wehub-resource-sync
103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
// Copyright (c) 2021 CINN Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "paddle/cinn/ir/utils/ir_replace.h"
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#include <set>
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#include "paddle/cinn/ir/ir_mutator.h"
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#include "paddle/cinn/ir/ir_printer.h"
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#include "paddle/cinn/ir/utils/ir_copy.h"
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#include "paddle/cinn/utils/string.h"
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namespace cinn {
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namespace ir {
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namespace ir_utils {
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using utils::GetStreamCnt;
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namespace {
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struct IrReplaceVarBroadcastMutator : ir::IRMutator<Expr*> {
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std::set<ir::IrNodeTy> valid_nodetys{
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{ir::IrNodeTy::Broadcast, ir::IrNodeTy::_Var_}};
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IrReplaceVarBroadcastMutator(ir::Expr from, Expr to)
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: from_(from), to_(to), from_repr_(GetStreamCnt(from)) {
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PADDLE_ENFORCE_EQ(valid_nodetys.count(from->node_type()),
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true,
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::common::errors::InvalidArgument(
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"Not valid node type got %s", from->node_type()));
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}
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void operator()(Expr* expr) { ir::IRMutator<>::Visit(expr, expr); }
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private:
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void Visit(const ir::_Var_* op, Expr* expr) override {
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if (op->node_type() == from_->node_type() &&
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from_repr_ == GetStreamCnt(*expr)) {
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*expr = ir::ir_utils::IRCopy(to_);
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}
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}
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void Visit(const ir::Broadcast* op, Expr* expr) override {
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if (op->node_type() == from_->node_type() &&
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from_repr_ == GetStreamCnt(*expr)) {
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*expr = ir::ir_utils::IRCopy(to_, /* copy_buffer_node = */ false);
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}
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}
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std::string from_repr_;
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ir::Expr from_;
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Expr to_;
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};
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struct IrReplaceMutator : ir::IRMutator<Expr*> {
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IrReplaceMutator(ir::Expr from, Expr to)
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: from_(from), to_(to), from_repr_(GetStreamCnt(from)) {}
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void operator()(Expr* expr) { ir::IRMutator<>::Visit(expr, expr); }
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void Visit(const Expr* op, Expr* expr) override {
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ir::IRMutator<>::Visit(expr, expr);
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if (from_repr_ == GetStreamCnt(*expr)) {
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*expr = ir::ir_utils::IRCopy(to_, /* copy_buffer_node = */ false);
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}
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}
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std::string from_repr_;
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ir::Expr from_;
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Expr to_;
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};
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} // namespace
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void IrReplaceVarBroadcast(ir::Expr* expr, ir::Expr from, ir::Expr to) {
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PADDLE_ENFORCE_NE(
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expr,
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nullptr,
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::common::errors::InvalidArgument("Input expr should not be nullptr"));
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IrReplaceVarBroadcastMutator(from, to)(expr);
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}
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void IrReplace(ir::Expr* expr, ir::Expr from, ir::Expr to) {
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PADDLE_ENFORCE_NE(
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expr,
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nullptr,
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::common::errors::InvalidArgument("Input expr should not be nullptr"));
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IrReplaceMutator(from, to)(expr);
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}
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} // namespace ir_utils
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} // namespace ir
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} // namespace cinn
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