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 linkOcamlGC()32void llvm::linkOcamlGC() { } 33 OcamlGC()34OcamlGC::OcamlGC() { 35 NeededSafePoints = 1 << GC::PostCall; 36 UsesMetadata = true; 37 } 38