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Add a new TypeBuilder helper class, which eases making LLVM IR types.
Patch by Jeffrey Yasskin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70084 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
233
unittests/Support/TypeBuilderTest.cpp
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233
unittests/Support/TypeBuilderTest.cpp
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//===- llvm/unittest/Support/TypeBuilderTest.cpp - TypeBuilder tests -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/TypeBuilder.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(TypeBuilderTest, Void) {
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EXPECT_EQ(Type::VoidTy, (TypeBuilder<void, true>::get()));
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EXPECT_EQ(Type::VoidTy, (TypeBuilder<void, false>::get()));
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// Special case for C compatibility:
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EXPECT_EQ(PointerType::getUnqual(Type::Int8Ty),
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(TypeBuilder<void*, false>::get()));
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}
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TEST(TypeBuilderTest, HostIntegers) {
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EXPECT_EQ(Type::Int8Ty, (TypeBuilder<int8_t, false>::get()));
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EXPECT_EQ(Type::Int8Ty, (TypeBuilder<uint8_t, false>::get()));
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EXPECT_EQ(Type::Int16Ty, (TypeBuilder<int16_t, false>::get()));
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EXPECT_EQ(Type::Int16Ty, (TypeBuilder<uint16_t, false>::get()));
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EXPECT_EQ(Type::Int32Ty, (TypeBuilder<int32_t, false>::get()));
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EXPECT_EQ(Type::Int32Ty, (TypeBuilder<uint32_t, false>::get()));
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EXPECT_EQ(Type::Int64Ty, (TypeBuilder<int64_t, false>::get()));
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EXPECT_EQ(Type::Int64Ty, (TypeBuilder<uint64_t, false>::get()));
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EXPECT_EQ(IntegerType::get(sizeof(size_t) * CHAR_BIT),
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(TypeBuilder<size_t, false>::get()));
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EXPECT_EQ(IntegerType::get(sizeof(ptrdiff_t) * CHAR_BIT),
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(TypeBuilder<ptrdiff_t, false>::get()));
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}
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TEST(TypeBuilderTest, CrossCompilableIntegers) {
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EXPECT_EQ(IntegerType::get(1), (TypeBuilder<types::i<1>, true>::get()));
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EXPECT_EQ(IntegerType::get(1), (TypeBuilder<types::i<1>, false>::get()));
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EXPECT_EQ(IntegerType::get(72), (TypeBuilder<types::i<72>, true>::get()));
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EXPECT_EQ(IntegerType::get(72), (TypeBuilder<types::i<72>, false>::get()));
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}
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TEST(TypeBuilderTest, Float) {
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EXPECT_EQ(Type::FloatTy, (TypeBuilder<float, false>::get()));
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EXPECT_EQ(Type::DoubleTy, (TypeBuilder<double, false>::get()));
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// long double isn't supported yet.
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EXPECT_EQ(Type::FloatTy, (TypeBuilder<types::ieee_float, true>::get()));
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EXPECT_EQ(Type::FloatTy, (TypeBuilder<types::ieee_float, false>::get()));
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EXPECT_EQ(Type::DoubleTy, (TypeBuilder<types::ieee_double, true>::get()));
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EXPECT_EQ(Type::DoubleTy, (TypeBuilder<types::ieee_double, false>::get()));
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EXPECT_EQ(Type::X86_FP80Ty, (TypeBuilder<types::x86_fp80, true>::get()));
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EXPECT_EQ(Type::X86_FP80Ty, (TypeBuilder<types::x86_fp80, false>::get()));
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EXPECT_EQ(Type::FP128Ty, (TypeBuilder<types::fp128, true>::get()));
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EXPECT_EQ(Type::FP128Ty, (TypeBuilder<types::fp128, false>::get()));
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EXPECT_EQ(Type::PPC_FP128Ty, (TypeBuilder<types::ppc_fp128, true>::get()));
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EXPECT_EQ(Type::PPC_FP128Ty, (TypeBuilder<types::ppc_fp128, false>::get()));
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}
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TEST(TypeBuilderTest, Derived) {
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EXPECT_EQ(PointerType::getUnqual(PointerType::getUnqual(Type::Int8Ty)),
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(TypeBuilder<int8_t**, false>::get()));
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EXPECT_EQ(ArrayType::get(Type::Int8Ty, 7),
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(TypeBuilder<int8_t[7], false>::get()));
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EXPECT_EQ(ArrayType::get(Type::Int8Ty, 0),
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(TypeBuilder<int8_t[], false>::get()));
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EXPECT_EQ(PointerType::getUnqual(PointerType::getUnqual(Type::Int8Ty)),
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(TypeBuilder<types::i<8>**, false>::get()));
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EXPECT_EQ(ArrayType::get(Type::Int8Ty, 7),
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(TypeBuilder<types::i<8>[7], false>::get()));
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EXPECT_EQ(ArrayType::get(Type::Int8Ty, 0),
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(TypeBuilder<types::i<8>[], false>::get()));
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EXPECT_EQ(PointerType::getUnqual(PointerType::getUnqual(Type::Int8Ty)),
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(TypeBuilder<types::i<8>**, true>::get()));
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EXPECT_EQ(ArrayType::get(Type::Int8Ty, 7),
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(TypeBuilder<types::i<8>[7], true>::get()));
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EXPECT_EQ(ArrayType::get(Type::Int8Ty, 0),
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(TypeBuilder<types::i<8>[], true>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<const int8_t, false>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<volatile int8_t, false>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<const volatile int8_t, false>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<const types::i<8>, false>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<volatile types::i<8>, false>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<const volatile types::i<8>, false>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<const types::i<8>, true>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<volatile types::i<8>, true>::get()));
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EXPECT_EQ(Type::Int8Ty,
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(TypeBuilder<const volatile types::i<8>, true>::get()));
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EXPECT_EQ(PointerType::getUnqual(Type::Int8Ty),
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(TypeBuilder<const volatile int8_t*const volatile, false>::get()));
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}
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TEST(TypeBuilderTest, Functions) {
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std::vector<const Type*> params;
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EXPECT_EQ(FunctionType::get(Type::VoidTy, params, false),
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(TypeBuilder<void(), true>::get()));
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
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(TypeBuilder<int8_t(...), false>::get()));
