Extracted ObjCARC.cpp into its own library libLLVMObjCARCOpts in preparation for refactoring the ARC Optimizer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173647 91177308-0d34-0410-b5e6-96231b3b80d8

25 files changed, 152 insertions, 42 deletions

diff --git a/include/llvm-c/Initialization.h b/include/llvm-c/Initialization.h
index cb3ab9e3f3..ada473818d 100644
--- a/include/llvm-c/Initialization.h
+++ b/include/llvm-c/Initialization.h
@@ -34,6 +34,7 @@ extern "C" {
 void LLVMInitializeCore(LLVMPassRegistryRef R);
 void LLVMInitializeTransformUtils(LLVMPassRegistryRef R);
 void LLVMInitializeScalarOpts(LLVMPassRegistryRef R);
+void LLVMInitializeObjCARCOpts(LLVMPassRegistryRef R);
 void LLVMInitializeVectorization(LLVMPassRegistryRef R);
 void LLVMInitializeInstCombine(LLVMPassRegistryRef R);
 void LLVMInitializeIPO(LLVMPassRegistryRef R);
diff --git a/include/llvm/InitializePasses.h b/include/llvm/InitializePasses.h
index aaffd6c9a7..8d6e64e88f 100644
--- a/include/llvm/InitializePasses.h
+++ b/include/llvm/InitializePasses.h
@@ -31,6 +31,10 @@ void initializeTransformUtils(PassRegistry&);
 /// ScalarOpts library.
 void initializeScalarOpts(PassRegistry&);
 
+/// initializeObjCARCOpts - Initialize all passes linked into the ObjCARCOpts
+/// library.
+void initializeObjCARCOpts(PassRegistry&);
+
 /// initializeVectorization - Initialize all passes linked into the
 /// Vectorize library.
 void initializeVectorization(PassRegistry&);
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 5cc38d6c95..d61ecab214 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -31,6 +31,7 @@
 #include "llvm/IR/Function.h"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/Instrumentation.h"
+#include "llvm/Transforms/ObjCARC.h"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
 #include "llvm/Transforms/Vectorize.h"
diff --git a/include/llvm/Transforms/ObjCARC.h b/include/llvm/Transforms/ObjCARC.h
new file mode 100644
index 0000000000..b3c19c077e
--- /dev/null
+++ b/include/llvm/Transforms/ObjCARC.h
@@ -0,0 +1,49 @@
+//===-- ObjCARC.h - ObjCARC Scalar Transformations --------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header file defines prototypes for accessor functions that expose passes
+// in the ObjCARC Scalar Transformations library.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_OBJCARC_H
+#define LLVM_TRANSFORMS_OBJCARC_H
+
+namespace llvm {
+
+class Pass;
+
+//===----------------------------------------------------------------------===//
+//
+// ObjCARCAPElim - ObjC ARC autorelease pool elimination.
+//
+Pass *createObjCARCAPElimPass();
+
+//===----------------------------------------------------------------------===//
+//
+// ObjCARCExpand - ObjC ARC preliminary simplifications.
+//
+Pass *createObjCARCExpandPass();
+
+//===----------------------------------------------------------------------===//
+//
+// ObjCARCContract - Late ObjC ARC cleanups.
+//
+Pass *createObjCARCContractPass();
+
+//===----------------------------------------------------------------------===//
+//
+// ObjCARCOpt - ObjC ARC optimization.
+//
+Pass *createObjCARCOptPass();
+
+} // End llvm namespace
+
+#endif
+
diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index d465127ba0..e89759a097 100644
--- a/include/llvm/Transforms/Scalar.h
+++ b/include/llvm/Transforms/Scalar.h
@@ -334,30 +334,6 @@ Pass *createCorrelatedValuePropagationPass();
 
