1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "unit_test.h"
17 #include "panda_runner.h"
18 #include "runtime/jit/profiling_data.h"
19
20 namespace panda::test {
21 class ProfilingRunnerTest : public testing::Test {
22 };
23
24 static constexpr auto SOURCE = R"(
25 .function void main() <static> {
26 movi v0, 0x2
27 movi v1, 0x0
28 jump_label_1: lda v1
29 jge v0, jump_label_0
30 call.short foo
31 inci v1, 0x1
32 jmp jump_label_1
33 jump_label_0: return.void
34 }
35
36 .function i32 foo() <static> {
37 movi v0, 0x64
38 movi v1, 0x0
39 mov v2, v1
40 jump_label_3: lda v2
41 jge v0, jump_label_0
42 lda v2
43 modi 0x3
44 jnez jump_label_1
45 lda v1
46 addi 0x2
47 sta v3
48 mov v1, v3
49 jmp jump_label_2
50 jump_label_1: lda v1
51 addi 0x3
52 sta v3
53 mov v1, v3
54 jump_label_2: inci v2, 0x1
55 jmp jump_label_3
56 jump_label_0: lda v1
57 return
58 }
59 )";
60
TEST_F(ProfilingRunnerTest,BranchStatistics)61 TEST_F(ProfilingRunnerTest, BranchStatistics)
62 {
63 PandaRunner runner;
64 runner.GetRuntimeOptions().SetCompilerProfilingThreshold(1);
65 auto runtime = runner.CreateRuntime();
66 runner.Run(runtime, SOURCE, std::vector<std::string> {});
67 auto method = runner.GetMethod("foo");
68 auto profiling_data = method->GetProfilingData();
69 ASSERT_EQ(132, profiling_data->GetBranchTakenCounter(0x10));
70 ASSERT_EQ(199, profiling_data->GetBranchNotTakenCounter(0x09));
71 ASSERT_EQ(67, profiling_data->GetBranchNotTakenCounter(0x10));
72 Runtime::Destroy();
73 }
74 } // namespace panda::test
75