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| /* | ||
| * 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. | ||
| */ | ||
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| /*! | ||
| * \brief Lower logical intrinsics | ||
| * \file lower_logical_intrin.cc | ||
| */ | ||
| #include <tvm/arith/iter_affine_map.h> | ||
| #include <tvm/runtime/registry.h> | ||
| #include <tvm/target/target.h> | ||
| #include <tvm/tir/expr.h> | ||
| #include <tvm/tir/op.h> | ||
| #include <tvm/tir/transform.h> | ||
| #include <tvm/tir/stmt_functor.h> | ||
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| namespace tvm { | ||
| namespace tir { | ||
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| struct LogicalIntrinRegistry { | ||
| static Map<String, PrimFunc> registry; | ||
| }; | ||
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| class LogicalIntrinBufferReplacer : public StmtExprMutator { | ||
| public: | ||
| explicit LogicalIntrinBufferReplacer(Map<Var, Buffer> buffer_var_to_new_buffer) | ||
| : buffer_var_to_new_buffer_(std::move(buffer_var_to_new_buffer)){ | ||
| LOG(INFO) << buffer_var_to_new_buffer_.size(); | ||
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| } | ||
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| PrimExpr VisitExpr_(const VarNode* op) final { | ||
| auto it = buffer_var_to_new_buffer_.find(GetRef<Var>(op)); | ||
| if (it != buffer_var_to_new_buffer_.end()) { | ||
| return (*it).second->data; | ||
| } | ||
| return GetRef<Var>(op); | ||
| } | ||
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| PrimExpr VisitExpr_(const BufferLoadNode* op) final { | ||
| BufferLoad load = Downcast<BufferLoad>(StmtExprMutator::VisitExpr_(op)); | ||
| auto it = buffer_var_to_new_buffer_.find(load->buffer->data); | ||
| if (it != buffer_var_to_new_buffer_.end()) { | ||
| auto *n = load.CopyOnWrite(); | ||
| n->buffer = (*it).second; | ||
| } | ||
| return load; | ||
| } | ||
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| Stmt VisitStmt_(const BufferStoreNode* op) final { | ||
| BufferStore store = Downcast<BufferStore>(StmtExprMutator::VisitStmt_(op)); | ||
| auto it = buffer_var_to_new_buffer_.find(store->buffer->data); | ||
| if (it != buffer_var_to_new_buffer_.end()) { | ||
| auto *n = store.CopyOnWrite(); | ||
| n->buffer = (*it).second; | ||
| } | ||
| return store; | ||
| } | ||
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| private: | ||
| Map<Var, Buffer> buffer_var_to_new_buffer_; | ||
| }; | ||
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| class LogicalIntrinMutator : public StmtMutator { | ||
| public: | ||
| using FLowerLogicalIntrin = runtime::TypedPackedFunc<PrimFunc(PrimExpr)>; | ||
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| explicit LogicalIntrinMutator(const PrimFunc& func) { | ||
| for (const auto& kv : func->buffer_map) { | ||
| const Buffer& buffer = kv.second; | ||
| buffer_data_to_buffer_.Set(buffer->data, buffer); | ||
| } | ||
| } | ||
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| Stmt VisitStmt_(const BlockNode* op) { | ||
| for (const auto& buffer : op->alloc_buffers) { | ||
| buffer_data_to_buffer_.Set(buffer->data, buffer); | ||
| } | ||
| return StmtMutator::VisitStmt_(op); | ||
| } | ||
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| Stmt VisitStmt_(const EvaluateNode* op) { | ||
| static const auto& f_lower_logical_intrin = Op::GetAttrMap<PrimFunc>("FLowerLogicalIntrin"); | ||
| if (const auto* call = op->value.as<CallNode>()) { | ||
| if (const auto* call_op = call->op.as<OpNode>()) { | ||
| PrimFunc f = f_lower_logical_intrin.get(GetRef<Op>(call_op), NullValue<PrimFunc>()); | ||
| if (f.defined()) { | ||
| PrimFunc intrin_impl = f; | ||
| LOG(INFO) << GetRef<Call>(call); | ||
| LOG(INFO) << intrin_impl; | ||
| CHECK(intrin_impl->params.size() == call->args.size()); | ||
| Map<Var, PrimExpr> subst_map; | ||
| for (size_t i = 0; i < call->args.size(); i++) { | ||
| // TODO type check | ||
| subst_map.Set(intrin_impl->params[i], call->args[i]); | ||
| } | ||
| Map<Var, Buffer> new_buffer_map; | ||
| for (size_t i = 0; i < call->args.size(); i++) { | ||
| const auto& param = intrin_impl->params[i]; | ||
| if (const auto* var = param.as<VarNode>()) { | ||
| if (var->dtype.is_handle()) { | ||
| Var buffer_var = Downcast<Var>(param); | ||
| auto it =intrin_impl->buffer_map.find(buffer_var); | ||
| CHECK(it != intrin_impl->buffer_map.end()) << buffer_var; | ||
| if (it != intrin_impl->buffer_map.end()) { | ||
| // TODO check buffer match | ||
| new_buffer_map.Set((*it).second->data, buffer_data_to_buffer_.at(Downcast<Var>(call->args[i]))); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| auto body = Substitute(intrin_impl->body, subst_map); | ||
| return LogicalIntrinBufferReplacer(new_buffer_map)(body); | ||
| } | ||
| } | ||
| } | ||
| return StmtMutator::VisitStmt_(op); | ||
| } | ||
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| Map<Var, Buffer> buffer_data_to_buffer_; | ||
| }; | ||
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| namespace transform { | ||
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| Pass LowerLogicalIntrin() { | ||
| auto pass_func = [](PrimFunc f, IRModule m, PassContext ctx) { | ||
| auto* n = f.CopyOnWrite(); | ||
| n->body = LogicalIntrinMutator(f)(std::move(f->body)); | ||
| LOG(INFO) << "LowerLogicalIntrin Out:\n" << f; | ||
| return f; | ||
| }; | ||
| return CreatePrimFuncPass(pass_func, 0, "tir.LowerLogicalLayout", {}); | ||
| } | ||
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| TVM_REGISTER_GLOBAL("tir.transform.LowerLogicalIntrin").set_body_typed(LowerLogicalIntrin); | ||
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| } // namespace transform | ||
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| } // namespace tir | ||
| } // namespace tvm |
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