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
  18 #include "llvm-c/Initialization.h"
  19 #include "llvm/Analysis/Passes.h"
  20 #include "llvm/Analysis/Verifier.h"
  21 #include "llvm/IR/DataLayout.h"
  22 #include "llvm/InitializePasses.h"
  23 #include "llvm/PassManager.h"
  24 #include "llvm/Support/Commandline.h"
  25
  26 using namespace llvm;
  27 using namespace llvm::objcarc;
  28
  29 /// \brief A handy option to enable/disable all ARC Optimizations.
  30 bool llvm::objcarc::EnableARCOpts;
  31 static cl::opt<bool, true>
  32 EnableARCOptimizations("enable-objc-arc-opts",
  33                        cl::location(EnableARCOpts),
  34                        cl::init(true));
  35
  36 /// initializeObjCARCOptsPasses - Initialize all passes linked into the
  37 /// ObjCARCOpts library.
  38 void llvm::initializeObjCARCOpts(PassRegistry &Registry) {
  39   initializeObjCARCAliasAnalysisPass(Registry);
  40   initializeObjCARCAPElimPass(Registry);
  41   initializeObjCARCExpandPass(Registry);
  42   initializeObjCARCContractPass(Registry);
  43   initializeObjCARCOptPass(Registry);
  44 }
  45
  46 void LLVMInitializeObjCARCOpts(LLVMPassRegistryRef R) {
  47   initializeObjCARCOpts(*unwrap(R));
  48 }