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
|
/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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 "builder.h"
#include "dex_instruction.h"
#include "nodes.h"
#include "optimizing_unit_test.h"
#include "gtest/gtest.h"
namespace art {
/**
* Check that the HGraphBuilder adds suspend checks to backward branches.
*/
static void TestCode(const uint16_t* data) {
ArenaPool pool;
ArenaAllocator allocator(&pool);
HGraph* graph = CreateGraph(&allocator);
HGraphBuilder builder(graph);
const DexFile::CodeItem* item = reinterpret_cast<const DexFile::CodeItem*>(data);
bool graph_built = builder.BuildGraph(*item);
ASSERT_TRUE(graph_built);
HBasicBlock* first_block = graph->GetEntryBlock()->GetSuccessors().Get(0);
HInstruction* first_instruction = first_block->GetFirstInstruction();
// Account for some tests having a store local as first instruction.
ASSERT_TRUE(first_instruction->IsSuspendCheck()
|| first_instruction->GetNext()->IsSuspendCheck());
}
TEST(CodegenTest, CFG1) {
const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
Instruction::NOP,
Instruction::GOTO | 0xFF00);
TestCode(data);
}
TEST(CodegenTest, CFG2) {
const uint16_t data[] = ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO_32, 0, 0);
TestCode(data);
}
TEST(CodegenTest, CFG3) {
const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::IF_EQ, 0xFFFF,
Instruction::RETURN_VOID);
TestCode(data);
}
TEST(CodegenTest, CFG4) {
const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::IF_NE, 0xFFFF,
Instruction::RETURN_VOID);
TestCode(data);
}
TEST(CodegenTest, CFG5) {
const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::IF_EQZ, 0xFFFF,
Instruction::RETURN_VOID);
TestCode(data);
}
TEST(CodegenTest, CFG6) {
const uint16_t data[] = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::IF_NEZ, 0xFFFF,
Instruction::RETURN_VOID);
TestCode(data);
}
} // namespace art
|
