llvm/unittests/IR/TypeBuilderTest.cpp
2013-01-07 15:35:46 +00:00

254 lines
13 KiB
C++

//===- llvm/unittest/TypeBuilderTest.cpp - TypeBuilder tests --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/TypeBuilder.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/IR/LLVMContext.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(TypeBuilderTest, Void) {
EXPECT_EQ(Type::getVoidTy(getGlobalContext()), (TypeBuilder<void, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getVoidTy(getGlobalContext()), (TypeBuilder<void, false>::get(getGlobalContext())));
// Special cases for C compatibility:
EXPECT_EQ(Type::getInt8PtrTy(getGlobalContext()),
(TypeBuilder<void*, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8PtrTy(getGlobalContext()),
(TypeBuilder<const void*, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8PtrTy(getGlobalContext()),
(TypeBuilder<volatile void*, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8PtrTy(getGlobalContext()),
(TypeBuilder<const volatile void*, false>::get(
getGlobalContext())));
}
TEST(TypeBuilderTest, HostIntegers) {
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()), (TypeBuilder<int8_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()), (TypeBuilder<uint8_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt16Ty(getGlobalContext()), (TypeBuilder<int16_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt16Ty(getGlobalContext()), (TypeBuilder<uint16_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt32Ty(getGlobalContext()), (TypeBuilder<int32_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt32Ty(getGlobalContext()), (TypeBuilder<uint32_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt64Ty(getGlobalContext()), (TypeBuilder<int64_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt64Ty(getGlobalContext()), (TypeBuilder<uint64_t, false>::get(getGlobalContext())));
EXPECT_EQ(IntegerType::get(getGlobalContext(), sizeof(size_t) * CHAR_BIT),
(TypeBuilder<size_t, false>::get(getGlobalContext())));
EXPECT_EQ(IntegerType::get(getGlobalContext(), sizeof(ptrdiff_t) * CHAR_BIT),
(TypeBuilder<ptrdiff_t, false>::get(getGlobalContext())));
}
TEST(TypeBuilderTest, CrossCompilableIntegers) {
EXPECT_EQ(IntegerType::get(getGlobalContext(), 1), (TypeBuilder<types::i<1>, true>::get(getGlobalContext())));
EXPECT_EQ(IntegerType::get(getGlobalContext(), 1), (TypeBuilder<types::i<1>, false>::get(getGlobalContext())));
EXPECT_EQ(IntegerType::get(getGlobalContext(), 72), (TypeBuilder<types::i<72>, true>::get(getGlobalContext())));
EXPECT_EQ(IntegerType::get(getGlobalContext(), 72), (TypeBuilder<types::i<72>, false>::get(getGlobalContext())));
}
TEST(TypeBuilderTest, Float) {
EXPECT_EQ(Type::getFloatTy(getGlobalContext()), (TypeBuilder<float, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getDoubleTy(getGlobalContext()), (TypeBuilder<double, false>::get(getGlobalContext())));
// long double isn't supported yet.
EXPECT_EQ(Type::getFloatTy(getGlobalContext()), (TypeBuilder<types::ieee_float, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getFloatTy(getGlobalContext()), (TypeBuilder<types::ieee_float, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getDoubleTy(getGlobalContext()), (TypeBuilder<types::ieee_double, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getDoubleTy(getGlobalContext()), (TypeBuilder<types::ieee_double, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getX86_FP80Ty(getGlobalContext()), (TypeBuilder<types::x86_fp80, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getX86_FP80Ty(getGlobalContext()), (TypeBuilder<types::x86_fp80, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getFP128Ty(getGlobalContext()), (TypeBuilder<types::fp128, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getFP128Ty(getGlobalContext()), (TypeBuilder<types::fp128, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getPPC_FP128Ty(getGlobalContext()), (TypeBuilder<types::ppc_fp128, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getPPC_FP128Ty(getGlobalContext()), (TypeBuilder<types::ppc_fp128, false>::get(getGlobalContext())));
}
TEST(TypeBuilderTest, Derived) {
EXPECT_EQ(PointerType::getUnqual(Type::getInt8PtrTy(getGlobalContext())),
(TypeBuilder<int8_t**, false>::get(getGlobalContext())));
EXPECT_EQ(ArrayType::get(Type::getInt8Ty(getGlobalContext()), 7),
(TypeBuilder<int8_t[7], false>::get(getGlobalContext())));
EXPECT_EQ(ArrayType::get(Type::getInt8Ty(getGlobalContext()), 0),
(TypeBuilder<int8_t[], false>::get(getGlobalContext())));
EXPECT_EQ(PointerType::getUnqual(Type::getInt8PtrTy(getGlobalContext())),
(TypeBuilder<types::i<8>**, false>::get(getGlobalContext())));
EXPECT_EQ(ArrayType::get(Type::getInt8Ty(getGlobalContext()), 7),
(TypeBuilder<types::i<8>[7], false>::get(getGlobalContext())));
EXPECT_EQ(ArrayType::get(Type::getInt8Ty(getGlobalContext()), 0),
(TypeBuilder<types::i<8>[], false>::get(getGlobalContext())));
EXPECT_EQ(PointerType::getUnqual(Type::getInt8PtrTy(getGlobalContext())),
(TypeBuilder<types::i<8>**, true>::get(getGlobalContext())));
EXPECT_EQ(ArrayType::get(Type::getInt8Ty(getGlobalContext()), 7),
(TypeBuilder<types::i<8>[7], true>::get(getGlobalContext())));
EXPECT_EQ(ArrayType::get(Type::getInt8Ty(getGlobalContext()), 0),
(TypeBuilder<types::i<8>[], true>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<const int8_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<volatile int8_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<const volatile int8_t, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<const types::i<8>, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<volatile types::i<8>, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<const volatile types::i<8>, false>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<const types::i<8>, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<volatile types::i<8>, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8Ty(getGlobalContext()),
