The ARC language-specific optimizer. Credit to Dan Gohman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 35 insertions, 0 deletions

diff --git a/include/llvm/Analysis/Passes.h b/include/llvm/Analysis/Passes.h
index 0eff75fe2f..a22bd12dec 100644
--- a/include/llvm/Analysis/Passes.h
+++ b/include/llvm/Analysis/Passes.h
@@ -88,6 +88,13 @@ namespace llvm {
 
   //===--------------------------------------------------------------------===//
   //
+  // createObjCARCAliasAnalysisPass - This pass implements ObjC-ARC-based
+  // alias analysis.
+  //
+  ImmutablePass *createObjCARCAliasAnalysisPass();
+
+  //===--------------------------------------------------------------------===//
+  //
   // createProfileLoaderPass - This pass loads information from a profile dump
   // file.
   //
diff --git a/include/llvm/InitializePasses.h b/include/llvm/InitializePasses.h
index 372eaba74a..de58252117 100644
--- a/include/llvm/InitializePasses.h
+++ b/include/llvm/InitializePasses.h
@@ -160,6 +160,10 @@ void initializeModuleDebugInfoPrinterPass(PassRegistry&);
 void initializeNoAAPass(PassRegistry&);
 void initializeNoProfileInfoPass(PassRegistry&);
 void initializeNoPathProfileInfoPass(PassRegistry&);
+void initializeObjCARCAliasAnalysisPass(PassRegistry&);
+void initializeObjCARCExpandPass(PassRegistry&);
+void initializeObjCARCContractPass(PassRegistry&);
+void initializeObjCARCOptPass(PassRegistry&);
 void initializeOptimalEdgeProfilerPass(PassRegistry&);
 void initializeOptimizePHIsPass(PassRegistry&);
 void initializePEIPass(PassRegistry&);
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index c02e1615de..c2ea8efb9a 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -97,6 +97,10 @@ namespace {
       (void) llvm::createLowerSwitchPass();
       (void) llvm::createNoAAPass();
       (void) llvm::createNoProfileInfoPass();
+      (void) llvm::createObjCARCAliasAnalysisPass();
+      (void) llvm::createObjCARCExpandPass();
+      (void) llvm::createObjCARCContractPass();
+      (void) llvm::createObjCARCOptPass();
       (void) llvm::createProfileEstimatorPass();
       (void) llvm::createProfileVerifierPass();
       (void) llvm::createPathProfileVerifierPass();
diff --git a/include/llvm/Support/PassManagerBuilder.h b/include/llvm/Support/PassManagerBuilder.h
index 513bb887a0..31624db813 100644
--- a/include/llvm/Support/PassManagerBuilder.h
+++ b/include/llvm/Support/PassManagerBuilder.h
@@ -188,6 +188,7 @@ public:
       MPM.add(createArgumentPromotionPass());   // Scalarize uninlined fn args
     
     // Start of function pass.
+    MPM.add(createObjCARCExpandPass());         // Canonicalize ObjC ARC code.
     // Break up aggregate allocas, using SSAUpdater.
     MPM.add(createScalarReplAggregatesPass(-1, false));
     MPM.add(createEarlyCSEPass());              // Catch trivial redundancies
@@ -223,6 +224,7 @@ public:
     MPM.add(createJumpThreadingPass());         // Thread jumps
     MPM.add(createCorrelatedValuePropagationPass());
     MPM.add(createDeadStoreEliminationPass());  // Delete dead stores
+    MPM.add(createObjCARCOptPass());            // Objective-C ARC optimizations.
     MPM.add(createAggressiveDCEPass());         // Delete dead instructions
     MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
     MPM.add(createInstructionCombiningPass());  // Clean up after everything.
diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index de46a8d984..e830435751 100644
--- a/include/llvm/Transforms/Scalar.h
+++ b/include/llvm/Transforms/Scalar.h
@@ -338,6 +338,24 @@ Pass *createCorrelatedValuePropagationPass();
 
 //===----------------------------------------------------------------------===//
 //
+// 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();