Vendor import of llvm trunk r178860:

http://llvm.org/svn/llvm-project/llvm/trunk@178860

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/Transforms/ObjCARC/ObjCARC.cpp b/lib/Transforms/ObjCARC/ObjCARC.cpp
new file mode 100644
index 0000000..53a31b0
--- /dev/null
+++ b/lib/Transforms/ObjCARC/ObjCARC.cpp
@@ -0,0 +1,48 @@
+//===-- ObjCARC.cpp -------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements common infrastructure for libLLVMObjCARCOpts.a, which
+// implements several scalar transformations over the LLVM intermediate
+// representation, including the C bindings for that library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ObjCARC.h"
+#include "llvm-c/Core.h"
+#include "llvm-c/Initialization.h"
+#include "llvm/InitializePasses.h"
+#include "llvm/Support/CommandLine.h"
+
+namespace llvm {
+  class PassRegistry;
+}
+
+using namespace llvm;
+using namespace llvm::objcarc;
+
+/// \brief A handy option to enable/disable all ARC Optimizations.
+bool llvm::objcarc::EnableARCOpts;
+static cl::opt<bool, true>
+EnableARCOptimizations("enable-objc-arc-opts",
+                       cl::location(EnableARCOpts),
+                       cl::init(true));
+
+/// initializeObjCARCOptsPasses - Initialize all passes linked into the
+/// ObjCARCOpts library.
+void llvm::initializeObjCARCOpts(PassRegistry &Registry) {
+  initializeObjCARCAliasAnalysisPass(Registry);
+  initializeObjCARCAPElimPass(Registry);
+  initializeObjCARCExpandPass(Registry);
+  initializeObjCARCContractPass(Registry);
+  initializeObjCARCOptPass(Registry);
+}
+
+void LLVMInitializeObjCARCOpts(LLVMPassRegistryRef R) {
+  initializeObjCARCOpts(*unwrap(R));
+}