blob: 7bf1c4926436475ef3cc9971564deaa097da2d06 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. 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.
*/
#include "IntrinsicSelection.h"
#include "coex/IR.h"
namespace
{
/**
* @brief Return a backend-speicific coco (extend) instruction
*
* @note rewrite(ins) returns nullptr if selection fails
*/
coco::Instr *rewrite(coco::Instr *curr)
{
auto m = curr->module();
assert(m != nullptr);
if (auto eval = coco::safe_cast<coco::Eval>(curr))
{
if (auto concat_f = eval->op()->asConcatF())
{
auto fst_load = concat_f->left()->asLoad();
auto snd_load = concat_f->right()->asLoad();
if (fst_load && snd_load && (concat_f->axis() == coco::ConcatF::Axis::Depth))
{
// Here is the pattern of interest
//
// %ofm = eval(ConcatF(Depth, Load(%left), Load(%right)))
//
auto fst_feature = fst_load->object()->asFeature();
auto snd_feature = snd_load->object()->asFeature();
assert((fst_feature != nullptr) && (snd_feature != nullptr));
auto out_feature = eval->out()->asFeature();
assert(out_feature != nullptr);
eval->out(nullptr);
auto depth_concat = m->entity()->instr()->create<ANNDepthConcatF>();
depth_concat->out(out_feature);
depth_concat->fst(fst_feature);
depth_concat->snd(snd_feature);
return depth_concat;
}
return nullptr;
}
}
return nullptr;
}
} // namespace
namespace enco
{
void select_intrinsic(enco::Code *code)
{
auto m = code->module();
for (auto blk = m->block()->head(); blk; blk = blk->next())
{
auto ins = blk->instr()->head();
while (ins)
{
if (auto rewritten_ins = rewrite(ins))
{
rewritten_ins->insertBefore(ins);
ins->detach();
ins = rewritten_ins;
}
ins = ins->next();
}
}
}
} // namespace enco
|