(TypeBuilder<const volatile types::i<8>, true>::get(getGlobalContext())));
EXPECT_EQ(Type::getInt8PtrTy(getGlobalContext()),
(TypeBuilder<const volatile int8_t*const volatile, false>::get(getGlobalContext())));
}
TEST(TypeBuilderTest, Functions) {
std::vector<Type*> params;
EXPECT_EQ(FunctionType::get(Type::getVoidTy(getGlobalContext()), params, false),
(TypeBuilder<void(), true>::get(getGlobalContext())));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, true),
(TypeBuilder<int8_t(...), false>::get(getGlobalContext())));
params.push_back(TypeBuilder<int32_t*, false>::get(getGlobalContext()));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, false),
(TypeBuilder<int8_t(const int32_t*), false>::get(getGlobalContext())));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, true),
(TypeBuilder<int8_t(const int32_t*, ...), false>::get(getGlobalContext())));
params.push_back(TypeBuilder<char*, false>::get(getGlobalContext()));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, false),
(TypeBuilder<int8_t(int32_t*, void*), false>::get(getGlobalContext())));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, true),
(TypeBuilder<int8_t(int32_t*, char*, ...), false>::get(getGlobalContext())));
params.push_back(TypeBuilder<char, false>::get(getGlobalContext()));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, false),
(TypeBuilder<int8_t(int32_t*, void*, char), false>::get(getGlobalContext())));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, true),
(TypeBuilder<int8_t(int32_t*, char*, char, ...), false>::get(getGlobalContext())));
params.push_back(TypeBuilder<char, false>::get(getGlobalContext()));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, false),
(TypeBuilder<int8_t(int32_t*, void*, char, char), false>::get(getGlobalContext())));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, true),
(TypeBuilder<int8_t(int32_t*, char*, char, char, ...),
false>::get(getGlobalContext())));
params.push_back(TypeBuilder<char, false>::get(getGlobalContext()));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, false),
(TypeBuilder<int8_t(int32_t*, void*, char, char, char),
false>::get(getGlobalContext())));
EXPECT_EQ(FunctionType::get(Type::getInt8Ty(getGlobalContext()), params, true),
(TypeBuilder<int8_t(int32_t*, char*, char, char, char, ...),
false>::get(getGlobalContext())));
}
TEST(TypeBuilderTest, Context) {
// We used to cache TypeBuilder results in static local variables. This
// produced the same type for different contexts, which of course broke
// things.
LLVMContext context1;
EXPECT_EQ(&context1,
&(TypeBuilder<types::i<1>, true>::get(context1))->getContext());
LLVMContext context2;
EXPECT_EQ(&context2,
&(TypeBuilder<types::i<1>, true>::get(context2))->getContext());
}
struct MyType {
int a;
int *b;
void *array[1];
};
struct MyPortableType {
int32_t a;
int32_t *b;
void *array[1];
};
} // anonymous namespace
namespace llvm {
template<bool cross> class TypeBuilder<MyType, cross> {
public:
static StructType *get(LLVMContext &Context) {
// Using the static result variable ensures that the type is
// only looked up once.
std::vector<Type*> st;
st.push_back(TypeBuilder<int, cross>::get(Context));
st.push_back(TypeBuilder<int*, cross>::get(Context));
st.push_back(TypeBuilder<void*[], cross>::get(Context));
static StructType *const result = StructType::get(Context, st);
return result;
}
// You may find this a convenient place to put some constants
// to help with getelementptr. They don't have any effect on
// the operation of TypeBuilder.
enum Fields {
FIELD_A,
FIELD_B,
FIELD_ARRAY
};
};
template<bool cross> class TypeBuilder<MyPortableType, cross> {
public:
static StructType *get(LLVMContext &Context) {
// Using the static result variable ensures that the type is
// only looked up once.
std::vector<Type*> st;
st.push_back(TypeBuilder<types::i<32>, cross>::get(Context));
st.push_back(TypeBuilder<types::i<32>*, cross>::get(Context));
st.push_back(TypeBuilder<types::i<8>*[], cross>::get(Context));
static StructType *const result = StructType::get(Context, st);
return result;
}
// You may find this a convenient place to put some constants
// to help with getelementptr. They don't have any effect on
// the operation of TypeBuilder.
enum Fields {
FIELD_A,
FIELD_B,
FIELD_ARRAY
};
};
} // namespace llvm
namespace {
TEST(TypeBuilderTest, Extensions) {
EXPECT_EQ(PointerType::getUnqual(StructType::get(
TypeBuilder<int, false>::get(getGlobalContext()),
TypeBuilder<int*, false>::get(getGlobalContext()),
TypeBuilder<void*[], false>::get(getGlobalContext()),
(void*)0)),
(TypeBuilder<MyType*, false>::get(getGlobalContext())));
EXPECT_EQ(PointerType::getUnqual(StructType::get(
TypeBuilder<types::i<32>, false>::get(getGlobalContext()),
TypeBuilder<types::i<32>*, false>::get(getGlobalContext()),
TypeBuilder<types::i<8>*[], false>::get(getGlobalContext()),
(void*)0)),
(TypeBuilder<MyPortableType*, false>::get(getGlobalContext())));
EXPECT_EQ(PointerType::getUnqual(StructType::get(
TypeBuilder<types::i<32>, false>::get(getGlobalContext()),
TypeBuilder<types::i<32>*, false>::get(getGlobalContext()),
TypeBuilder<types::i<8>*[], false>::get(getGlobalContext()),
(void*)0)),
(TypeBuilder<MyPortableType*, true>::get(getGlobalContext())));
}
} // anonymous namespace