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Add a new TypeBuilder helper class, which eases making LLVM IR types.
Patch by Jeffrey Yasskin! llvm-svn: 70084
This commit is contained in:
Chris Lattner
parent
f1cc8abdda
commit
46c25c1285
463
include/llvm/Support/TypeBuilder.h
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463
include/llvm/Support/TypeBuilder.h
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//===---- llvm/Support/TypeBuilder.h - Builder for LLVM types ---*- C++ -*-===//
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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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//
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// This file defines the TypeBuilder class, which is used as a convenient way to
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// create LLVM types with a consistent and simplified interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_TYPEBUILDER_H
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#define LLVM_SUPPORT_TYPEBUILDER_H
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#include "llvm/DerivedTypes.h"
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namespace llvm {
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/// TypeBuilder - This provides a uniform API for looking up types
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/// known at compile time. To support cross-compilation, we define a
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/// series of tag types in the llvm::types namespace, like i<N>,
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/// ieee_float, ppc_fp128, etc. TypeBuilder<T, false> allows T to be
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/// any of these, a native C type (whose size may depend on the host
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/// compiler), or a pointer, function, or struct type built out of
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/// these. TypeBuilder<T, true> removes native C types from this set
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/// to guarantee that its result is suitable for cross-compilation.
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/// We define the primitive types, pointer types, and functions up to
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/// 5 arguments here, but to use this class with your own types,
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/// you'll need to specialize it. For example, say you want to call a
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/// function defined externally as:
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///
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/// struct MyType {
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/// int32 a;
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/// int32 *b;
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/// void *array[1]; // Intended as a flexible array.
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/// };
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/// int8 AFunction(struct MyType *value);
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///
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/// You'll want to use
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/// Function::Create(TypeBuilder<types::i<8>(MyType*)>::get(), ...)
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/// to declare the function, but when you first try this, your compiler will
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/// complain that TypeBuilder<MyType>::get() doesn't exist. To fix this, write:
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///
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/// namespace llvm {
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/// using types::i;
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/// template<bool xcompile> class TypeBuilder<MyType, xcompile> {
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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<i<32>, xcompile>::get(),
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/// TypeBuilder<i<32>*, xcompile>::get(),
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/// TypeBuilder<i<8>*[], xcompile>::get(),
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/// NULL);
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/// return result;
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/// }
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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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///
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/// Using the static result variable ensures that the type is only looked up
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/// once.
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///
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/// TypeBuilder cannot handle recursive types or types you only know at runtime.
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/// If you try to give it a recursive type, it will deadlock, infinitely
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/// recurse, or throw a recursive_init exception.
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template<typename T, bool cross_compilable> class TypeBuilder {};
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// Types for use with cross-compilable TypeBuilders. These correspond
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// exactly with an LLVM-native type.
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namespace types {
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/// i<N> corresponds to the LLVM IntegerType with N bits.
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template<uint32_t num_bits> class i {};
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// The following classes represent the LLVM floating types.
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class ieee_float {};
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class ieee_double {};
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class x86_fp80 {};
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class fp128 {};
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class ppc_fp128 {};
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} // namespace types
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// LLVM doesn't have const or volatile types.
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template<typename T, bool cross> class TypeBuilder<const T, cross>
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: public TypeBuilder<T, cross> {};
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template<typename T, bool cross> class TypeBuilder<volatile T, cross>
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: public TypeBuilder<T, cross> {};
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template<typename T, bool cross> class TypeBuilder<const volatile T, cross>
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: public TypeBuilder<T, cross> {};
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// Pointers
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template<typename T, bool cross> class TypeBuilder<T*, cross> {
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public:
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static const PointerType *get() {
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static const PointerType *const result =
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PointerType::getUnqual(TypeBuilder<T,cross>::get());
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return result;
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}
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};
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/// There is no support for references
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template<typename T, bool cross> class TypeBuilder<T&, cross> {};
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// Arrays
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template<typename T, size_t N, bool cross> class TypeBuilder<T[N], cross> {
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public:
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static const ArrayType *get() {
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static const ArrayType *const result =
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ArrayType::get(TypeBuilder<T, cross>::get(), N);
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return result;
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}
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};
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/// LLVM uses an array of length 0 to represent an unknown-length array.
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template<typename T, bool cross> class TypeBuilder<T[], cross> {
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public:
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static const ArrayType *get() {
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static const ArrayType *const result =
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ArrayType::get(TypeBuilder<T, cross>::get(), 0);
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return result;
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}
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};
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// Define the C integral types only for TypeBuilder<T, false>.
