1 //===- llvm/unittest/TypeBuilderTest.cpp - TypeBuilder tests --------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/IR/TypeBuilder.h"
11 #include "llvm/IR/LLVMContext.h"
12 #include "gtest/gtest.h"
13
14 using namespace llvm;
15
16 namespace {
17
TEST(TypeBuilderTest,Void)18 TEST(TypeBuilderTest, Void) {
19 LLVMContext Context;
20 EXPECT_EQ(Type::getVoidTy(Context), (TypeBuilder<void, true>::get(Context)));
21 EXPECT_EQ(Type::getVoidTy(Context), (TypeBuilder<void, false>::get(Context)));
22 // Special cases for C compatibility:
23 EXPECT_EQ(Type::getInt8PtrTy(Context),
24 (TypeBuilder<void *, false>::get(Context)));
25 EXPECT_EQ(Type::getInt8PtrTy(Context),
26 (TypeBuilder<const void *, false>::get(Context)));
27 EXPECT_EQ(Type::getInt8PtrTy(Context),
28 (TypeBuilder<volatile void *, false>::get(Context)));
29 EXPECT_EQ(Type::getInt8PtrTy(Context),
30 (TypeBuilder<const volatile void *, false>::get(Context)));
31 }
32
TEST(TypeBuilderTest,HostIntegers)33 TEST(TypeBuilderTest, HostIntegers) {
34 LLVMContext Context;
35 EXPECT_EQ(Type::getInt8Ty(Context),
36 (TypeBuilder<int8_t, false>::get(Context)));
37 EXPECT_EQ(Type::getInt8Ty(Context),
38 (TypeBuilder<uint8_t, false>::get(Context)));
39 EXPECT_EQ(Type::getInt16Ty(Context),
40 (TypeBuilder<int16_t, false>::get(Context)));
41 EXPECT_EQ(Type::getInt16Ty(Context),
42 (TypeBuilder<uint16_t, false>::get(Context)));
43 EXPECT_EQ(Type::getInt32Ty(Context),
44 (TypeBuilder<int32_t, false>::get(Context)));
45 EXPECT_EQ(Type::getInt32Ty(Context),
46 (TypeBuilder<uint32_t, false>::get(Context)));
47 EXPECT_EQ(Type::getInt64Ty(Context),
48 (TypeBuilder<int64_t, false>::get(Context)));
49 EXPECT_EQ(Type::getInt64Ty(Context),
50 (TypeBuilder<uint64_t, false>::get(Context)));
51
52 EXPECT_EQ(IntegerType::get(Context, sizeof(size_t) * CHAR_BIT),
53 (TypeBuilder<size_t, false>::get(Context)));
54 EXPECT_EQ(IntegerType::get(Context, sizeof(ptrdiff_t) * CHAR_BIT),
55 (TypeBuilder<ptrdiff_t, false>::get(Context)));
56 }
57
TEST(TypeBuilderTest,CrossCompilableIntegers)58 TEST(TypeBuilderTest, CrossCompilableIntegers) {
59 LLVMContext Context;
60 EXPECT_EQ(IntegerType::get(Context, 1),
61 (TypeBuilder<types::i<1>, true>::get(Context)));
62 EXPECT_EQ(IntegerType::get(Context, 1),
63 (TypeBuilder<types::i<1>, false>::get(Context)));
64 EXPECT_EQ(IntegerType::get(Context, 72),
65 (TypeBuilder<types::i<72>, true>::get(Context)));
66 EXPECT_EQ(IntegerType::get(Context, 72),
67 (TypeBuilder<types::i<72>, false>::get(Context)));
68 }
69
TEST(TypeBuilderTest,Float)70 TEST(TypeBuilderTest, Float) {
71 LLVMContext Context;
72 EXPECT_EQ(Type::getFloatTy(Context),
73 (TypeBuilder<float, false>::get(Context)));
74 EXPECT_EQ(Type::getDoubleTy(Context),
75 (TypeBuilder<double, false>::get(Context)));
76 // long double isn't supported yet.
