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//===- llvm/unittest/IR/TypesTest.cpp - Type unit tests -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/TypedPointerType.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(TypesTest, StructType) {
LLVMContext C;
// PR13522
StructType *Struct = StructType::create(C, "FooBar");
EXPECT_EQ("FooBar", Struct->getName());
Struct->setName(Struct->getName().substr(0, 3));
EXPECT_EQ("Foo", Struct->getName());
Struct->setName("");
EXPECT_TRUE(Struct->getName().empty());
EXPECT_FALSE(Struct->hasName());
}
TEST(TypesTest, LayoutIdenticalEmptyStructs) {
LLVMContext C;
StructType *Foo = StructType::create(C, "Foo");
StructType *Bar = StructType::create(C, "Bar");
EXPECT_TRUE(Foo->isLayoutIdentical(Bar));
}
TEST(TypesTest, TargetExtType) {
LLVMContext Context;
Type *A = TargetExtType::get(Context, "typea");
Type *Aparam = TargetExtType::get(Context, "typea", {}, {0, 1});
Type *Aparam2 = TargetExtType::get(Context, "typea", {}, {0, 1});
// Opaque types with same parameters are identical...
EXPECT_EQ(Aparam, Aparam2);
// ... but just having the same name is not enough.
EXPECT_NE(A, Aparam);
// ensure struct types in targest extension types
// only show the struct name, not the struct body
Type *Int32Type = Type::getInt32Ty(Context);
Type *FloatType = Type::getFloatTy(Context);
std::array<Type *, 2> Elements = {Int32Type, FloatType};
StructType *Struct = llvm::StructType::create(Context, Elements, "MyStruct",
/*isPacked=*/false);
SmallVector<char, 50> TETV;
llvm::raw_svector_ostream TETStream(TETV);
Type *TargetExtensionType =
TargetExtType::get(Context, "structTET", {Struct}, {0, 1});
TargetExtensionType->print(TETStream);
EXPECT_STREQ(TETStream.str().str().data(),
"target(\"structTET\", %MyStruct, 0, 1)");
// ensure that literal structs in the target extension type print the struct
// body
Struct = StructType::get(Context, Struct->elements(), /*isPacked=*/false);
TargetExtensionType =
TargetExtType::get(Context, "structTET", {Struct}, {0, 1});
TETV.clear();
TargetExtensionType->print(TETStream);
EXPECT_STREQ(TETStream.str().str().data(),
"target(\"structTET\", { i32, float }, 0, 1)");
}
TEST(TypedPointerType, PrintTest) {
std::string Buffer;
LLVMContext Context;
raw_string_ostream OS(Buffer);
Type *I8Ptr = TypedPointerType::get(Type::getInt8Ty(Context), 0);
I8Ptr->print(OS);
EXPECT_EQ(StringRef(Buffer), ("typedptr(i8, 0)"));
}
} // end anonymous namespace
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