Move methods in PassManagerBuilder offline.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136727 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 281 insertions, 236 deletions

diff --git a/include/llvm/Transforms/IPO/PassManagerBuilder.h b/include/llvm/Transforms/IPO/PassManagerBuilder.h
index 555ec2910d..9446244dbd 100644
--- a/include/llvm/Transforms/IPO/PassManagerBuilder.h
+++ b/include/llvm/Transforms/IPO/PassManagerBuilder.h
@@ -10,24 +10,19 @@
 // This file defines the PassManagerBuilder class, which is used to set up a
 // "standard" optimization sequence suitable for languages like C and C++.
 //
-// These are implemented as inline functions so that we do not have to worry
-// about link issues.
-//
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_SUPPORT_PASSMANAGERBUILDER_H
 #define LLVM_SUPPORT_PASSMANAGERBUILDER_H
 
-#include "llvm/PassManager.h"
-#include "llvm/DefaultPasses.h"
-#include "llvm/Analysis/Passes.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Target/TargetLibraryInfo.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Transforms/IPO.h"
+#include <vector>
 
 namespace llvm {
-  
+  class TargetLibraryInfo;
+  class PassManagerBase;
+  class Pass;
+  class FunctionPassManager;
+
 /// PassManagerBuilder - This class is used to set up a standard optimization
 /// sequence for languages like C and C++, allowing some APIs to customize the
 /// pass sequence in various ways. A simple example of using it would be:
@@ -54,7 +49,7 @@ namespace llvm {
 ///   ...
 class PassManagerBuilder {
 public:
-  
+
   /// Extensions are passed the builder itself (so they can see how it is
   /// configured) as well as the pass manager to add stuff to.
   typedef void (*ExtensionFn)(const PassManagerBuilder &Builder,
@@ -64,7 +59,7 @@ public:
     /// any other transformations, allowing them to see the code as it is coming
     /// out of the frontend.
     EP_EarlyAsPossible,
-    
+
     /// EP_LoopOptimizerEnd - This extension point allows adding loop passes to
     /// the end of the loop optimizer.
     EP_LoopOptimizerEnd,
@@ -74,258 +69,52 @@ public:
     /// cleanup-ish optimizations.
     EP_ScalarOptimizerLate
   };
-  
+
   /// The Optimization Level - Specify the basic optimization level.
   ///    0 = -O0, 1 = -O1, 2 = -O2, 3 = -O3
   unsigned OptLevel;
-  
+
   /// SizeLevel - How much we're optimizing for size.
   ///    0 = none, 1 = -Os, 2 = -Oz
   unsigned SizeLevel;
-  
+
   /// LibraryInfo - Specifies information about the runtime library for the
   /// optimizer.  If this is non-null, it is added to both the function and
   /// per-module pass pipeline.
   TargetLibraryInfo *LibraryInfo;
-  
+
   /// Inliner - Specifies the inliner to use.  If this is non-null, it is
   /// added to the per-module passes.
   Pass *Inliner;
-  
+
   bool DisableSimplifyLibCalls;
   bool DisableUnitAtATime;
   bool DisableUnrollLoops;
-  
+
 private:
   /// ExtensionList - This is list of all of the extensions that are registered.
   std::vector<std::pair<ExtensionPointTy, ExtensionFn> > Extensions;
-  
+
 public:
-  PassManagerBuilder() {
-    OptLevel = 2;
-    SizeLevel = 0;
-    LibraryInfo = 0;
-    Inliner = 0;
-    DisableSimplifyLibCalls = false;
-    DisableUnitAtATime = false;
-    DisableUnrollLoops = false;
-  }
-  
-  ~PassManagerBuilder() {
-    delete LibraryInfo;
-    delete Inliner;
-  }
-  
-  void addExtension(ExtensionPointTy Ty, ExtensionFn Fn) {
-    Extensions.push_back(std::make_pair(Ty, Fn));
-  }
-  
+  PassManagerBuilder();
+  ~PassManagerBuilder();
+  void addExtension(ExtensionPointTy Ty, ExtensionFn Fn);
+
 private:
-  void addExtensionsToPM(ExtensionPointTy ETy, PassManagerBase &PM) const {
-    for (unsigned i = 0, e = Extensions.size(); i != e; ++i)
-      if (Extensions[i].first == ETy)
-        Extensions[i].second(*this, PM);
-  }
-  
-  void addInitialAliasAnalysisPasses(PassManagerBase &PM) const {
-    // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
-    // BasicAliasAnalysis wins if they disagree. This is intended to help
-    // support "obvious" type-punning idioms.
