1 /*
2 * Copyright 2017, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "transformer.h"
18
19 #include "file_utils.h"
20 #include "spirit.h"
21 #include "test_utils.h"
22 #include "gtest/gtest.h"
23
24 #include <stdint.h>
25
26 namespace android {
27 namespace spirit {
28
29 namespace {
30
31 class MulToAddTransformer : public Transformer {
32 public:
transform(IMulInst * mul)33 Instruction *transform(IMulInst *mul) override {
34 auto ret = new IAddInst(mul->mResultType, mul->mOperand1, mul->mOperand2);
35 ret->setId(mul->getId());
36 return ret;
37 }
38 };
39
40 class Deleter : public Transformer {
41 public:
transform(IMulInst *)42 Instruction *transform(IMulInst *) override { return nullptr; }
43 };
44
45 class NewDataTypeTransformer : public Transformer {
46 public:
transform(IMulInst * mul)47 Instruction *transform(IMulInst *mul) override {
48 insert(mul);
49 auto *DoubleTy = getModule()->getFloatType(64);
50 ConstantInst *ConstDouble2 = getModule()->getConstant(DoubleTy, 2.0);
51 auto ret = new IAddInst(DoubleTy, mul, ConstDouble2);
52
53 IdResult id = ret->getId();
54 ret->setId(mul->getId());
55 mul->setId(id);
56
57 return ret;
58 }
59 };
60
61 } // annonymous namespace
62
63 class TransformerTest : public ::testing::Test {
64 protected:
SetUp()65 virtual void SetUp() { mWordsGreyscale = readWords("greyscale.spv"); }
66
67 std::vector<uint32_t> mWordsGreyscale;
68
69 private:
readWords(const char * testFile)70 std::vector<uint32_t> readWords(const char *testFile) {
71 static const std::string testDataPath(
72 "frameworks/rs/rsov/compiler/spirit/test_data/");
73 const std::string &fullPath = getAbsolutePath(testDataPath + testFile);
74 return readFile<uint32_t>(fullPath);
75 }
76 };
77
TEST_F(TransformerTest,testMulToAdd)78 TEST_F(TransformerTest, testMulToAdd) {
79 std::unique_ptr<Module> m(Deserialize<Module>(mWordsGreyscale));
80
81 ASSERT_NE(nullptr, m);
82
83 EXPECT_EQ(1, countEntity<IAddInst>(m.get()));
84 EXPECT_EQ(1, countEntity<IMulInst>(m.get()));
85
86 MulToAddTransformer trans;
87 std::unique_ptr<Module> m1(trans.run(m.get()));
88
89 ASSERT_NE(nullptr, m1);
90
91 ASSERT_TRUE(m1->resolveIds());
92
93 EXPECT_EQ(2, countEntity<IAddInst>(m1.get()));
94 EXPECT_EQ(0, countEntity<IMulInst>(m1.get()));
95 }
96
TEST_F(TransformerTest,testDeletion)97 TEST_F(TransformerTest, testDeletion) {
98 std::unique_ptr<Module> m(Deserialize<Module>(mWordsGreyscale));
99
100 ASSERT_NE(nullptr, m.get());
101
102 EXPECT_EQ(1, countEntity<IMulInst>(m.get()));
103
104 Deleter trans;
105 std::unique_ptr<Module> m1(trans.run(m.get()));
106
107 ASSERT_NE(nullptr, m1.get());
108
109 EXPECT_EQ(1, countEntity<IAddInst>(m1.get()));
110 EXPECT_EQ(0, countEntity<IMulInst>(m1.get()));
111 }
112
TEST_F(TransformerTest,testAddInstructionUsingNewDataType)113 TEST_F(TransformerTest, testAddInstructionUsingNewDataType) {
114 std::unique_ptr<Module> m(Deserialize<Module>(mWordsGreyscale));
115
116 ASSERT_NE(nullptr, m.get());
117
118 EXPECT_EQ(5, countEntity<ConstantInst>(m.get()));
119 EXPECT_EQ(1, countEntity<TypeFloatInst>(m.get()));
120 EXPECT_EQ(1, countEntity<IMulInst>(m.get()));
121
122 NewDataTypeTransformer trans;
123 std::unique_ptr<Module> m1(trans.run(m.get()));
124
125 ASSERT_NE(nullptr, m1.get());
126
127 EXPECT_EQ(6, countEntity<ConstantInst>(m.get()));
128 EXPECT_EQ(2, countEntity<TypeFloatInst>(m1.get()));
129 EXPECT_EQ(2, countEntity<IAddInst>(m1.get()));
130 EXPECT_EQ(1, countEntity<IMulInst>(m1.get()));
131 }
132
133 } // namespace spirit
134 } // namespace android
135