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include
llvm
MC
MCLabel.h
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//===- MCLabel.h - Machine Code Directional Local Labels --------*- 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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//
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// This file contains the declaration of the MCLabel class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCLABEL_H
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#define LLVM_MC_MCLABEL_H
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namespace
llvm
{
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class
raw_ostream;
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/// Instances of this class represent a label name in the MC file,
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/// and MCLabel are created and uniqued by the MCContext class. MCLabel
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/// should only be constructed for valid instances in the object file.
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class
MCLabel
{
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// The instance number of this Directional Local Label.
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unsigned
Instance;
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private
:
// MCContext creates and uniques these.
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friend
class
MCContext
;
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MCLabel
(
unsigned
instance) : Instance(instance) {}
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public
:
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MCLabel
(
const
MCLabel
&) =
delete
;
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MCLabel
&
operator=
(
const
MCLabel
&) =
delete
;
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/// Get the current instance of this Directional Local Label.
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unsigned
getInstance
()
const
{
return
Instance; }
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/// Increment the current instance of this Directional Local Label.
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unsigned
incInstance
() {
return
++Instance; }
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/// Print the value to the stream \p OS.
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void
print
(
raw_ostream
&
OS
)
const
;
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/// Print the value to stderr.
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void
dump
()
const
;
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};
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inline
raw_ostream
&
operator<<
(
raw_ostream
&
OS
,
const
MCLabel
&Label) {
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Label.print(
OS
);
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return
OS
;
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}
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}
// end namespace llvm
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#endif
// LLVM_MC_MCLABEL_H
OS
raw_pwrite_stream & OS
Definition:
SampleProfWriter.cpp:53
llvm::MCContext
Context object for machine code objects.
Definition:
MCContext.h:83
llvm::MCLabel
Instances of this class represent a label name in the MC file, and MCLabel are created and uniqued by...
Definition:
MCLabel.h:23
llvm::MCLabel::MCLabel
MCLabel(const MCLabel &)=delete
llvm::MCLabel::incInstance
unsigned incInstance()
Increment the current instance of this Directional Local Label.
Definition:
MCLabel.h:40
llvm::MCLabel::print
void print(raw_ostream &OS) const
Print the value to the stream OS.
Definition:
MCLabel.cpp:17
llvm::MCLabel::dump
void dump() const
Print the value to stderr.
Definition:
MCLabel.cpp:22
llvm::MCLabel::getInstance
unsigned getInstance() const
Get the current instance of this Directional Local Label.
Definition:
MCLabel.h:37
llvm::MCLabel::operator=
MCLabel & operator=(const MCLabel &)=delete
llvm::raw_ostream
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition:
raw_ostream.h:52
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition:
AddressRanges.h:18
llvm::operator<<
raw_ostream & operator<<(raw_ostream &OS, const APFixedPoint &FX)
Definition:
APFixedPoint.h:292
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