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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/*
* Copyright (C) 2012 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 "ir_builder.h"
#include "stringprintf.h"
#include <llvm/Module.h>
namespace art {
namespace compiler_llvm {
//----------------------------------------------------------------------------
// General
//----------------------------------------------------------------------------
IRBuilder::IRBuilder(llvm::LLVMContext& context, llvm::Module& module)
: LLVMIRBuilder(context), module_(&module), mdb_(context) {
// Get java object type from module
llvm::Type* jobject_struct_type = module.getTypeByName("JavaObject");
CHECK(jobject_struct_type != NULL);
jobject_type_ = jobject_struct_type->getPointerTo();
// Create JEnv* type
llvm::Type* jenv_struct_type = llvm::StructType::create(context, "JEnv");
jenv_type_ = jenv_struct_type->getPointerTo();
// Get Art shadow frame struct type from module
art_frame_type_ = module.getTypeByName("ShadowFrame");
CHECK(art_frame_type_ != NULL);
runtime_support_ = NULL;
}
//----------------------------------------------------------------------------
// Type Helper Function
//----------------------------------------------------------------------------
llvm::Type* IRBuilder::getJTypeInAccurateSpace(JType jty) {
switch (jty) {
case kVoid:
return getJVoidTy();
case kBoolean:
return getJBooleanTy();
case kByte:
return getJByteTy();
case kChar:
return getJCharTy();
case kShort:
return getJShortTy();
case kInt:
return getJIntTy();
case kLong:
return getJLongTy();
case kFloat:
return getJFloatTy();
case kDouble:
return getJDoubleTy();
case kObject:
return getJObjectTy();
default:
LOG(FATAL) << "Unknown java type: " << jty;
return NULL;
}
}
llvm::Type* IRBuilder::getJTypeInRegSpace(JType jty) {
RegCategory regcat = GetRegCategoryFromJType(jty);
switch (regcat) {
case kRegUnknown:
case kRegZero:
LOG(FATAL) << "Register category \"Unknown\" or \"Zero\" does not have "
<< "the LLVM type";
return NULL;
case kRegCat1nr:
return getInt32Ty();
case kRegCat2:
return getInt64Ty();
case kRegObject:
return getJObjectTy();
}
LOG(FATAL) << "Unknown register category: " << regcat;
return NULL;
}
llvm::Type* IRBuilder::getJTypeInArraySpace(JType jty) {
switch (jty) {
case kVoid:
LOG(FATAL) << "void type should not be used in array type space";
return NULL;
case kBoolean:
case kByte:
return getInt8Ty();
case kChar:
case kShort:
return getInt16Ty();
case kInt:
return getInt32Ty();
case kLong:
return getInt64Ty();
case kFloat:
return getFloatTy();
case kDouble:
return getDoubleTy();
case kObject:
return getJObjectTy();
default:
LOG(FATAL) << "Unknown java type: " << jty;
return NULL;
}
}
llvm::StructType* IRBuilder::getShadowFrameTy(uint32_t sirt_size, uint32_t vreg_size) {
std::string name(StringPrintf("ShadowFrame%u_vreg%u", sirt_size, vreg_size));
// Try to find the existing struct type definition
if (llvm::Type* type = module_->getTypeByName(name)) {
CHECK(llvm::isa<llvm::StructType>(type));
return static_cast<llvm::StructType*>(type);
}
// Create new struct type definition
llvm::Type* elem_types[] = {
art_frame_type_,
llvm::ArrayType::get(jobject_type_, sirt_size),
llvm::ArrayType::get(getInt32Ty(), vreg_size),
};
return llvm::StructType::create(elem_types, name);
}
} // namespace compiler_llvm
} // namespace art
|