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llvm
MC
MCSymbolTableEntry.h
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//===-- llvm/MC/MCSymbolTableEntry.h - Symbol table entry -------*- C++ -*-===//
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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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#ifndef LLVM_MC_MCSYMBOLTABLEENTRY_H
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#define LLVM_MC_MCSYMBOLTABLEENTRY_H
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#include "
llvm/ADT/StringMapEntry.h
"
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namespace
llvm
{
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class
MCSymbol
;
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/// The value for an entry in the symbol table of an MCContext.
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///
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/// This is in a separate file, because MCSymbol uses MCSymbolTableEntry (see
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/// below) to reuse the name that is stored in the symbol table.
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struct
MCSymbolTableValue
{
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/// The symbol associated with the name, if any.
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MCSymbol
*
Symbol
=
nullptr
;
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/// The next ID to dole out to an unnamed assembler temporary symbol with
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/// the prefix (symbol table key).
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unsigned
NextUniqueID
= 0;
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/// Whether the name associated with this value is used for a symbol. This is
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/// not necessarily true: sometimes, we use a symbol table value without an
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/// associated symbol for accessing NextUniqueID when a suffix is added to a
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/// name. However, Used might be true even if Symbol is nullptr: temporary
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/// named symbols are not added to the symbol table.
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bool
Used
=
false
;
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};
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/// MCContext stores MCSymbolTableValue in a string map (see MCSymbol::operator
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/// new). To avoid redundant storage of the name, MCSymbol stores a pointer (8
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/// bytes -- half the size of a StringRef) to the entry to access it.
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using
MCSymbolTableEntry
=
StringMapEntry<MCSymbolTableValue>
;
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}
// end namespace llvm
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#endif
StringMapEntry.h
This file defines the StringMapEntry class - it is intended to be a low dependency implementation det...
llvm::MCSymbol
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition:
MCSymbol.h:41
llvm::StringMapEntry
StringMapEntry - This is used to represent one value that is inserted into a StringMap.
Definition:
StringMapEntry.h:102
llvm::ISD::MCSymbol
@ MCSymbol
Definition:
ISDOpcodes.h:178
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition:
AddressRanges.h:18
llvm::MCSymbolTableValue
The value for an entry in the symbol table of an MCContext.
Definition:
MCSymbolTableEntry.h:22
llvm::MCSymbolTableValue::Used
bool Used
Whether the name associated with this value is used for a symbol.
Definition:
MCSymbolTableEntry.h:35
llvm::MCSymbolTableValue::NextUniqueID
unsigned NextUniqueID
The next ID to dole out to an unnamed assembler temporary symbol with the prefix (symbol table key).
Definition:
MCSymbolTableEntry.h:28
llvm::MCSymbolTableValue::Symbol
MCSymbol * Symbol
The symbol associated with the name, if any.
Definition:
MCSymbolTableEntry.h:24
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