lib/Transforms/ObjCARC/ObjCARC.cpp

   1 //===-- ObjCARC.cpp -------------------------------------------------------===//
   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 common infrastructure for libLLVMObjCARCOpts.a, which
  11 // implements several scalar transformations over the LLVM intermediate
  12 // representation, including the C bindings for that library.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include "ObjCARC.h"
  17 #include "llvm-c/Core.h"
  18 #include "llvm-c/Initialization.h"
  19 #include "llvm/InitializePasses.h"
  20 #include "llvm/Wrap.h"
  21 #include "llvm/Support/CommandLine.h"
  22
  23 namespace llvm {
  24   class PassRegistry;
  25 }
  26
  27 using namespace llvm;
  28 using namespace llvm::objcarc;
  29
  30 /// \brief A handy option to enable/disable all ARC Optimizations.
  31 bool llvm::objcarc::EnableARCOpts;
  32 static cl::opt<bool, true>
  33 EnableARCOptimizations("enable-objc-arc-opts",
  34                        cl::desc("enable/disable all ARC Optimizations"),
  35                        cl::location(EnableARCOpts),
  36                        cl::init(true));
  37
  38 /// initializeObjCARCOptsPasses - Initialize all passes linked into the
  39 /// ObjCARCOpts library.
  40 void llvm::initializeObjCARCOpts(PassRegistry &Registry) {
  41   initializeObjCARCAliasAnalysisPass(Registry);
  42   initializeObjCARCAPElimPass(Registry);
  43   initializeObjCARCExpandPass(Registry);
  44   initializeObjCARCContractPass(Registry);
  45   initializeObjCARCOptPass(Registry);
  46 }
  47
  48 void LLVMInitializeObjCARCOpts(LLVMPassRegistryRef R) {
  49   initializeObjCARCOpts(*unwrap(R));
  50 }