-    PM.add(createTypeBasedAliasAnalysisPass());
-    PM.add(createBasicAliasAnalysisPass());
-  }
+  void addExtensionsToPM(ExtensionPointTy ETy, PassManagerBase &PM) const;
+  void addInitialAliasAnalysisPasses(PassManagerBase &PM) const;
 public:
-  
+
   /// populateFunctionPassManager - This fills in the function pass manager,
   /// which is expected to be run on each function immediately as it is
   /// generated.  The idea is to reduce the size of the IR in memory.
-  void populateFunctionPassManager(FunctionPassManager &FPM) {
-    addExtensionsToPM(EP_EarlyAsPossible, FPM);
-    
-    // Add LibraryInfo if we have some.
-    if (LibraryInfo) FPM.add(new TargetLibraryInfo(*LibraryInfo));
+  void populateFunctionPassManager(FunctionPassManager &FPM);
 
-    if (OptLevel == 0) return;
-
-    addInitialAliasAnalysisPasses(FPM);
-    
-    FPM.add(createCFGSimplificationPass());
-    FPM.add(createScalarReplAggregatesPass());
-    FPM.add(createEarlyCSEPass());
-    FPM.add(createLowerExpectIntrinsicPass());
-  }
-  
   /// populateModulePassManager - This sets up the primary pass manager.
-  void populateModulePassManager(PassManagerBase &MPM) {
-    // If all optimizations are disabled, just run the always-inline pass.
-    if (OptLevel == 0) {
-      if (Inliner) {
-        MPM.add(Inliner);
-        Inliner = 0;
-      }
-      return;
-    }
-      
-    // Add LibraryInfo if we have some.
-    if (LibraryInfo) MPM.add(new TargetLibraryInfo(*LibraryInfo));
-
-    addInitialAliasAnalysisPasses(MPM);
-    
-    if (!DisableUnitAtATime) {
-      MPM.add(createGlobalOptimizerPass());     // Optimize out global vars
-      
-      MPM.add(createIPSCCPPass());              // IP SCCP
-      MPM.add(createDeadArgEliminationPass());  // Dead argument elimination
-      
-      MPM.add(createInstructionCombiningPass());// Clean up after IPCP & DAE
-      MPM.add(createCFGSimplificationPass());   // Clean up after IPCP & DAE
-    }
-    
-    // Start of CallGraph SCC passes.
-    if (!DisableUnitAtATime)
-      MPM.add(createPruneEHPass());             // Remove dead EH info
-    if (Inliner) {
-      MPM.add(Inliner);
-      Inliner = 0;
-    }
-    if (!DisableUnitAtATime)
-      MPM.add(createFunctionAttrsPass());       // Set readonly/readnone attrs
-    if (OptLevel > 2)
-      MPM.add(createArgumentPromotionPass());   // Scalarize uninlined fn args
-    
-    // Start of function pass.
-    // Break up aggregate allocas, using SSAUpdater.
-    MPM.add(createScalarReplAggregatesPass(-1, false));
-    MPM.add(createEarlyCSEPass());              // Catch trivial redundancies
-    if (!DisableSimplifyLibCalls)
-      MPM.add(createSimplifyLibCallsPass());    // Library Call Optimizations
-    MPM.add(createJumpThreadingPass());         // Thread jumps.
-    MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals
-    MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
-    MPM.add(createInstructionCombiningPass());  // Combine silly seq's
-    
-    MPM.add(createTailCallEliminationPass());   // Eliminate tail calls
-    MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
-    MPM.add(createReassociatePass());           // Reassociate expressions
-    MPM.add(createLoopRotatePass());            // Rotate Loop
-    MPM.add(createLICMPass());                  // Hoist loop invariants
-    MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
-    MPM.add(createInstructionCombiningPass());  
-    MPM.add(createIndVarSimplifyPass());        // Canonicalize indvars
-    MPM.add(createLoopIdiomPass());             // Recognize idioms like memset.
