frame.h

Go to the documentation of this file.

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#ifndef TVM_SCRIPT_IR_BUILDER_RELAX_FRAME_H_
#define TVM_SCRIPT_IR_BUILDER_RELAX_FRAME_H_
 
#include <tvm/relax/block_builder.h>
#include <tvm/relax/expr.h>
#include <tvm/script/ir_builder/base.h>
#include <tvm/script/ir_builder/ir/frame.h>
#include <tvm/script/ir_builder/ir/ir.h>
 
namespace tvm {
namespace script {
namespace ir_builder {
namespace relax {
 
class RelaxFrameNode : public IRBuilderFrameNode {
 public:
  void VisitAttrs(tvm::AttrVisitor* v) { IRBuilderFrameNode::VisitAttrs(v); }
 
  static constexpr const char* _type_key = "script.ir_builder.relax.RelaxFrame";
  TVM_DECLARE_BASE_OBJECT_INFO(RelaxFrameNode, IRBuilderFrameNode);
};
 
class RelaxFrame : public IRBuilderFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(RelaxFrame, IRBuilderFrame, RelaxFrameNode);
 
 protected:
  RelaxFrame() = default;
};
 
class SeqExprFrameNode : public RelaxFrameNode {
 public:
  Array<tvm::relax::BindingBlock> binding_blocks;
  Optional<tvm::relax::Expr> output;
 
  void VisitAttrs(tvm::AttrVisitor* v) {
    RelaxFrameNode::VisitAttrs(v);
    v->Visit("binding_blocks", &binding_blocks);
    v->Visit("output", &output);
  }
 
  static constexpr const char* _type_key = "script.ir_builder.relax.SeqExprFrame";
  TVM_DECLARE_BASE_OBJECT_INFO(SeqExprFrameNode, RelaxFrameNode);
 
 public:
  void EnterWithScope() override;
  void ExitWithScope() override;
};
 
class SeqExprFrame : public RelaxFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(SeqExprFrame, RelaxFrame, SeqExprFrameNode);
};
 
class FunctionFrameNode : public SeqExprFrameNode {
 public:
  Optional<String> name;
  Array<tvm::relax::Var> params;
  Optional<tvm::relax::StructInfo> ret_struct_info;
  Optional<Bool> is_pure;
  Optional<Bool> is_private;
  Map<String, ObjectRef> attrs;
  tvm::relax::BlockBuilder block_builder;
 
  void VisitAttrs(tvm::AttrVisitor* v) {
    SeqExprFrameNode::VisitAttrs(v);
    v->Visit("name", &name);
    v->Visit("params", &params);
    v->Visit("ret_struct_info", &ret_struct_info);
    v->Visit("is_pure", &is_pure);
    v->Visit("attrs", &attrs);
    v->Visit("binding_blocks", &binding_blocks);
    v->Visit("output", &output);
    // `block_builder` is not visited.
  }
 
  static constexpr const char* _type_key = "script.ir_builder.relax.FunctionFrame";
  TVM_DECLARE_FINAL_OBJECT_INFO(FunctionFrameNode, SeqExprFrameNode);
 
 public:
  void EnterWithScope() final;
  void ExitWithScope() final;
};
 
class FunctionFrame : public SeqExprFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(FunctionFrame, SeqExprFrame, FunctionFrameNode);
};
 
class BlockFrameNode : public RelaxFrameNode {
 public:
  bool is_dataflow;
  Array<tvm::relax::Var> emitted_vars;
  bool block_ended;
  Array<tvm::relax::Var> output_vars;
 
  void VisitAttrs(tvm::AttrVisitor* v) {
    RelaxFrameNode::VisitAttrs(v);
    v->Visit("is_dataflow", &is_dataflow);
    v->Visit("emitted_vars", &emitted_vars);
    v->Visit("output_vars", &output_vars);
    // `block_ended` is not visited.
  }
 
  static constexpr const char* _type_key = "script.ir_builder.relax.BlockFrame";
  TVM_DECLARE_FINAL_OBJECT_INFO(BlockFrameNode, RelaxFrameNode);
 
 public:
  void EnterWithScope() final;
  void ExitWithScope() final;
};
 
class BlockFrame : public RelaxFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(BlockFrame, RelaxFrame, BlockFrameNode);
};
 
class IfFrameNode : public RelaxFrameNode {
 public:
  tvm::relax::Expr condition;
  Optional<tvm::relax::Expr> then_expr;
  Optional<tvm::relax::Expr> else_expr;
  tvm::relax::Var var;
  String var_name;
 
  void VisitAttrs(tvm::AttrVisitor* v) {
    RelaxFrameNode::VisitAttrs(v);
    v->Visit("condition", &condition);
    v->Visit("then_expr", &then_expr);
    v->Visit("else_expr", &else_expr);
    v->Visit("var", &var);
    v->Visit("var_name", &var_name);
  }
 
  static constexpr const char* _type_key = "script.ir_builder.relax.IfFrame";
  TVM_DECLARE_FINAL_OBJECT_INFO(IfFrameNode, RelaxFrameNode);
 
 public:
  void EnterWithScope() final;
  void ExitWithScope() final;
};
 
class IfFrame : public RelaxFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(IfFrame, RelaxFrame, IfFrameNode);
};
 
class ThenFrameNode : public SeqExprFrameNode {
 public:
  static constexpr const char* _type_key = "script.ir_builder.relax.ThenFrame";
  TVM_DECLARE_FINAL_OBJECT_INFO(ThenFrameNode, SeqExprFrameNode);
 
 public:
  void EnterWithScope() final;
  void ExitWithScope() final;
};
 
class ThenFrame : public SeqExprFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(ThenFrame, SeqExprFrame, ThenFrameNode);
};
 
class ElseFrameNode : public SeqExprFrameNode {
 public:
  static constexpr const char* _type_key = "script.ir_builder.relax.ElseFrame";
  TVM_DECLARE_FINAL_OBJECT_INFO(ElseFrameNode, SeqExprFrameNode);
 
 public:
  void EnterWithScope() final;
  void ExitWithScope() final;
};
 
class ElseFrame : public SeqExprFrame {
 public:
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(ElseFrame, SeqExprFrame, ElseFrameNode);
};
 
}  // namespace relax
}  // namespace ir_builder
}  // namespace script
}  // namespace tvm
 
#endif  // TVM_SCRIPT_IR_BUILDER_RELAX_FRAME_H_