vendor/llvm/llvm-r72732

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/CodeGen/OcamlGC.cpp b/lib/CodeGen/OcamlGC.cpp
new file mode 100644
index 000000000000..f7bc9f3d31dd
--- /dev/null
+++ b/lib/CodeGen/OcamlGC.cpp
@@ -0,0 +1,38 @@
+//===-- 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"
+#include "llvm/Support/Compiler.h"
+
+using namespace llvm;
+
+namespace {
+  class VISIBILITY_HIDDEN 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;
+}