-    MPM.add(createLoopDeletionPass());          // Delete dead loops
-    if (!DisableUnrollLoops)
-      MPM.add(createLoopUnrollPass());          // Unroll small loops
-    addExtensionsToPM(EP_LoopOptimizerEnd, MPM);
-
-    if (OptLevel > 1)
-      MPM.add(createGVNPass());                 // Remove redundancies
-    MPM.add(createMemCpyOptPass());             // Remove memcpy / form memset
-    MPM.add(createSCCPPass());                  // Constant prop with SCCP
-    
-    // Run instcombine after redundancy elimination to exploit opportunities
-    // opened up by them.
-    MPM.add(createInstructionCombiningPass());
-    MPM.add(createJumpThreadingPass());         // Thread jumps
-    MPM.add(createCorrelatedValuePropagationPass());
-    MPM.add(createDeadStoreEliminationPass());  // Delete dead stores
-
-    addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
-
-    MPM.add(createAggressiveDCEPass());         // Delete dead instructions
-    MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
-    MPM.add(createInstructionCombiningPass());  // Clean up after everything.
-    
-    if (!DisableUnitAtATime) {
-      // FIXME: We shouldn't bother with this anymore.
-      MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
-      
-      // GlobalOpt already deletes dead functions and globals, at -O3 try a
-      // late pass of GlobalDCE.  It is capable of deleting dead cycles.
-      if (OptLevel > 2)
-        MPM.add(createGlobalDCEPass());         // Remove dead fns and globals.
-      
-      if (OptLevel > 1)
-        MPM.add(createConstantMergePass());     // Merge dup global constants
-    }
-  }
-  
+  void populateModulePassManager(PassManagerBase &MPM);
   void populateLTOPassManager(PassManagerBase &PM, bool Internalize,
-                              bool RunInliner) {
-    // Provide AliasAnalysis services for optimizations.
-    addInitialAliasAnalysisPasses(PM);
-    
-    // Now that composite has been compiled, scan through the module, looking
-    // for a main function.  If main is defined, mark all other functions
-    // internal.
-    if (Internalize)
-      PM.add(createInternalizePass(true));
-    
-    // Propagate constants at call sites into the functions they call.  This
-    // opens opportunities for globalopt (and inlining) by substituting function
-    // pointers passed as arguments to direct uses of functions.  
-    PM.add(createIPSCCPPass());
-    
-    // Now that we internalized some globals, see if we can hack on them!
-    PM.add(createGlobalOptimizerPass());
-    
-    // Linking modules together can lead to duplicated global constants, only
-    // keep one copy of each constant.
-    PM.add(createConstantMergePass());
-    
-    // Remove unused arguments from functions.
-    PM.add(createDeadArgEliminationPass());
-    
-    // Reduce the code after globalopt and ipsccp.  Both can open up significant
-    // simplification opportunities, and both can propagate functions through
-    // function pointers.  When this happens, we often have to resolve varargs
-    // calls, etc, so let instcombine do this.
-    PM.add(createInstructionCombiningPass());
-
-    // Inline small functions
-    if (RunInliner)
-      PM.add(createFunctionInliningPass());
-    
-    PM.add(createPruneEHPass());   // Remove dead EH info.
-    
-    // Optimize globals again if we ran the inliner.
-    if (RunInliner)
-      PM.add(createGlobalOptimizerPass());
-    PM.add(createGlobalDCEPass()); // Remove dead functions.
-    
-    // If we didn't decide to inline a function, check to see if we can
-    // transform it to pass arguments by value instead of by reference.
-    PM.add(createArgumentPromotionPass());
-    
-    // The IPO passes may leave cruft around.  Clean up after them.
-    PM.add(createInstructionCombiningPass());
-    PM.add(createJumpThreadingPass());
-    // Break up allocas
-    PM.add(createScalarReplAggregatesPass());
-    
-    // Run a few AA driven optimizations here and now, to cleanup the code.
-    PM.add(createFunctionAttrsPass()); // Add nocapture.
-    PM.add(createGlobalsModRefPass()); // IP alias analysis.
-    
-    PM.add(createLICMPass());      // Hoist loop invariants.
-    PM.add(createGVNPass());       // Remove redundancies.
-    PM.add(createMemCpyOptPass()); // Remove dead memcpys.
-    // Nuke dead stores.
-    PM.add(createDeadStoreEliminationPass());
-    
-    // Cleanup and simplify the code after the scalar optimizations.
