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      1 //===-- OcamlGC.cpp - Ocaml frametable GC strategy ------------------------===//
      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 lowering for the llvm.gc* intrinsics compatible with
     11 // Objective Caml 3.10.0, which uses a liveness-accurate static stack map.
     12 //
     13 // The frametable emitter is in OcamlGCPrinter.cpp.
     14 //
     15 //===----------------------------------------------------------------------===//
     16 
     17 #include "llvm/CodeGen/GCs.h"
     18 #include "llvm/CodeGen/GCStrategy.h"
     19 
     20 using namespace llvm;
     21 
     22 namespace {
     23   class OcamlGC : public GCStrategy {
     24   public:
     25     OcamlGC();
     26   };
     27 }
     28 
     29 static GCRegistry::Add<OcamlGC>
     30 X("ocaml", "ocaml 3.10-compatible GC");
     31 
     32 void llvm::linkOcamlGC() { }
     33 
     34 OcamlGC::OcamlGC() {
     35   NeededSafePoints = 1 << GC::PostCall;
     36   UsesMetadata = true;
     37 }
     38