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//
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// C integral types do not have a defined size. It would be nice to use the
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// stdint.h-defined typedefs that do have defined sizes, but we'd run into the
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// following problem:
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//
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// On an ILP32 machine, stdint.h might define:
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//
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// typedef int int32_t;
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// typedef long long int64_t;
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// typedef long size_t;
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//
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// If we defined TypeBuilder<int32_t> and TypeBuilder<int64_t>, then any use of
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// TypeBuilder<size_t> would fail. We couldn't define TypeBuilder<size_t> in
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// addition to the defined-size types because we'd get duplicate definitions on
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// platforms where stdint.h instead defines:
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//
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// typedef int int32_t;
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// typedef long long int64_t;
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// typedef int size_t;
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//
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// So we define all the primitive C types and nothing else.
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#define DEFINE_INTEGRAL_TYPEBUILDER(T) \
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template<> class TypeBuilder<T, false> { \
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public: \
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static const IntegerType *get() { \
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static const IntegerType *const result = \
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IntegerType::get(sizeof(T) * CHAR_BIT); \
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return result; \
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} \
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}; \
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template<> class TypeBuilder<T, true> { \
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/* We provide a definition here so users don't accidentally */ \
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/* define these types to work. */ \
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}
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DEFINE_INTEGRAL_TYPEBUILDER(char);
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DEFINE_INTEGRAL_TYPEBUILDER(signed char);
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DEFINE_INTEGRAL_TYPEBUILDER(unsigned char);
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DEFINE_INTEGRAL_TYPEBUILDER(short);
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DEFINE_INTEGRAL_TYPEBUILDER(unsigned short);
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DEFINE_INTEGRAL_TYPEBUILDER(int);
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DEFINE_INTEGRAL_TYPEBUILDER(unsigned int);
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DEFINE_INTEGRAL_TYPEBUILDER(long);
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DEFINE_INTEGRAL_TYPEBUILDER(unsigned long);
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#ifdef _MSC_VER
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DEFINE_INTEGRAL_TYPEBUILDER(__int64);
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DEFINE_INTEGRAL_TYPEBUILDER(unsigned __int64);
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#else /* _MSC_VER */
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DEFINE_INTEGRAL_TYPEBUILDER(long long);
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DEFINE_INTEGRAL_TYPEBUILDER(unsigned long long);
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#endif /* _MSC_VER */
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#undef DEFINE_INTEGRAL_TYPEBUILDER
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template<uint32_t num_bits, bool cross>
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class TypeBuilder<types::i<num_bits>, cross> {
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public:
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static const IntegerType *get() {
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static const IntegerType *const result = IntegerType::get(num_bits);
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return result;
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}
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};
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template<> class TypeBuilder<float, false> {
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public:
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static const Type *get() {
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return Type::FloatTy;
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}
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};
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template<> class TypeBuilder<float, true> {};
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template<> class TypeBuilder<double, false> {
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public:
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static const Type *get() {
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return Type::DoubleTy;
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}
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};
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template<> class TypeBuilder<double, true> {};
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template<bool cross> class TypeBuilder<types::ieee_float, cross> {
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public:
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static const Type *get() { return Type::FloatTy; }
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};
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template<bool cross> class TypeBuilder<types::ieee_double, cross> {
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public:
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static const Type *get() { return Type::DoubleTy; }
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};
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template<bool cross> class TypeBuilder<types::x86_fp80, cross> {
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public:
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static const Type *get() { return Type::X86_FP80Ty; }
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};
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template<bool cross> class TypeBuilder<types::fp128, cross> {
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public:
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static const Type *get() { return Type::FP128Ty; }
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};
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template<bool cross> class TypeBuilder<types::ppc_fp128, cross> {
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public:
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static const Type *get() { return Type::PPC_FP128Ty; }
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};
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template<bool cross> class TypeBuilder<void, cross> {
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public:
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static const Type *get() {
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return Type::VoidTy;
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}
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};
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/// void* is disallowed in LLVM types, but it occurs often enough in C code that
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/// we special case it.