 //===----------------------------------------------------------------------===//
 //
-// ObjCARCAPElim - ObjC ARC autorelease pool elimination.
-//
-Pass *createObjCARCAPElimPass();
-
-//===----------------------------------------------------------------------===//
-//
-// ObjCARCExpand - ObjC ARC preliminary simplifications.
-//
-Pass *createObjCARCExpandPass();
-
-//===----------------------------------------------------------------------===//
-//
-// ObjCARCContract - Late ObjC ARC cleanups.
-//
-Pass *createObjCARCContractPass();
-
-//===----------------------------------------------------------------------===//
-//
-// ObjCARCOpt - ObjC ARC optimization.
-//
-Pass *createObjCARCOptPass();
-
-//===----------------------------------------------------------------------===//
-//
 // InstructionSimplifier - Remove redundant instructions.
 //
 FunctionPass *createInstructionSimplifierPass();
diff --git a/lib/CodeGen/LLVMBuild.txt b/lib/CodeGen/LLVMBuild.txt
index fee0347ea6..81ef1aa89d 100644
--- a/lib/CodeGen/LLVMBuild.txt
+++ b/lib/CodeGen/LLVMBuild.txt
@@ -22,4 +22,4 @@ subdirectories = AsmPrinter SelectionDAG
 type = Library
 name = CodeGen
 parent = Libraries
-required_libraries = Analysis Core MC Scalar Support Target TransformUtils
+required_libraries = Analysis Core MC Scalar Support Target TransformUtils ObjCARC
diff --git a/lib/Transforms/CMakeLists.txt b/lib/Transforms/CMakeLists.txt
index de1353e6c1..2bb6e90590 100644
--- a/lib/Transforms/CMakeLists.txt
+++ b/lib/Transforms/CMakeLists.txt
@@ -5,3 +5,4 @@ add_subdirectory(Scalar)
 add_subdirectory(IPO)
 add_subdirectory(Vectorize)
 add_subdirectory(Hello)
+add_subdirectory(ObjCARC)
diff --git a/lib/Transforms/IPO/LLVMBuild.txt b/lib/Transforms/IPO/LLVMBuild.txt
index b18c9150f4..124cbb6f05 100644
--- a/lib/Transforms/IPO/LLVMBuild.txt
+++ b/lib/Transforms/IPO/LLVMBuild.txt
@@ -20,4 +20,4 @@ type = Library
 name = IPO
 parent = Transforms
 library_name = ipo
-required_libraries = Analysis Core IPA InstCombine Scalar Vectorize Support Target TransformUtils
+required_libraries = Analysis Core IPA InstCombine Scalar Vectorize Support Target TransformUtils ObjCARC
diff --git a/lib/Transforms/LLVMBuild.txt b/lib/Transforms/LLVMBuild.txt
index f7bca064c7..15e9fba0a7 100644
--- a/lib/Transforms/LLVMBuild.txt
+++ b/lib/Transforms/LLVMBuild.txt
@@ -16,7 +16,7 @@
 ;===------------------------------------------------------------------------===;
 
 [common]
-subdirectories = IPO InstCombine Instrumentation Scalar Utils Vectorize
+subdirectories = IPO InstCombine Instrumentation Scalar Utils Vectorize ObjCARC
 
 [component_0]
 type = Group
diff --git a/lib/Transforms/Makefile b/lib/Transforms/Makefile
index 8b1df92fa2..c390517d07 100644
--- a/lib/Transforms/Makefile
+++ b/lib/Transforms/Makefile
@@ -8,7 +8,7 @@
 ##===----------------------------------------------------------------------===##
 
 LEVEL = ../..
-PARALLEL_DIRS = Utils Instrumentation Scalar InstCombine IPO Vectorize Hello
+PARALLEL_DIRS = Utils Instrumentation Scalar InstCombine IPO Vectorize Hello ObjCARC
 
