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e56023a059
Finish off PR23080 by renaming the debug info IR constructs from `MD*` to `DI*`. The last of the `DIDescriptor` classes were deleted in r235356, and the last of the related typedefs removed in r235413, so this has all baked for about a week. Note: If you have out-of-tree code (like a frontend), I recommend that you get everything compiling and tests passing with the *previous* commit before updating to this one. It'll be easier to keep track of what code is using the `DIDescriptor` hierarchy and what you've already updated, and I think you're extremely unlikely to insert bugs. YMMV of course. Back to *this* commit: I did this using the rename-md-di-nodes.sh upgrade script I've attached to PR23080 (both code and testcases) and filtered through clang-format-diff.py. I edited the tests for test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns were off-by-three. It should work on your out-of-tree testcases (and code, if you've followed the advice in the previous paragraph). Some of the tests are in badly named files now (e.g., test/Assembler/invalid-mdcompositetype-missing-tag.ll should be 'dicompositetype'); I'll come back and move the files in a follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
//===-- llvm/CodeGen/DwarfFile.h - Dwarf Debug Framework -------*- C++ -*--===//
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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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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFFILE_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFFILE_H
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#include "AddressPool.h"
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#include "DwarfStringPool.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/FoldingSet.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/Support/Allocator.h"
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#include <memory>
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#include <string>
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#include <vector>
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namespace llvm {
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class AsmPrinter;
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class DbgVariable;
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class DwarfUnit;
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class DIEAbbrev;
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class MCSymbol;
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class DIE;
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class LexicalScope;
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class StringRef;
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class DwarfDebug;
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class MCSection;
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class DwarfFile {
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// Target of Dwarf emission, used for sizing of abbreviations.
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AsmPrinter *Asm;
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// Used to uniquely define abbreviations.
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FoldingSet<DIEAbbrev> AbbreviationsSet;
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// A list of all the unique abbreviations in use.
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std::vector<DIEAbbrev *> Abbreviations;
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// A pointer to all units in the section.
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SmallVector<std::unique_ptr<DwarfUnit>, 1> CUs;
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DwarfStringPool StrPool;
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// Collection of dbg variables of a scope.
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DenseMap<LexicalScope *, SmallVector<DbgVariable *, 8>> ScopeVariables;
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// Collection of abstract subprogram DIEs.
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DenseMap<const MDNode *, DIE *> AbstractSPDies;
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/// Maps MDNodes for type system with the corresponding DIEs. These DIEs can
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/// be shared across CUs, that is why we keep the map here instead
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/// of in DwarfCompileUnit.
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DenseMap<const MDNode *, DIE *> DITypeNodeToDieMap;
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public:
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DwarfFile(AsmPrinter *AP, StringRef Pref, BumpPtrAllocator &DA);
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~DwarfFile();
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const SmallVectorImpl<std::unique_ptr<DwarfUnit>> &getUnits() { return CUs; }
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/// \brief Compute the size and offset of a DIE given an incoming Offset.
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unsigned computeSizeAndOffset(DIE &Die, unsigned Offset);
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/// \brief Compute the size and offset of all the DIEs.
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void computeSizeAndOffsets();
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/// \brief Define a unique number for the abbreviation.
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void assignAbbrevNumber(DIEAbbrev &Abbrev);
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/// \brief Add a unit to the list of CUs.
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void addUnit(std::unique_ptr<DwarfUnit> U);
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/// \brief Emit all of the units to the section listed with the given
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/// abbreviation section.
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void emitUnits(bool UseOffsets);
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/// \brief Emit a set of abbreviations to the specific section.
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void emitAbbrevs(const MCSection *);
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/// \brief Emit all of the strings to the section given.
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void emitStrings(const MCSection *StrSection,
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const MCSection *OffsetSection = nullptr);
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/// \brief Returns the string pool.
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DwarfStringPool &getStringPool() { return StrPool; }
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/// \returns false if the variable was merged with a previous one.
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bool addScopeVariable(LexicalScope *LS, DbgVariable *Var);
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DenseMap<LexicalScope *, SmallVector<DbgVariable *, 8>> &getScopeVariables() {
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return ScopeVariables;
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}
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DenseMap<const MDNode *, DIE *> &getAbstractSPDies() {
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return AbstractSPDies;
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}
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void insertDIE(const MDNode *TypeMD, DIE *Die) {
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DITypeNodeToDieMap.insert(std::make_pair(TypeMD, Die));
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}
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DIE *getDIE(const MDNode *TypeMD) {
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return DITypeNodeToDieMap.lookup(TypeMD);
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}
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};
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}
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#endif
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