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a4dce6b58b
Summary: This is patch is part of a series to introduce an Alignment type. See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html See this patch for the introduction of the type: https://reviews.llvm.org/D64790 Reviewers: courbet Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D69258 llvm-svn: 375413
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
//===- ConstantRangeTest.cpp - ConstantRange tests ------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/DataLayout.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Type.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(DataLayoutTest, FunctionPtrAlign) {
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EXPECT_EQ(MaybeAlign(0), DataLayout("").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(1), DataLayout("Fi8").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(2), DataLayout("Fi16").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(4), DataLayout("Fi32").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(8), DataLayout("Fi64").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(1), DataLayout("Fn8").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(2), DataLayout("Fn16").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(4), DataLayout("Fn32").getFunctionPtrAlign());
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EXPECT_EQ(MaybeAlign(8), DataLayout("Fn64").getFunctionPtrAlign());
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EXPECT_EQ(DataLayout::FunctionPtrAlignType::Independent, \
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DataLayout("").getFunctionPtrAlignType());
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EXPECT_EQ(DataLayout::FunctionPtrAlignType::Independent, \
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DataLayout("Fi8").getFunctionPtrAlignType());
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EXPECT_EQ(DataLayout::FunctionPtrAlignType::MultipleOfFunctionAlign, \
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DataLayout("Fn8").getFunctionPtrAlignType());
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EXPECT_EQ(DataLayout("Fi8"), DataLayout("Fi8"));
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EXPECT_NE(DataLayout("Fi8"), DataLayout("Fi16"));
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EXPECT_NE(DataLayout("Fi8"), DataLayout("Fn8"));
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DataLayout a(""), b("Fi8"), c("Fn8");
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EXPECT_NE(a, b);
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EXPECT_NE(a, c);
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EXPECT_NE(b, c);
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a = b;
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EXPECT_EQ(a, b);
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a = c;
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EXPECT_EQ(a, c);
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}
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TEST(DataLayoutTest, ValueOrABITypeAlignment) {
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const DataLayout DL("Fi8");
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LLVMContext Context;
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Type *const FourByteAlignType = Type::getInt32Ty(Context);
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EXPECT_EQ(Align(16),
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DL.getValueOrABITypeAlignment(MaybeAlign(16), FourByteAlignType));
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EXPECT_EQ(Align(4),
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DL.getValueOrABITypeAlignment(MaybeAlign(), FourByteAlignType));
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}
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} // anonymous namespace
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