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authorChris Lattner <sabre@nondot.org>2009-04-25 22:14:04 +0000
committerChris Lattner <sabre@nondot.org>2009-04-25 22:14:04 +0000
commit096fd7b5a7b19912bfedeaef870a0c655f16e325 (patch)
tree9bb7e124d1d07e7f89b5f13dcd8583fba0878e9e /unittests
parent552672d28516f71344d7ce5ae3edd8a251cefc42 (diff)
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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
Diffstat (limited to 'unittests')
-rw-r--r--unittests/Support/TypeBuilderTest.cpp233
1 files changed, 233 insertions, 0 deletions
diff --git a/unittests/Support/TypeBuilderTest.cpp b/unittests/Support/TypeBuilderTest.cpp
new file mode 100644
index 0000000..425ee6b
--- /dev/null
+++ b/unittests/Support/TypeBuilderTest.cpp
@@ -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