1 //===- ConstantRangeTest.cpp - ConstantRange tests ------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/IR/DataLayout.h" 10 #include "llvm/IR/LLVMContext.h" 11 #include "llvm/IR/Type.h" 12 #include "gtest/gtest.h" 13 14 using namespace llvm; 15 16 namespace { 17 18 TEST(DataLayoutTest, FunctionPtrAlign) { 19 EXPECT_EQ(MaybeAlign(0), DataLayout("").getFunctionPtrAlign()); 20 EXPECT_EQ(MaybeAlign(1), DataLayout("Fi8").getFunctionPtrAlign()); 21 EXPECT_EQ(MaybeAlign(2), DataLayout("Fi16").getFunctionPtrAlign()); 22 EXPECT_EQ(MaybeAlign(4), DataLayout("Fi32").getFunctionPtrAlign()); 23 EXPECT_EQ(MaybeAlign(8), DataLayout("Fi64").getFunctionPtrAlign()); 24 EXPECT_EQ(MaybeAlign(1), DataLayout("Fn8").getFunctionPtrAlign()); 25 EXPECT_EQ(MaybeAlign(2), DataLayout("Fn16").getFunctionPtrAlign()); 26 EXPECT_EQ(MaybeAlign(4), DataLayout("Fn32").getFunctionPtrAlign()); 27 EXPECT_EQ(MaybeAlign(8), DataLayout("Fn64").getFunctionPtrAlign()); 28 EXPECT_EQ(DataLayout::FunctionPtrAlignType::Independent, \ 29 DataLayout("").getFunctionPtrAlignType()); 30 EXPECT_EQ(DataLayout::FunctionPtrAlignType::Independent, \ 31 DataLayout("Fi8").getFunctionPtrAlignType()); 32 EXPECT_EQ(DataLayout::FunctionPtrAlignType::MultipleOfFunctionAlign, \ 33 DataLayout("Fn8").getFunctionPtrAlignType()); 34 EXPECT_EQ(DataLayout("Fi8"), DataLayout("Fi8")); 35 EXPECT_NE(DataLayout("Fi8"), DataLayout("Fi16")); 36 EXPECT_NE(DataLayout("Fi8"), DataLayout("Fn8")); 37 38 DataLayout a(""), b("Fi8"), c("Fn8"); 39 EXPECT_NE(a, b); 40 EXPECT_NE(a, c); 41 EXPECT_NE(b, c); 42 43 a = b; 44 EXPECT_EQ(a, b); 45 a = c; 46 EXPECT_EQ(a, c); 47 } 48 49 TEST(DataLayoutTest, ValueOrABITypeAlignment) { 50 const DataLayout DL("Fi8"); 51 LLVMContext Context; 52 Type *const FourByteAlignType = Type::getInt32Ty(Context); 53 EXPECT_EQ(Align(16), 54 DL.getValueOrABITypeAlignment(MaybeAlign(16), FourByteAlignType)); 55 EXPECT_EQ(Align(4), 56 DL.getValueOrABITypeAlignment(MaybeAlign(), FourByteAlignType)); 57 } 58 59 } // anonymous namespace 60