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c098708220
This allows us to produce the same hash as GCC for at least some simple examples. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192855 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
//===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../lib/CodeGen/AsmPrinter/DIE.h"
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#include "../lib/CodeGen/AsmPrinter/DIEHash.h"
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#include "llvm/Support/Dwarf.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/Format.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(DIEHashData1Test, DIEHash) {
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DIEHash Hash;
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DIE Die(dwarf::DW_TAG_base_type);
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DIEInteger Size(4);
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Die.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Size);
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uint64_t MD5Res = Hash.computeTypeSignature(&Die);
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ASSERT_EQ(0x1AFE116E83701108ULL, MD5Res);
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}
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TEST(DIEHashTrivialTypeTest, DIEHash) {
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// A complete, but simple, type containing no members and defined on the first
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// line of a file.
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DIE FooType(dwarf::DW_TAG_structure_type);
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DIEInteger One(1);
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FooType.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
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// Line and file number are ignored.
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FooType.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
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FooType.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
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uint64_t MD5Res = DIEHash().computeTypeSignature(&FooType);
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// The exact same hash GCC produces for this DIE.
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ASSERT_EQ(0x715305ce6cfd9ad1ULL, MD5Res);
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}
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}
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