1//===-- ErlangGC.cpp - Erlang/OTP GC strategy -------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements the Erlang/OTP runtime-compatible garbage collector
11// (e.g. defines safe points, root initialization etc.)
12//
13// The frametable emitter is in ErlangGCPrinter.cpp.
14//
15//===----------------------------------------------------------------------===//
16
17#include "llvm/CodeGen/GCs.h"
18#include "llvm/CodeGen/GCStrategy.h"
19#include "llvm/CodeGen/MachineInstrBuilder.h"
20#include "llvm/MC/MCContext.h"
21#include "llvm/MC/MCSymbol.h"
22#include "llvm/Target/TargetInstrInfo.h"
23#include "llvm/Target/TargetMachine.h"
24#include "llvm/Target/TargetSubtargetInfo.h"
25
26using namespace llvm;
27
28namespace {
29
30class ErlangGC : public GCStrategy {
31public:
32  ErlangGC();
33};
34}
35
36static GCRegistry::Add<ErlangGC> X("erlang",
37                                   "erlang-compatible garbage collector");
38
39void llvm::linkErlangGC() {}
40
41ErlangGC::ErlangGC() {
42  InitRoots = false;
43  NeededSafePoints = 1 << GC::PostCall;
44  UsesMetadata = true;
45  CustomRoots = false;
46}
47