-    PM.add(createInstructionCombiningPass());
-    
-    PM.add(createJumpThreadingPass());
-    
-    // Delete basic blocks, which optimization passes may have killed.
-    PM.add(createCFGSimplificationPass());
-   
-    // Now that we have optimized the program, discard unreachable functions.
-    PM.add(createGlobalDCEPass());
-  }
+                              bool RunInliner);
 };
 
-  
 } // end namespace llvm
 #endif
diff --git a/lib/Transforms/IPO/CMakeLists.txt b/lib/Transforms/IPO/CMakeLists.txt
index d476cccf18..b7bf5e402a 100644
--- a/lib/Transforms/IPO/CMakeLists.txt
+++ b/lib/Transforms/IPO/CMakeLists.txt
@@ -16,6 +16,7 @@ add_llvm_library(LLVMipo
   LowerSetJmp.cpp
   MergeFunctions.cpp
   PartialInlining.cpp
+  PassManagerBuilder.cpp
   PruneEH.cpp
   StripDeadPrototypes.cpp
   StripSymbols.cpp
diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp
new file mode 100644
index 0000000000..cf2f262f62
--- /dev/null
+++ b/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -0,0 +1,248 @@
+//===- PassManagerBuilder.cpp - Build Standard Pass -----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the PassManagerBuilder class, which is used to set up a
+// "standard" optimization sequence suitable for languages like C and C++.
+//
+//===----------------------------------------------------------------------===//
+
+
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
+
+#include "llvm/PassManager.h"
+#include "llvm/DefaultPasses.h"
+#include "llvm/PassManager.h"
+#include "llvm/Analysis/Passes.h"
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/Target/TargetLibraryInfo.h"
+#include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/IPO.h"
+
+using namespace llvm;
+
+PassManagerBuilder::PassManagerBuilder() {
+    OptLevel = 2;
+    SizeLevel = 0;
+    LibraryInfo = 0;
+    Inliner = 0;
+    DisableSimplifyLibCalls = false;
+    DisableUnitAtATime = false;
+    DisableUnrollLoops = false;
+}
+
+PassManagerBuilder::~PassManagerBuilder() {
+  delete LibraryInfo;
+  delete Inliner;
+}
+
+void PassManagerBuilder::addExtension(ExtensionPointTy Ty, ExtensionFn Fn) {
+  Extensions.push_back(std::make_pair(Ty, Fn));
+}
+
+void PassManagerBuilder::addExtensionsToPM(ExtensionPointTy ETy,
+                                           PassManagerBase &PM) const {
+  for (unsigned i = 0, e = Extensions.size(); i != e; ++i)
+    if (Extensions[i].first == ETy)
+      Extensions[i].second(*this, PM);
+}
+
+void
+PassManagerBuilder::addInitialAliasAnalysisPasses(PassManagerBase &PM) const {
+  // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
+  // BasicAliasAnalysis wins if they disagree. This is intended to help
+  // support "obvious" type-punning idioms.
+  PM.add(createTypeBasedAliasAnalysisPass());
+  PM.add(createBasicAliasAnalysisPass());
+}
+
+void PassManagerBuilder::populateFunctionPassManager(FunctionPassManager &FPM) {
+  addExtensionsToPM(EP_EarlyAsPossible, FPM);
+
+  // Add LibraryInfo if we have some.
+  if (LibraryInfo) FPM.add(new TargetLibraryInfo(*LibraryInfo));
+
+  if (OptLevel == 0) return;
+
+  addInitialAliasAnalysisPasses(FPM);
+
+  FPM.add(createCFGSimplificationPass());
+  FPM.add(createScalarReplAggregatesPass());
+  FPM.add(createEarlyCSEPass());
+  FPM.add(createLowerExpectIntrinsicPass());
+}
+
+void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) {
+  // If all optimizations are disabled, just run the always-inline pass.
+  if (OptLevel == 0) {
+    if (Inliner) {
+      MPM.add(Inliner);
+      Inliner = 0;
+    }
+    return;
+  }
+
+  // Add LibraryInfo if we have some.
