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//===- ConstantRangeTest.cpp - ConstantRange 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/DataLayout.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Type.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(DataLayoutTest, FunctionPtrAlign) {
EXPECT_EQ(MaybeAlign(0), DataLayout("").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(1), DataLayout("Fi8").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(2), DataLayout("Fi16").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(4), DataLayout("Fi32").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(8), DataLayout("Fi64").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(1), DataLayout("Fn8").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(2), DataLayout("Fn16").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(4), DataLayout("Fn32").getFunctionPtrAlign());
EXPECT_EQ(MaybeAlign(8), DataLayout("Fn64").getFunctionPtrAlign());
EXPECT_EQ(DataLayout::FunctionPtrAlignType::Independent, \
DataLayout("").getFunctionPtrAlignType());
EXPECT_EQ(DataLayout::FunctionPtrAlignType::Independent, \
DataLayout("Fi8").getFunctionPtrAlignType());
EXPECT_EQ(DataLayout::FunctionPtrAlignType::MultipleOfFunctionAlign, \
DataLayout("Fn8").getFunctionPtrAlignType());
EXPECT_EQ(DataLayout("Fi8"), DataLayout("Fi8"));
EXPECT_NE(DataLayout("Fi8"), DataLayout("Fi16"));
EXPECT_NE(DataLayout("Fi8"), DataLayout("Fn8"));
DataLayout a(""), b("Fi8"), c("Fn8");
EXPECT_NE(a, b);
EXPECT_NE(a, c);
EXPECT_NE(b, c);
a = b;
EXPECT_EQ(a, b);
a = c;
EXPECT_EQ(a, c);
}
TEST(DataLayoutTest, ValueOrABITypeAlignment) {
const DataLayout DL("Fi8");
LLVMContext Context;
Type *const FourByteAlignType = Type::getInt32Ty(Context);
EXPECT_EQ(Align(16),
DL.getValueOrABITypeAlignment(MaybeAlign(16), FourByteAlignType));
EXPECT_EQ(Align(4),
DL.getValueOrABITypeAlignment(MaybeAlign(), FourByteAlignType));
}
} // anonymous namespace
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