77 EXPECT_EQ(Type::getFloatTy(Context),
78 (TypeBuilder<types::ieee_float, true>::get(Context)));
79 EXPECT_EQ(Type::getFloatTy(Context),
80 (TypeBuilder<types::ieee_float, false>::get(Context)));
81 EXPECT_EQ(Type::getDoubleTy(Context),
82 (TypeBuilder<types::ieee_double, true>::get(Context)));
83 EXPECT_EQ(Type::getDoubleTy(Context),
84 (TypeBuilder<types::ieee_double, false>::get(Context)));
85 EXPECT_EQ(Type::getX86_FP80Ty(Context),
86 (TypeBuilder<types::x86_fp80, true>::get(Context)));
87 EXPECT_EQ(Type::getX86_FP80Ty(Context),
88 (TypeBuilder<types::x86_fp80, false>::get(Context)));
89 EXPECT_EQ(Type::getFP128Ty(Context),
90 (TypeBuilder<types::fp128, true>::get(Context)));
91 EXPECT_EQ(Type::getFP128Ty(Context),
92 (TypeBuilder<types::fp128, false>::get(Context)));
93 EXPECT_EQ(Type::getPPC_FP128Ty(Context),
94 (TypeBuilder<types::ppc_fp128, true>::get(Context)));
95 EXPECT_EQ(Type::getPPC_FP128Ty(Context),
96 (TypeBuilder<types::ppc_fp128, false>::get(Context)));
97 }
98
TEST(TypeBuilderTest,Derived)99 TEST(TypeBuilderTest, Derived) {
100 LLVMContext Context;
101 EXPECT_EQ(PointerType::getUnqual(Type::getInt8PtrTy(Context)),
102 (TypeBuilder<int8_t **, false>::get(Context)));
103 EXPECT_EQ(ArrayType::get(Type::getInt8Ty(Context), 7),
104 (TypeBuilder<int8_t[7], false>::get(Context)));
105 EXPECT_EQ(ArrayType::get(Type::getInt8Ty(Context), 0),
106 (TypeBuilder<int8_t[], false>::get(Context)));
107
108 EXPECT_EQ(PointerType::getUnqual(Type::getInt8PtrTy(Context)),
109 (TypeBuilder<types::i<8> **, false>::get(Context)));
110 EXPECT_EQ(ArrayType::get(Type::getInt8Ty(Context), 7),
111 (TypeBuilder<types::i<8>[7], false>::get(Context)));
112 EXPECT_EQ(ArrayType::get(Type::getInt8Ty(Context), 0),
113 (TypeBuilder<types::i<8>[], false>::get(Context)));
114
115 EXPECT_EQ(PointerType::getUnqual(Type::getInt8PtrTy(Context)),
116 (TypeBuilder<types::i<8> **, true>::get(Context)));
117 EXPECT_EQ(ArrayType::get(Type::getInt8Ty(Context), 7),
118 (TypeBuilder<types::i<8>[7], true>::get(Context)));
119 EXPECT_EQ(ArrayType::get(Type::getInt8Ty(Context), 0),
120 (TypeBuilder<types::i<8>[], true>::get(Context)));
121
122 EXPECT_EQ(Type::getInt8Ty(Context),
123 (TypeBuilder<const int8_t, false>::get(Context)));
124 EXPECT_EQ(Type::getInt8Ty(Context),
125 (TypeBuilder<volatile int8_t, false>::get(Context)));
126 EXPECT_EQ(Type::getInt8Ty(Context),
127 (TypeBuilder<const volatile int8_t, false>::get(Context)));
128
129 EXPECT_EQ(Type::getInt8Ty(Context),
130 (TypeBuilder<const types::i<8>, false>::get(Context)));
131 EXPECT_EQ(Type::getInt8Ty(Context),
132 (TypeBuilder<volatile types::i<8>, false>::get(Context)));
133 EXPECT_EQ(Type::getInt8Ty(Context),
134 (TypeBuilder<const volatile types::i<8>, false>::get(Context)));
135
136 EXPECT_EQ(Type::getInt8Ty(Context),
137 (TypeBuilder<const types::i<8>, true>::get(Context)));
138 EXPECT_EQ(Type::getInt8Ty(Context),
139 (TypeBuilder<volatile types::i<8>, true>::get(Context)));
140 EXPECT_EQ(Type::getInt8Ty(Context),
141 (TypeBuilder<const volatile types::i<8>, true>::get(Context)));
142
143 EXPECT_EQ(Type::getInt8PtrTy(Context),
144 (TypeBuilder<const volatile int8_t *const volatile, false>::get(
145 Context)));
146 }
147
TEST(TypeBuilderTest,Functions)148 TEST(TypeBuilderTest, Functions) {
149 LLVMContext Context;
150 std::vector<Type*> params;
151 EXPECT_EQ(FunctionType::get(Type::getVoidTy(Context), params, false),
152 (TypeBuilder<void(), true>::get(Context)));
153 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, true),
154 (TypeBuilder<int8_t(...), false>::get(Context)));
155 params.push_back(TypeBuilder<int32_t *, false>::get(Context));
156 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, false),
157 (TypeBuilder<int8_t(const int32_t *), false>::get(Context)));
158 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, true),
159 (TypeBuilder<int8_t(const int32_t *, ...), false>::get(Context)));
160 params.push_back(TypeBuilder<char *, false>::get(Context));
161 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, false),
162 (TypeBuilder<int8_t(int32_t *, void *), false>::get(Context)));
163 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, true),
164 (TypeBuilder<int8_t(int32_t *, char *, ...), false>::get(Context)));
165 params.push_back(TypeBuilder<char, false>::get(Context));
166 EXPECT_EQ(
167 FunctionType::get(Type::getInt8Ty(Context), params, false),
168 (TypeBuilder<int8_t(int32_t *, void *, char), false>::get(Context)));
169 EXPECT_EQ(
170 FunctionType::get(Type::getInt8Ty(Context), params, true),
171 (TypeBuilder<int8_t(int32_t *, char *, char, ...), false>::get(Context)));
172 params.push_back(TypeBuilder<char, false>::get(Context));
173 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, false),
174 (TypeBuilder<int8_t(int32_t *, void *, char, char), false>::get(
175 Context)));
176 EXPECT_EQ(
177 FunctionType::get(Type::getInt8Ty(Context), params, true),
178 (TypeBuilder<int8_t(int32_t *, char *, char, char, ...), false>::get(
179 Context)));
180 params.push_back(TypeBuilder<char, false>::get(Context));
181 EXPECT_EQ(
182 FunctionType::get(Type::getInt8Ty(Context), params, false),
183 (TypeBuilder<int8_t(int32_t *, void *, char, char, char), false>::get(
184 Context)));
185 EXPECT_EQ(FunctionType::get(Type::getInt8Ty(Context), params, true),
186 (TypeBuilder<int8_t(int32_t *, char *, char, char, char, ...),
187 false>::get(Context)));
188 }
189
TEST(TypeBuilderTest,Context)190 TEST(TypeBuilderTest, Context) {
191 // We used to cache TypeBuilder results in static local variables. This
192 // produced the same type for different contexts, which of course broke
193 // things.
