wehub-resource-sync
61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
// Copyright (c) 2024 PaddlePaddle 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/optim/remove_schedule_block_pass.h"
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#include "paddle/cinn/optim/replace_var_with_expr.h"
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namespace cinn {
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namespace optim {
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using ir::stmt::BlockRef;
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using ir::stmt::StmtRef;
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LogicalResult RemoveScheduleBlockPass::Run(ir::stmt::BlockRef block) {
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const auto& MergeStmtVector = [&](std::vector<StmtRef>& dest,
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const std::vector<StmtRef>& source) {
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dest.insert(dest.end(), source.begin(), source.end());
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};
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const std::vector<StmtRef>& stmts = block->stmts();
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std::vector<StmtRef> new_stmts;
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for (const StmtRef& stmt : stmts) {
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if (!stmt.isa<ir::stmt::Schedule>()) {
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new_stmts.push_back(stmt);
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continue;
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}
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const ir::stmt::Schedule schedule_stmt = stmt.as<ir::stmt::Schedule>();
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const std::vector<Expr> iter_values = schedule_stmt->iter_values();
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const BlockRef body = schedule_stmt->body();
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const std::vector<Var> iter_vars = schedule_stmt->iter_vars();
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PADDLE_ENFORCE_EQ(iter_vars.size(),
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iter_values.size(),
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::common::errors::InvalidArgument(
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"The size of iter vars and iter values is not equal,"
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"where iter vars:%d but iter values:%d.",
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iter_vars.size(),
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iter_values.size()));
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for (int i = 0; i < iter_vars.size(); i++) {
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optim::ReplaceVarWithExpr(body, iter_vars[i], iter_values[i], "");
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}
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MergeStmtVector(new_stmts, body->stmts());
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}
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block->set_stmts(new_stmts);
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return LogicalResult::success();
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}
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std::unique_ptr<BlockPass> CreateRemoveScheduleBlockPass() {
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return std::make_unique<RemoveScheduleBlockPass>();
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}
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} // namespace optim
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} // namespace cinn
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