]]
// CHECK:         return %[[UNPACK]] : tensor<?x64xbf16>

// -----

func.func @push_unpack_in_padded_domain_out_used(%arg0: tensor<8x8x4x8xf32>, %arg1: tensor<?x64xf32>) -> tensor<?x64xf32> {
  %unpack = linalg.unpack %arg0 inner_dims_pos = [0, 1] inner_tiles = [4, 8] into %arg1 : tensor<8x8x4x8xf32> -> tensor<?x64xf32>
  %0 = linalg.generic {indexing_maps = [affine_map<(d0, d1) -> (d0, d1)>, affine_map<(d0, d1) -> (d0, d1)>], iterator_types = ["parallel", "parallel"]} ins(%unpack : tensor<?x64xf32>) outs(%arg1 : tensor<?x64xf32>) {
  ^bb0(%in: f32, %out: f32):
    %1 = arith.addf %in, %out : f32
    linalg.yield %1 : f32
  } -> tensor<?x64xf32>
  return %0 : tensor<?x64xf32>
}
// CHECK-LABEL: func.func @push_unpack_in_padded_domain_out_used
// CHECK-SAME:    %[[ARG0:[a-zA-Z0-9]+]]
// CHECK-SAME:    %[[ARG1:[a-zA-Z0-9]+]]
// CHECK:         %[[ARG1_PACK_EMPTY:.+]] = tensor.empty
// CHECK:         %[[ARG1_PACK:.+]] = linalg.pack %[[ARG1]]
// CHECK-SAME:      inner_dims_pos = [0, 1] inner_tiles = [4, 8]
// CHECK-SAME:      into %[[ARG1_PACK_EMPTY]]
// CHECK:         %[[GENERIC:.+]] = linalg.generic
// CHECK-SAME:    ins(%[[ARG0]] : tensor<8x8x4x8xf32>)
// CHECK-SAME:    outs(%[[ARG1_PACK]] : tensor<?x8x4x8xf32>)
// CHECK:         %[[UNPACK2:.+]] = linalg.unpack %[[GENERIC]]
// CHECK-SAME:    into %[[ARG1]]
// CHECK:         return %[[UNPACK2]] : tensor<?x64xf32>