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template<> class TypeBuilder<void*, false>
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: public TypeBuilder<types::i<8>*, false> {};
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template<typename R, bool cross> class TypeBuilder<R(), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, false);
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}
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};
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template<typename R, typename A1, bool cross> class TypeBuilder<R(A1), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(1);
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params.push_back(TypeBuilder<A1, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, false);
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}
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};
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template<typename R, typename A1, typename A2, bool cross>
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class TypeBuilder<R(A1, A2), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(2);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, false);
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}
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};
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template<typename R, typename A1, typename A2, typename A3, bool cross>
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class TypeBuilder<R(A1, A2, A3), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(3);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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params.push_back(TypeBuilder<A3, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, false);
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}
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};
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template<typename R, typename A1, typename A2, typename A3, typename A4,
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bool cross>
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class TypeBuilder<R(A1, A2, A3, A4), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(4);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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params.push_back(TypeBuilder<A3, cross>::get());
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params.push_back(TypeBuilder<A4, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, false);
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}
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};
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template<typename R, typename A1, typename A2, typename A3, typename A4,
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typename A5, bool cross>
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class TypeBuilder<R(A1, A2, A3, A4, A5), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(5);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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params.push_back(TypeBuilder<A3, cross>::get());
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params.push_back(TypeBuilder<A4, cross>::get());
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params.push_back(TypeBuilder<A5, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, false);
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}
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};
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template<typename R, bool cross> class TypeBuilder<R(...), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, true);
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}
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};
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template<typename R, typename A1, bool cross>
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class TypeBuilder<R(A1, ...), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(1);
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params.push_back(TypeBuilder<A1, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, true);
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}
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};
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template<typename R, typename A1, typename A2, bool cross>
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class TypeBuilder<R(A1, A2, ...), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(2);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, true);
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}
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};
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template<typename R, typename A1, typename A2, typename A3, bool cross>
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class TypeBuilder<R(A1, A2, A3, ...), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(3);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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params.push_back(TypeBuilder<A3, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, true);
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}
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};
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template<typename R, typename A1, typename A2, typename A3, typename A4,
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bool cross>
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class TypeBuilder<R(A1, A2, A3, A4, ...), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(4);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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params.push_back(TypeBuilder<A3, cross>::get());
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params.push_back(TypeBuilder<A4, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, true);
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}
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};
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template<typename R, typename A1, typename A2, typename A3, typename A4,
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typename A5, bool cross>
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class TypeBuilder<R(A1, A2, A3, A4, A5, ...), cross> {
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public:
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static const FunctionType *get() {
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static const FunctionType *const result = create();
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return result;
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}
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private:
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static const FunctionType *create() {
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std::vector<const Type*> params;
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params.reserve(5);
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params.push_back(TypeBuilder<A1, cross>::get());
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params.push_back(TypeBuilder<A2, cross>::get());
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params.push_back(TypeBuilder<A3, cross>::get());
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params.push_back(TypeBuilder<A4, cross>::get());
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params.push_back(TypeBuilder<A5, cross>::get());
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return FunctionType::get(TypeBuilder<R, cross>::get(), params, true);
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}
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};
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} // namespace llvm
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#endif
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233
unittests/Support/TypeBuilderTest.cpp
Normal file
233
unittests/Support/TypeBuilderTest.cpp
Normal file
@ -0,0 +1,233 @@
|
||||
//===- llvm/unittest/Support/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/Support/TypeBuilder.h"
|
||||
|
||||
#include "gtest/gtest.h"
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
namespace {
|
||||
|
||||
TEST(TypeBuilderTest, Void) {
|
||||
EXPECT_EQ(Type::VoidTy, (TypeBuilder<void, true>::get()));
|
||||
EXPECT_EQ(Type::VoidTy, (TypeBuilder<void, false>::get()));
|
||||
// Special case for C compatibility:
|
||||
EXPECT_EQ(PointerType::getUnqual(Type::Int8Ty),
|
||||
(TypeBuilder<void*, false>::get()));
|
||||
}
|
||||
|
||||
TEST(TypeBuilderTest, HostIntegers) {
|
||||
EXPECT_EQ(Type::Int8Ty, (TypeBuilder<int8_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty, (TypeBuilder<uint8_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int16Ty, (TypeBuilder<int16_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int16Ty, (TypeBuilder<uint16_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int32Ty, (TypeBuilder<int32_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int32Ty, (TypeBuilder<uint32_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int64Ty, (TypeBuilder<int64_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int64Ty, (TypeBuilder<uint64_t, false>::get()));
|
||||
|
||||
EXPECT_EQ(IntegerType::get(sizeof(size_t) * CHAR_BIT),
|
||||
(TypeBuilder<size_t, false>::get()));
|
||||
EXPECT_EQ(IntegerType::get(sizeof(ptrdiff_t) * CHAR_BIT),
|
||||
(TypeBuilder<ptrdiff_t, false>::get()));
|
||||
}
|
||||
|
||||
TEST(TypeBuilderTest, CrossCompilableIntegers) {
|
||||
EXPECT_EQ(IntegerType::get(1), (TypeBuilder<types::i<1>, true>::get()));
|
||||
EXPECT_EQ(IntegerType::get(1), (TypeBuilder<types::i<1>, false>::get()));
|
||||
EXPECT_EQ(IntegerType::get(72), (TypeBuilder<types::i<72>, true>::get()));
|
||||
EXPECT_EQ(IntegerType::get(72), (TypeBuilder<types::i<72>, false>::get()));
|
||||
}
|
||||
|
||||
TEST(TypeBuilderTest, Float) {
|
||||
EXPECT_EQ(Type::FloatTy, (TypeBuilder<float, false>::get()));
|
||||
EXPECT_EQ(Type::DoubleTy, (TypeBuilder<double, false>::get()));
|
||||
// long double isn't supported yet.