194 LLVMContext context1;
195 EXPECT_EQ(&context1,
196 &(TypeBuilder<types::i<1>, true>::get(context1))->getContext());
197 LLVMContext context2;
198 EXPECT_EQ(&context2,
199 &(TypeBuilder<types::i<1>, true>::get(context2))->getContext());
200 }
201
202 struct MyType {
203 int a;
204 int *b;
205 void *array[1];
206 };
207
208 struct MyPortableType {
209 int32_t a;
210 int32_t *b;
211 void *array[1];
212 };
213
214 } // anonymous namespace
215
216 namespace llvm {
217 template<bool cross> class TypeBuilder<MyType, cross> {
218 public:
get(LLVMContext & Context)219 static StructType *get(LLVMContext &Context) {
220 // Using the static result variable ensures that the type is
221 // only looked up once.
222 std::vector<Type*> st;
223 st.push_back(TypeBuilder<int, cross>::get(Context));
224 st.push_back(TypeBuilder<int*, cross>::get(Context));
225 st.push_back(TypeBuilder<void*[], cross>::get(Context));
226 static StructType *const result = StructType::get(Context, st);
227 return result;
228 }
229
230 // You may find this a convenient place to put some constants
231 // to help with getelementptr. They don't have any effect on
232 // the operation of TypeBuilder.
233 enum Fields {
234 FIELD_A,
235 FIELD_B,
236 FIELD_ARRAY
237 };
238 };
239
240 template<bool cross> class TypeBuilder<MyPortableType, cross> {
241 public:
get(LLVMContext & Context)242 static StructType *get(LLVMContext &Context) {
243 // Using the static result variable ensures that the type is
244 // only looked up once.
245 std::vector<Type*> st;
246 st.push_back(TypeBuilder<types::i<32>, cross>::get(Context));
247 st.push_back(TypeBuilder<types::i<32>*, cross>::get(Context));
248 st.push_back(TypeBuilder<types::i<8>*[], cross>::get(Context));
249 static StructType *const result = StructType::get(Context, st);
250 return result;
251 }
252
253 // You may find this a convenient place to put some constants
254 // to help with getelementptr. They don't have any effect on
255 // the operation of TypeBuilder.
256 enum Fields {
257 FIELD_A,
258 FIELD_B,
259 FIELD_ARRAY
260 };
261 };
262 } // namespace llvm
263 namespace {
264
TEST(TypeBuilderTest,Extensions)265 TEST(TypeBuilderTest, Extensions) {
266 LLVMContext Context;
267 EXPECT_EQ(PointerType::getUnqual(StructType::get(
268 TypeBuilder<int, false>::get(Context),
269 TypeBuilder<int *, false>::get(Context),
270 TypeBuilder<void *[], false>::get(Context), (void *)nullptr)),
271 (TypeBuilder<MyType *, false>::get(Context)));
272 EXPECT_EQ(
273 PointerType::getUnqual(StructType::get(
274 TypeBuilder<types::i<32>, false>::get(Context),
275 TypeBuilder<types::i<32> *, false>::get(Context),
276 TypeBuilder<types::i<8> *[], false>::get(Context), (void *)nullptr)),
277 (TypeBuilder<MyPortableType *, false>::get(Context)));
278 EXPECT_EQ(
279 PointerType::getUnqual(StructType::get(
280 TypeBuilder<types::i<32>, false>::get(Context),
281 TypeBuilder<types::i<32> *, false>::get(Context),
282 TypeBuilder<types::i<8> *[], false>::get(Context), (void *)nullptr)),
283 (TypeBuilder<MyPortableType *, true>::get(Context)));
284 }
285
286 } // anonymous namespace
287