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//===- TypeTest.cpp - Type API 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 "mlir/IR/BuiltinTypes.h"
#include "mlir/IR/Dialect.h"
#include "mlir/IR/Types.h"
#include "mlir/IR/Value.h"
#include "gtest/gtest.h"
using namespace mlir;
/// Mock implementations of a Type hierarchy
struct LeafType;
struct MiddleType : Type::TypeBase<MiddleType, Type, TypeStorage> {
using Base::Base;
static bool classof(Type ty) {
return ty.getTypeID() == TypeID::get<LeafType>() || Base::classof(ty);
}
};
struct LeafType : Type::TypeBase<LeafType, MiddleType, TypeStorage> {
using Base::Base;
};
struct FakeDialect : Dialect {
FakeDialect(MLIRContext *context)
: Dialect(getDialectNamespace(), context, TypeID::get<FakeDialect>()) {
addTypes<MiddleType, LeafType>();
}
static constexpr ::llvm::StringLiteral getDialectNamespace() {
return ::llvm::StringLiteral("fake");
}
};
TEST(Type, Casting) {
MLIRContext ctx;
ctx.loadDialect<FakeDialect>();
Type intTy = IntegerType::get(&ctx, 8);
Type nullTy;
MiddleType middleTy = MiddleType::get(&ctx);
MiddleType leafTy = LeafType::get(&ctx);
Type leaf2Ty = LeafType::get(&ctx);
EXPECT_TRUE(isa<IntegerType>(intTy));
EXPECT_FALSE(isa<FunctionType>(intTy));
EXPECT_FALSE(isa_and_present<IntegerType>(nullTy));
EXPECT_TRUE(isa<MiddleType>(middleTy));
EXPECT_FALSE(isa<LeafType>(middleTy));
EXPECT_TRUE(isa<MiddleType>(leafTy));
EXPECT_TRUE(isa<LeafType>(leaf2Ty));
EXPECT_TRUE(isa<LeafType>(leafTy));
EXPECT_TRUE(static_cast<bool>(dyn_cast<IntegerType>(intTy)));
EXPECT_FALSE(static_cast<bool>(dyn_cast<FunctionType>(intTy)));
EXPECT_FALSE(static_cast<bool>(cast_if_present<FunctionType>(nullTy)));
EXPECT_FALSE(static_cast<bool>(dyn_cast_if_present<IntegerType>(nullTy)));
EXPECT_EQ(8u, cast<IntegerType>(intTy).getWidth());
}
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