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https://github.com/c64scene-ar/llvm-6502.git
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47f66d5a75
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192924 91177308-0d34-0410-b5e6-96231b3b80d8
116 lines
3.8 KiB
C++
116 lines
3.8 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(Data1, 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(TrivialType, 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 Unnamed(dwarf::DW_TAG_structure_type);
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DIEInteger One(1);
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Unnamed.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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Unnamed.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
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Unnamed.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
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uint64_t MD5Res = DIEHash().computeTypeSignature(&Unnamed);
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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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TEST(NamedType, DIEHash) {
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// A complete named type containing no members and defined on the first line
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// of a file.
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DIE Foo(dwarf::DW_TAG_structure_type);
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DIEInteger One(1);
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DIEString FooStr(&One, "foo");
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Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
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Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
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uint64_t MD5Res = DIEHash().computeTypeSignature(&Foo);
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// The exact same hash GCC produces for this DIE.
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ASSERT_EQ(0xd566dbd2ca5265ffULL, MD5Res);
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}
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TEST(NamespacedType, DIEHash) {
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// A complete named type containing no members and defined on the first line
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// of a file.
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DIE CU(dwarf::DW_TAG_compile_unit);
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DIE *Space = new DIE(dwarf::DW_TAG_namespace);
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DIEInteger One(1);
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DIEString SpaceStr(&One, "space");
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Space->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &SpaceStr);
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// DW_AT_declaration is ignored.
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Space->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
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// sibling?
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DIE *Foo = new DIE(dwarf::DW_TAG_structure_type);
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DIEString FooStr(&One, "foo");
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Foo->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
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Foo->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
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Space->addChild(Foo);
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CU.addChild(Space);
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uint64_t MD5Res = DIEHash().computeTypeSignature(Foo);
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// The exact same hash GCC produces for this DIE.
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ASSERT_EQ(0x7b80381fd17f1e33ULL, MD5Res);
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}
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TEST(TypeWithMember, DIEHash) {
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DIE Unnamed(dwarf::DW_TAG_structure_type);
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DIEInteger Four(4);
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Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
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DIE *Member = new DIE(dwarf::DW_TAG_member);
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DIEString MemberStr(&Four, "member");
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Member->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemberStr);
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// type
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DIEInteger Zero(0);
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Member->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, &Zero);
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Unnamed.addChild(Member);
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DIE Int(dwarf::DW_TAG_base_type);
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DIEString IntStr(&Four, "int");
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Int.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &IntStr);
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Int.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
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DIEInteger Five(5);
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Int.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, &Five);
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DIEEntry IntRef(&Int);
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Member->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &IntRef);
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uint64_t MD5Res = DIEHash().computeTypeSignature(&Unnamed);
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ASSERT_EQ(0x5646aa436b7e07c6ULL, MD5Res);
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}
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}
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