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