|
||||
EXPECT_EQ(Type::FloatTy, (TypeBuilder<types::ieee_float, true>::get()));
|
||||
EXPECT_EQ(Type::FloatTy, (TypeBuilder<types::ieee_float, false>::get()));
|
||||
EXPECT_EQ(Type::DoubleTy, (TypeBuilder<types::ieee_double, true>::get()));
|
||||
EXPECT_EQ(Type::DoubleTy, (TypeBuilder<types::ieee_double, false>::get()));
|
||||
EXPECT_EQ(Type::X86_FP80Ty, (TypeBuilder<types::x86_fp80, true>::get()));
|
||||
EXPECT_EQ(Type::X86_FP80Ty, (TypeBuilder<types::x86_fp80, false>::get()));
|
||||
EXPECT_EQ(Type::FP128Ty, (TypeBuilder<types::fp128, true>::get()));
|
||||
EXPECT_EQ(Type::FP128Ty, (TypeBuilder<types::fp128, false>::get()));
|
||||
EXPECT_EQ(Type::PPC_FP128Ty, (TypeBuilder<types::ppc_fp128, true>::get()));
|
||||
EXPECT_EQ(Type::PPC_FP128Ty, (TypeBuilder<types::ppc_fp128, false>::get()));
|
||||
}
|
||||
|
||||
TEST(TypeBuilderTest, Derived) {
|
||||
EXPECT_EQ(PointerType::getUnqual(PointerType::getUnqual(Type::Int8Ty)),
|
||||
(TypeBuilder<int8_t**, false>::get()));
|
||||
EXPECT_EQ(ArrayType::get(Type::Int8Ty, 7),
|
||||
(TypeBuilder<int8_t[7], false>::get()));
|
||||
EXPECT_EQ(ArrayType::get(Type::Int8Ty, 0),
|
||||
(TypeBuilder<int8_t[], false>::get()));
|
||||
|
||||
EXPECT_EQ(PointerType::getUnqual(PointerType::getUnqual(Type::Int8Ty)),
|
||||
(TypeBuilder<types::i<8>**, false>::get()));
|
||||
EXPECT_EQ(ArrayType::get(Type::Int8Ty, 7),
|
||||
(TypeBuilder<types::i<8>[7], false>::get()));
|
||||
EXPECT_EQ(ArrayType::get(Type::Int8Ty, 0),
|
||||
(TypeBuilder<types::i<8>[], false>::get()));
|
||||
|
||||
EXPECT_EQ(PointerType::getUnqual(PointerType::getUnqual(Type::Int8Ty)),
|
||||
(TypeBuilder<types::i<8>**, true>::get()));
|
||||
EXPECT_EQ(ArrayType::get(Type::Int8Ty, 7),
|
||||
(TypeBuilder<types::i<8>[7], true>::get()));
|
||||
EXPECT_EQ(ArrayType::get(Type::Int8Ty, 0),
|
||||
(TypeBuilder<types::i<8>[], true>::get()));
|
||||
|
||||
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<const int8_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<volatile int8_t, false>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<const volatile int8_t, false>::get()));
|
||||
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<const types::i<8>, false>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<volatile types::i<8>, false>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<const volatile types::i<8>, false>::get()));
|
||||
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<const types::i<8>, true>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<volatile types::i<8>, true>::get()));
|
||||
EXPECT_EQ(Type::Int8Ty,
|
||||
(TypeBuilder<const volatile types::i<8>, true>::get()));
|
||||
|
||||
EXPECT_EQ(PointerType::getUnqual(Type::Int8Ty),
|
||||
(TypeBuilder<const volatile int8_t*const volatile, false>::get()));
|
||||
}
|
||||
|
||||
TEST(TypeBuilderTest, Functions) {
|
||||
std::vector<const Type*> params;
|
||||
EXPECT_EQ(FunctionType::get(Type::VoidTy, params, false),
|
||||
(TypeBuilder<void(), true>::get()));
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
|
||||
(TypeBuilder<int8_t(...), false>::get()));
|
||||
params.push_back(TypeBuilder<int32_t*, false>::get());
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
|
||||
(TypeBuilder<int8_t(const int32_t*), false>::get()));
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
