From 13c3327f5cf829fd9d04a2ab46861e722cd74ca0 Mon Sep 17 00:00:00 2001
From: Eugene Zhulenev <ezhulenev@google.com>
Date: Tue, 12 Nov 2019 10:12:28 -0800
Subject: Remove legacy block evaluation support

---
 .../Eigen/CXX11/src/Tensor/TensorEvaluator.h       | 72 ----------------------
 1 file changed, 72 deletions(-)

(limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h')

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
index ce2305b56..d6a3e6abe 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
@@ -45,7 +45,6 @@ struct TensorEvaluator
   enum {
     IsAligned          = Derived::IsAligned,
     PacketAccess       = (PacketType<CoeffReturnType, Device>::size > 1),
-    BlockAccess        = internal::is_arithmetic<typename internal::remove_const<Scalar>::type>::value,
     BlockAccessV2      = internal::is_arithmetic<typename internal::remove_const<Scalar>::type>::value,
     PreferBlockAccess  = false,
     Layout             = Derived::Layout,
@@ -55,13 +54,6 @@ struct TensorEvaluator
 
   typedef typename internal::remove_const<Scalar>::type ScalarNoConst;
 
-  typedef typename internal::TensorBlock<ScalarNoConst, Index, NumCoords, Layout>
-      TensorBlock;
-  typedef typename internal::TensorBlockReader<ScalarNoConst, Index, NumCoords, Layout>
-      TensorBlockReader;
-  typedef typename internal::TensorBlockWriter<ScalarNoConst, Index, NumCoords, Layout>
-      TensorBlockWriter;
-
   //===- Tensor block evaluation strategy (see TensorBlock.h) -------------===//
   typedef internal::TensorBlockDescriptor<NumCoords, Index> TensorBlockDesc;
   typedef internal::TensorBlockScratchAllocator<Device> TensorBlockScratch;
@@ -160,11 +152,6 @@ struct TensorEvaluator
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void getResourceRequirements(
       std::vector<internal::TensorOpResourceRequirements>*) const {}
 
-  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void block(TensorBlock* block) const {
-    assert(m_data != NULL);
-    TensorBlockReader::Run(block, m_data);
-  }
-
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorBlockV2
   blockV2(TensorBlockDesc& desc, TensorBlockScratch& scratch,
           bool /*root_of_expr_ast*/ = false) const {
@@ -172,12 +159,6 @@ struct TensorEvaluator
     return TensorBlockV2::materialize(m_data, m_dims, desc, scratch);
   }
 
-  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void writeBlock(
-      const TensorBlock& block) {
-    assert(m_data != NULL);
-    TensorBlockWriter::Run(block, m_data);
-  }
-
   template<typename TensorBlockV2>
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void writeBlockV2(
       const TensorBlockDesc& desc, const TensorBlockV2& block) {
@@ -263,7 +244,6 @@ struct TensorEvaluator<const Derived, Device>
   enum {
     IsAligned         = Derived::IsAligned,
     PacketAccess      = (PacketType<CoeffReturnType, Device>::size > 1),
-    BlockAccess       = internal::is_arithmetic<ScalarNoConst>::value,
     BlockAccessV2     = internal::is_arithmetic<ScalarNoConst>::value,
     PreferBlockAccess = false,
     Layout            = Derived::Layout,
@@ -271,11 +251,6 @@ struct TensorEvaluator<const Derived, Device>
     RawAccess         = true
   };
 
-  typedef typename internal::TensorBlock<ScalarNoConst, Index, NumCoords, Layout>
-      TensorBlock;
-  typedef typename internal::TensorBlockReader<ScalarNoConst, Index, NumCoords, Layout>
-      TensorBlockReader;
-
   //===- Tensor block evaluation strategy (see TensorBlock.h) -------------===//
   typedef internal::TensorBlockDescriptor<NumCoords, Index> TensorBlockDesc;
   typedef internal::TensorBlockScratchAllocator<Device> TensorBlockScratch;
@@ -348,11 +323,6 @@ struct TensorEvaluator<const Derived, Device>
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void getResourceRequirements(
       std::vector<internal::TensorOpResourceRequirements>*) const {}
 
-  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void block(TensorBlock* block) const {
-    assert(m_data != NULL);
-    TensorBlockReader::Run(block, m_data);
-  }
-
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorBlockV2
   blockV2(TensorBlockDesc& desc, TensorBlockScratch& scratch,
           bool /*root_of_expr_ast*/ = false) const {
@@ -404,7 +374,6 @@ struct TensorEvaluator<const TensorCwiseNullaryOp<NullaryOp, ArgType>, Device>
     &&  (PacketType<CoeffReturnType, Device>::size >1)
     #endif
     ,
-    BlockAccess = false,
     BlockAccessV2 = false,
     PreferBlockAccess = false,
     Layout = TensorEvaluator<ArgType, Device>::Layout,
@@ -475,7 +444,6 @@ struct TensorEvaluator<const TensorCwiseUnaryOp<UnaryOp, ArgType>, Device>
     IsAligned          = TensorEvaluator<ArgType, Device>::IsAligned,
     PacketAccess       = TensorEvaluator<ArgType, Device>::PacketAccess &
                          internal::functor_traits<UnaryOp>::PacketAccess,
-    BlockAccess        = TensorEvaluator<ArgType, Device>::BlockAccess,
     BlockAccessV2      = TensorEvaluator<ArgType, Device>::BlockAccessV2,
     PreferBlockAccess  = TensorEvaluator<ArgType, Device>::PreferBlockAccess,
     Layout             = TensorEvaluator<ArgType, Device>::Layout,
@@ -554,24 +522,6 @@ struct TensorEvaluator<const TensorCwiseUnaryOp<UnaryOp, ArgType>, Device>
     m_argImpl.getResourceRequirements(resources);
   }
 
