mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-17 20:29:31 +00:00
844731a7f1
several things that were neither in an anonymous namespace nor static but not intended to be global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
//===- RegisterCoalescer.cpp - Generic Register Coalescing Interface -------==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the generic RegisterCoalescer interface which
|
|
// is used as the common interface used by all clients and
|
|
// implementations of register coalescing.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/CodeGen/RegisterCoalescer.h"
|
|
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
|
|
#include "llvm/CodeGen/MachineInstr.h"
|
|
#include "llvm/Target/TargetRegisterInfo.h"
|
|
#include "llvm/Pass.h"
|
|
|
|
using namespace llvm;
|
|
|
|
// Register the RegisterCoalescer interface, providing a nice name to refer to.
|
|
static RegisterAnalysisGroup<RegisterCoalescer> Z("Register Coalescer");
|
|
char RegisterCoalescer::ID = 0;
|
|
|
|
// RegisterCoalescer destructor: DO NOT move this to the header file
|
|
// for RegisterCoalescer or else clients of the RegisterCoalescer
|
|
// class may not depend on the RegisterCoalescer.o file in the current
|
|
// .a file, causing alias analysis support to not be included in the
|
|
// tool correctly!
|
|
//
|
|
RegisterCoalescer::~RegisterCoalescer() {}
|
|
|
|
// Because of the way .a files work, we must force the SimpleRC
|
|
// implementation to be pulled in if the RegisterCoalescer classes are
|
|
// pulled in. Otherwise we run the risk of RegisterCoalescer being
|
|
// used, but the default implementation not being linked into the tool
|
|
// that uses it.
|
|
DEFINING_FILE_FOR(RegisterCoalescer)
|