trt_graph_fuse_pass.h 1.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed 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.

#pragma once
16
#include <mlir/Pass/Pass.h>
17
#include "paddle/infrt/dialect/infrt_base.h"
18 19 20 21 22 23 24 25 26 27

namespace infrt {
namespace trt {
/*
 * trtGraphFusePass.
 *
 * Merge the adjacent graph op to a new graph op.
 *
 * source func:
 *
S
Shang Zhizhou 已提交
28 29
 * func @main(%a : tensor<?xf32>) -> tensor<?xf32> {
 *  %c = "pd.graph"(%a) {
30
 *     %m = "pd.conv2d"(%a)...
S
Shang Zhizhou 已提交
31
 *     "infrt.return" (%m)
32
 *  } ...
S
Shang Zhizhou 已提交
33
 *  %d = "pd.graph"(%c) {
34
 *      %m = "pd.conv3d"(%c)...
S
Shang Zhizhou 已提交
35
 *      "infrt.return" (%m)
36
 *  } ...
S
Shang Zhizhou 已提交
37
 *  %f = "pd.graph"(%a) {
38
 *      %m = "pd.conv2d"(%a)...
S
Shang Zhizhou 已提交
39
 *      "infrt.return" (%m)
40
 *  } ...
S
Shang Zhizhou 已提交
41 42
 *  "infrt.return" (%d, %f)..
 * }
43 44
 *
 * destination func:
S
Shang Zhizhou 已提交
45 46
 * func @main(%a : tensor<?xf32>) -> tensor<?xf32> {
 *  %d, %f = "pd.graph"(%a) {
47 48 49
 *     %m = "pd.conv2d"(%a)...
 *     %n = "pd.conv3d"(%m)...
 *     %s = "pd.conv2d"(%a)...
S
Shang Zhizhou 已提交
50
 *     "infrt.return" (%n, %s)
51
 *  } ...
S
Shang Zhizhou 已提交
52
 *  "infrt.return" (%d, %f)
53 54
 * }
 */
55 56
class TRTGraphFusePass
    : public mlir::PassWrapper<TRTGraphFusePass, mlir::FunctionPass> {
57
 public:
S
Shang Zhizhou 已提交
58
  void getDependentDialects(mlir::DialectRegistry &registry) const override {}
59 60 61 62 63
  ::llvm::StringRef getName() const override { return "trtGraphFusePass"; }
  void runOnFunction() override;
};
}  // namespace trt
}  // namespace infrt