-  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void block(
-      TensorBlock* output_block) const {
-    if (NumDims <= 0) {
-      output_block->data()[0] = coeff(0);
-      return;
-    }
-    internal::TensorBlockView<ArgType, Device> arg_block(m_device, m_argImpl,
-                                                         *output_block);
-    internal::TensorBlockCwiseUnaryIO<UnaryOp, Index, ScalarNoConst, NumDims,
-                                      Layout>::Run(m_functor,
-                                                   output_block->block_sizes(),
-                                                   output_block
-                                                       ->block_strides(),
-                                                   output_block->data(),
-                                                   arg_block.block_strides(),
-                                                   arg_block.data());
-  }
-
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorBlockV2
   blockV2(TensorBlockDesc& desc, TensorBlockScratch& scratch,
           bool /*root_of_expr_ast*/ = false) const {
@@ -608,8 +558,6 @@ struct TensorEvaluator<const TensorCwiseBinaryOp<BinaryOp, LeftArgType, RightArg
     PacketAccess      = TensorEvaluator<LeftArgType, Device>::PacketAccess &
                         TensorEvaluator<RightArgType, Device>::PacketAccess &
                         internal::functor_traits<BinaryOp>::PacketAccess,
-    BlockAccess       = TensorEvaluator<LeftArgType, Device>::BlockAccess &
-                        TensorEvaluator<RightArgType, Device>::BlockAccess,
     BlockAccessV2     = TensorEvaluator<LeftArgType, Device>::BlockAccessV2 &
                         TensorEvaluator<RightArgType, Device>::BlockAccessV2,
     PreferBlockAccess = TensorEvaluator<LeftArgType, Device>::PreferBlockAccess |
@@ -713,24 +661,6 @@ struct TensorEvaluator<const TensorCwiseBinaryOp<BinaryOp, LeftArgType, RightArg
     m_rightImpl.getResourceRequirements(resources);
   }
 
-  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void block(
-      TensorBlock* output_block) const {
-    if (NumDims <= 0) {
-      output_block->data()[0] = coeff(Index(0));
-      return;
-    }
-    internal::TensorBlockView<LeftArgType, Device> left_block(
-        m_device, m_leftImpl, *output_block);
-    internal::TensorBlockView<RightArgType, Device> right_block(
-        m_device, m_rightImpl, *output_block);
-    internal::TensorBlockCwiseBinaryIO<
-        BinaryOp, Index, typename internal::remove_const<Scalar>::type, NumDims,
-        Layout>::Run(m_functor, output_block->block_sizes(),
-                     output_block->block_strides(), output_block->data(),
-                     left_block.block_strides(), left_block.data(),
-                     right_block.block_strides(), right_block.data());
-  }
-
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorBlockV2
   blockV2(TensorBlockDesc& desc, TensorBlockScratch& scratch,
           bool /*root_of_expr_ast*/ = false) const {
@@ -768,7 +698,6 @@ struct TensorEvaluator<const TensorCwiseTernaryOp<TernaryOp, Arg1Type, Arg2Type,
                         TensorEvaluator<Arg2Type, Device>::PacketAccess &&
                         TensorEvaluator<Arg3Type, Device>::PacketAccess &&
                         internal::functor_traits<TernaryOp>::PacketAccess,
-    BlockAccess       = false,
     BlockAccessV2     = false,
     PreferBlockAccess = TensorEvaluator<Arg1Type, Device>::PreferBlockAccess ||
                         TensorEvaluator<Arg2Type, Device>::PreferBlockAccess ||
@@ -887,7 +816,6 @@ struct TensorEvaluator<const TensorSelectOp<IfArgType, ThenArgType, ElseArgType>
     PacketAccess      = TensorEvaluator<ThenArgType, Device>::PacketAccess &
                         TensorEvaluator<ElseArgType, Device>::PacketAccess &
                         PacketType<Scalar, Device>::HasBlend,
-    BlockAccess       = false,
     BlockAccessV2     = TensorEvaluator<IfArgType, Device>::BlockAccessV2 &&
                         TensorEvaluator<ThenArgType, Device>::BlockAccessV2 &&
                         TensorEvaluator<ElseArgType, Device>::BlockAccessV2,
-- 
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