 include $(LEVEL)/Makefile.config
 
diff --git a/lib/Transforms/ObjCARC/CMakeLists.txt b/lib/Transforms/ObjCARC/CMakeLists.txt
new file mode 100644
index 0000000000..ab17267e32
--- /dev/null
+++ b/lib/Transforms/ObjCARC/CMakeLists.txt
@@ -0,0 +1,6 @@
+add_llvm_library(LLVMObjCARCOpts
+  ObjCARC.cpp
+  ObjCARCOpts.cpp
+  )
+
+add_dependencies(LLVMObjCARCOpts intrinsics_gen)
diff --git a/lib/Transforms/ObjCARC/LLVMBuild.txt b/lib/Transforms/ObjCARC/LLVMBuild.txt
new file mode 100644
index 0000000000..61eced0c2c
--- /dev/null
+++ b/lib/Transforms/ObjCARC/LLVMBuild.txt
@@ -0,0 +1,23 @@
+;===- ./lib/Transforms/ObjCARC/LLVMBuild.txt ---       ---------*- Conf -*--===;
+;
+;                     The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+;   http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[component_0]
+type = Library
+name = ObjCARC
+parent = Transforms
+library_name = ObjCARCOpts
+required_libraries = Analysis Core InstCombine Support Target TransformUtils
diff --git a/lib/Transforms/ObjCARC/Makefile b/lib/Transforms/ObjCARC/Makefile
new file mode 100644
index 0000000000..2a34e21714
--- /dev/null
+++ b/lib/Transforms/ObjCARC/Makefile
@@ -0,0 +1,15 @@
+##===- lib/Transforms/ObjCARC/Makefile ---------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../..
+LIBRARYNAME = LLVMObjCARCOpts
+BUILD_ARCHIVE = 1
+
+include $(LEVEL)/Makefile.common
+
diff --git a/lib/Transforms/ObjCARC/ObjCARC.cpp b/lib/Transforms/ObjCARC/ObjCARC.cpp
new file mode 100644
index 0000000000..d4e3149de4
--- /dev/null
+++ b/lib/Transforms/ObjCARC/ObjCARC.cpp
@@ -0,0 +1,38 @@
+//===-- 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 "llvm/Transforms/ObjCARC.h"
+#include "llvm-c/Initialization.h"
+#include "llvm/Analysis/Passes.h"
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/InitializePasses.h"
+#include "llvm/PassManager.h"
+
+using namespace llvm;
+
+/// 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));
+}
diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index 0dab0ff335..411da6467a 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -1,4 +1,4 @@
-//===- ObjCARC.cpp - ObjC ARC Optimization --------------------------------===//
+//===- ObjCARCOpts.cpp - ObjC ARC Optimization ----------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -932,7 +932,7 @@ ObjCARCAliasAnalysis::getModRefInfo(ImmutableCallSite CS1,
 /// @{
 
 #include "llvm/Support/InstIterator.h"
-#include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/ObjCARC.h"
 
 namespace {
   /// \brief Early ARC transformations.
diff --git a/lib/Transforms/Scalar/CMakeLists.txt b/lib/Transforms/Scalar/CMakeLists.txt
index b3fc6e338c..fd55e082ac 100644
--- a/lib/Transforms/Scalar/CMakeLists.txt
+++ b/lib/Transforms/Scalar/CMakeLists.txt
@@ -21,7 +21,6 @@ add_llvm_library(LLVMScalarOpts
   LoopUnswitch.cpp
   LowerAtomic.cpp
   MemCpyOptimizer.cpp
-  ObjCARC.cpp
   Reassociate.cpp
   Reg2Mem.cpp
   SCCP.cpp
diff --git a/lib/Transforms/Scalar/Scalar.cpp b/lib/Transforms/Scalar/Scalar.cpp
index 35d2fa04c2..8a9c7da113 100644
--- a/lib/Transforms/Scalar/Scalar.cpp
+++ b/lib/Transforms/Scalar/Scalar.cpp
@@ -50,11 +50,6 @@ void llvm::initializeScalarOpts(PassRegistry &Registry) {
   initializeLowerAtomicPass(Registry);
   initializeLowerExpectIntrinsicPass(Registry);
   initializeMemCpyOptPass(Registry);
-  initializeObjCARCAliasAnalysisPass(Registry);
-  initializeObjCARCAPElimPass(Registry);
-  initializeObjCARCExpandPass(Registry);
-  initializeObjCARCContractPass(Registry);
-  initializeObjCARCOptPass(Registry);
   initializeReassociatePass(Registry);
   initializeRegToMemPass(Registry);
   initializeSCCPPass(Registry);
diff --git a/tools/bugpoint/CMakeLists.txt b/tools/bugpoint/CMakeLists.txt
index ee2235bf42..3c5e64fdab 100644
--- a/tools/bugpoint/CMakeLists.txt
+++ b/tools/bugpoint/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(LLVM_LINK_COMPONENTS asmparser instrumentation scalaropts ipo
-  linker bitreader bitwriter vectorize)
+  linker bitreader bitwriter vectorize objcarcopts)
 
