| //===- 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 |