|
||||
(TypeBuilder<int8_t(const int32_t*, ...), false>::get()));
|
||||
params.push_back(TypeBuilder<char*, false>::get());
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
|
||||
(TypeBuilder<int8_t(int32_t*, void*), false>::get()));
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
|
||||
(TypeBuilder<int8_t(int32_t*, char*, ...), false>::get()));
|
||||
params.push_back(TypeBuilder<char, false>::get());
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
|
||||
(TypeBuilder<int8_t(int32_t*, void*, char), false>::get()));
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
|
||||
(TypeBuilder<int8_t(int32_t*, char*, char, ...), false>::get()));
|
||||
params.push_back(TypeBuilder<char, false>::get());
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
|
||||
(TypeBuilder<int8_t(int32_t*, void*, char, char), false>::get()));
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
|
||||
(TypeBuilder<int8_t(int32_t*, char*, char, char, ...),
|
||||
false>::get()));
|
||||
params.push_back(TypeBuilder<char, false>::get());
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, false),
|
||||
(TypeBuilder<int8_t(int32_t*, void*, char, char, char),
|
||||
false>::get()));
|
||||
EXPECT_EQ(FunctionType::get(Type::Int8Ty, params, true),
|
||||
(TypeBuilder<int8_t(int32_t*, char*, char, char, char, ...),
|
||||
false>::get()));
|
||||
}
|
||||
|
||||
class MyType {
|
||||
int a;
|
||||
int *b;
|
||||
void *array[1];
|
||||
};
|
||||
|
||||
class MyPortableType {
|
||||
int32_t a;
|
||||
int32_t *b;
|
||||
void *array[1];
|
||||
};
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
namespace llvm {
|
||||
template<bool cross> class TypeBuilder<MyType, cross> {
|
||||
public:
|
||||
static const StructType *get() {
|
||||
// Using the static result variable ensures that the type is
|
||||
// only looked up once.
|
||||
static const StructType *const result = StructType::get(
|
||||
TypeBuilder<int, cross>::get(),
|
||||
TypeBuilder<int*, cross>::get(),
|
||||
TypeBuilder<void*[], cross>::get(),
|
||||
NULL);
|
||||
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 const StructType *get() {
|
||||
// Using the static result variable ensures that the type is
|
||||
// only looked up once.
|
||||
static const StructType *const result = StructType::get(
|
||||
TypeBuilder<types::i<32>, cross>::get(),
|
||||
TypeBuilder<types::i<32>*, cross>::get(),
|
||||
TypeBuilder<types::i<8>*[], cross>::get(),
|
||||
NULL);
|
||||
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(),
|
||||
TypeBuilder<int*, false>::get(),
|
||||
TypeBuilder<void*[], false>::get(),
|
||||
NULL)),
|
||||
(TypeBuilder<MyType*, false>::get()));
|
||||
EXPECT_EQ(PointerType::getUnqual(StructType::get(
|
||||
TypeBuilder<types::i<32>, false>::get(),
|
||||
TypeBuilder<types::i<32>*, false>::get(),
|
||||
TypeBuilder<types::i<8>*[], false>::get(),
|
||||
NULL)),
|
||||
(TypeBuilder<MyPortableType*, false>::get()));
|
||||
EXPECT_EQ(PointerType::getUnqual(StructType::get(
|
||||
TypeBuilder<types::i<32>, false>::get(),
|
||||
TypeBuilder<types::i<32>*, false>::get(),
|
||||
TypeBuilder<types::i<8>*[], false>::get(),
|
||||
NULL)),
|
||||
(TypeBuilder<MyPortableType*, true>::get()));
|
||||
}
|
||||
|
||||
} // anonymous namespace
|
||||
Loading…
Reference in New Issue
Block a user