 add_llvm_tool(bugpoint
   BugDriver.cpp
diff --git a/tools/bugpoint/LLVMBuild.txt b/tools/bugpoint/LLVMBuild.txt
index 549d9d0233..e03c594bf9 100644
--- a/tools/bugpoint/LLVMBuild.txt
+++ b/tools/bugpoint/LLVMBuild.txt
@@ -19,4 +19,4 @@
 type = Tool
 name = bugpoint
 parent = Tools
-required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Linker Scalar
+required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Linker Scalar ObjCARC
diff --git a/tools/bugpoint/Makefile b/tools/bugpoint/Makefile
index 34f4bddb01..65ffc13022 100644
--- a/tools/bugpoint/Makefile
+++ b/tools/bugpoint/Makefile
@@ -10,6 +10,6 @@
 LEVEL := ../..
 TOOLNAME := bugpoint
 LINK_COMPONENTS := asmparser instrumentation scalaropts ipo linker bitreader \
-                   bitwriter vectorize
+                   bitwriter vectorize objcarcopts
 
 include $(LEVEL)/Makefile.common
diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index c7a2300063..5e8fdd145e 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -120,6 +120,7 @@ int main(int argc, char **argv) {
   PassRegistry &Registry = *PassRegistry::getPassRegistry();
   initializeCore(Registry);
   initializeScalarOpts(Registry);
+  initializeObjCARCOpts(Registry);
   initializeVectorization(Registry);
   initializeIPO(Registry);
   initializeAnalysis(Registry);
diff --git a/tools/opt/CMakeLists.txt b/tools/opt/CMakeLists.txt
index 32de6d4060..cf5e5a83cf 100644
--- a/tools/opt/CMakeLists.txt
+++ b/tools/opt/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(LLVM_LINK_COMPONENTS ${LLVM_TARGETS_TO_BUILD} bitreader asmparser bitwriter instrumentation scalaropts ipo vectorize)
+set(LLVM_LINK_COMPONENTS ${LLVM_TARGETS_TO_BUILD} bitreader asmparser bitwriter instrumentation scalaropts objcarcopts ipo vectorize)
 
 add_llvm_tool(opt
   AnalysisWrappers.cpp
diff --git a/tools/opt/LLVMBuild.txt b/tools/opt/LLVMBuild.txt
index b174431e04..a866d12a26 100644
--- a/tools/opt/LLVMBuild.txt
+++ b/tools/opt/LLVMBuild.txt
@@ -19,4 +19,4 @@
 type = Tool
 name = opt
 parent = Tools
-required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Scalar all-targets
+required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Scalar ObjCARC all-targets
diff --git a/tools/opt/Makefile b/tools/opt/Makefile
index ee7e1cf796..79ed815dce 100644
--- a/tools/opt/Makefile
+++ b/tools/opt/Makefile
@@ -9,6 +9,6 @@
 
 LEVEL := ../..
 TOOLNAME := opt
-LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts ipo vectorize all-targets
+LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts objcarcopts ipo vectorize all-targets
 
 include $(LEVEL)/Makefile.common
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index a73525fad6..81a2de2d55 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -567,6 +567,7 @@ int main(int argc, char **argv) {
   PassRegistry &Registry = *PassRegistry::getPassRegistry();
   initializeCore(Registry);
   initializeScalarOpts(Registry);
+  initializeObjCARCOpts(Registry);
   initializeVectorization(Registry);
   initializeIPO(Registry);
   initializeAnalysis(Registry);