third_party/LLVM/lib/CodeGen/OcamlGC.cpp

//===-- OcamlGC.cpp - Ocaml frametable GC strategy ------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements lowering for the llvm.gc* intrinsics compatible with
// Objective Caml 3.10.0, which uses a liveness-accurate static stack map.
//
// The frametable emitter is in OcamlGCPrinter.cpp.
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/GCs.h"
#include "llvm/CodeGen/GCStrategy.h"

using namespace llvm;

namespace {
  class OcamlGC : public GCStrategy {
  public:
    OcamlGC();
  };
}

static GCRegistry::Add<OcamlGC>
X("ocaml", "ocaml 3.10-compatible GC");

void llvm::linkOcamlGC() { }

OcamlGC::OcamlGC() {
  NeededSafePoints = 1 << GC::PostCall;
  UsesMetadata = true;
}