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params.push_back(TypeBuilder<int32_t*, false>::get());
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
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(TypeBuilder<int8_t(const int32_t*), false>::get()));
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
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(TypeBuilder<int8_t(const int32_t*, ...), false>::get()));
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params.push_back(TypeBuilder<char*, false>::get());
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
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(TypeBuilder<int8_t(int32_t*, void*), false>::get()));
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
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(TypeBuilder<int8_t(int32_t*, char*, ...), false>::get()));
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params.push_back(TypeBuilder<char, false>::get());
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
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(TypeBuilder<int8_t(int32_t*, void*, char), false>::get()));
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
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(TypeBuilder<int8_t(int32_t*, char*, char, ...), false>::get()));
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params.push_back(TypeBuilder<char, false>::get());
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
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(TypeBuilder<int8_t(int32_t*, void*, char, char), false>::get()));
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
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(TypeBuilder<int8_t(int32_t*, char*, char, char, ...),
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false>::get()));
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params.push_back(TypeBuilder<char, false>::get());
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
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(TypeBuilder<int8_t(int32_t*, void*, char, char, char),
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false>::get()));
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EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
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(TypeBuilder<int8_t(int32_t*, char*, char, char, char, ...),
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false>::get()));
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}
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class MyType {
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int a;
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int *b;
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void *array[1];
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};
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class MyPortableType {
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int32_t a;
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int32_t *b;
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void *array[1];
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};
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} // anonymous namespace
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namespace llvm {
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template<bool cross> class TypeBuilder<MyType, cross> {
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public:
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static const StructType *get() {
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// Using the static result variable ensures that the type is
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// only looked up once.
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static const StructType *const result = StructType::get(
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TypeBuilder<int, cross>::get(),
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TypeBuilder<int*, cross>::get(),
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TypeBuilder<void*[], cross>::get(),
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NULL);
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return result;
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}
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// You may find this a convenient place to put some constants
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// to help with getelementptr. They don't have any effect on
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// the operation of TypeBuilder.
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enum Fields {
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FIELD_A,
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FIELD_B,
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FIELD_ARRAY
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};
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};
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template<bool cross> class TypeBuilder<MyPortableType, cross> {
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public:
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static const StructType *get() {
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// Using the static result variable ensures that the type is
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// only looked up once.
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static const StructType *const result = StructType::get(
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TypeBuilder<types::i<32>, cross>::get(),
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TypeBuilder<types::i<32>*, cross>::get(),
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TypeBuilder<types::i<8>*[], cross>::get(),
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NULL);
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return result;
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}
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// You may find this a convenient place to put some constants
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// to help with getelementptr. They don't have any effect on
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// the operation of TypeBuilder.
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enum Fields {
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FIELD_A,
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FIELD_B,
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FIELD_ARRAY
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};
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};
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} // namespace llvm
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namespace {
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TEST(TypeBuilderTest, Extensions) {
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EXPECT_EQ(PointerType::getUnqual(StructType::get(
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TypeBuilder<int, false>::get(),
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TypeBuilder<int*, false>::get(),
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TypeBuilder<void*[], false>::get(),
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NULL)),
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(TypeBuilder<MyType*, false>::get()));
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EXPECT_EQ(PointerType::getUnqual(StructType::get(
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TypeBuilder<types::i<32>, false>::get(),
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TypeBuilder<types::i<32>*, false>::get(),
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TypeBuilder<types::i<8>*[], false>::get(),
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NULL)),
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(TypeBuilder<MyPortableType*, false>::get()));
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EXPECT_EQ(PointerType::getUnqual(StructType::get(
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TypeBuilder<types::i<32>, false>::get(),
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TypeBuilder<types::i<32>*, false>::get(),
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TypeBuilder<types::i<8>*[], false>::get(),
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NULL)),
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(TypeBuilder<MyPortableType*, true>::get()));
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}
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} // anonymous namespace
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