+  if (LibraryInfo) MPM.add(new TargetLibraryInfo(*LibraryInfo));
+
+  addInitialAliasAnalysisPasses(MPM);
+
+  if (!DisableUnitAtATime) {
+    MPM.add(createGlobalOptimizerPass());     // Optimize out global vars
+
+    MPM.add(createIPSCCPPass());              // IP SCCP
+    MPM.add(createDeadArgEliminationPass());  // Dead argument elimination
+
+    MPM.add(createInstructionCombiningPass());// Clean up after IPCP & DAE
+    MPM.add(createCFGSimplificationPass());   // Clean up after IPCP & DAE
+  }
+
+  // Start of CallGraph SCC passes.
+  if (!DisableUnitAtATime)
+    MPM.add(createPruneEHPass());             // Remove dead EH info
+  if (Inliner) {
+    MPM.add(Inliner);
+    Inliner = 0;
+  }
+  if (!DisableUnitAtATime)
+    MPM.add(createFunctionAttrsPass());       // Set readonly/readnone attrs
+  if (OptLevel > 2)
+    MPM.add(createArgumentPromotionPass());   // Scalarize uninlined fn args
+
+  // Start of function pass.
+  // Break up aggregate allocas, using SSAUpdater.
+  MPM.add(createScalarReplAggregatesPass(-1, false));
+  MPM.add(createEarlyCSEPass());              // Catch trivial redundancies
+  if (!DisableSimplifyLibCalls)
+    MPM.add(createSimplifyLibCallsPass());    // Library Call Optimizations
+  MPM.add(createJumpThreadingPass());         // Thread jumps.
+  MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals
+  MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
+  MPM.add(createInstructionCombiningPass());  // Combine silly seq's
+
+  MPM.add(createTailCallEliminationPass());   // Eliminate tail calls
+  MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
+  MPM.add(createReassociatePass());           // Reassociate expressions
+  MPM.add(createLoopRotatePass());            // Rotate Loop
+  MPM.add(createLICMPass());                  // Hoist loop invariants
+  MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
+  MPM.add(createInstructionCombiningPass());
+  MPM.add(createIndVarSimplifyPass());        // Canonicalize indvars
+  MPM.add(createLoopIdiomPass());             // Recognize idioms like memset.
+  MPM.add(createLoopDeletionPass());          // Delete dead loops
+  if (!DisableUnrollLoops)
+    MPM.add(createLoopUnrollPass());          // Unroll small loops
+  addExtensionsToPM(EP_LoopOptimizerEnd, MPM);
+
+  if (OptLevel > 1)
+    MPM.add(createGVNPass());                 // Remove redundancies
+  MPM.add(createMemCpyOptPass());             // Remove memcpy / form memset
+  MPM.add(createSCCPPass());                  // Constant prop with SCCP
+
+  // Run instcombine after redundancy elimination to exploit opportunities
+  // opened up by them.
+  MPM.add(createInstructionCombiningPass());
+  MPM.add(createJumpThreadingPass());         // Thread jumps
+  MPM.add(createCorrelatedValuePropagationPass());
+  MPM.add(createDeadStoreEliminationPass());  // Delete dead stores
+
+  addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
+
+  MPM.add(createAggressiveDCEPass());         // Delete dead instructions
+  MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
+  MPM.add(createInstructionCombiningPass());  // Clean up after everything.
+
+  if (!DisableUnitAtATime) {
+    // FIXME: We shouldn't bother with this anymore.
+    MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
+
+    // GlobalOpt already deletes dead functions and globals, at -O3 try a
+    // late pass of GlobalDCE.  It is capable of deleting dead cycles.
+    if (OptLevel > 2)
+      MPM.add(createGlobalDCEPass());         // Remove dead fns and globals.
+
+    if (OptLevel > 1)
+      MPM.add(createConstantMergePass());     // Merge dup global constants
+  }
+}
+
+void PassManagerBuilder::populateLTOPassManager(PassManagerBase &PM,
+                                                bool Internalize,
+                                                bool RunInliner) {
+  // Provide AliasAnalysis services for optimizations.
+  addInitialAliasAnalysisPasses(PM);
+
+  // Now that composite has been compiled, scan through the module, looking
+  // for a main function.  If main is defined, mark all other functions
+  // internal.
+  if (Internalize)
+    PM.add(createInternalizePass(true));
+
+  // Propagate constants at call sites into the functions they call.  This
+  // opens opportunities for globalopt (and inlining) by substituting function
+  // pointers passed as arguments to direct uses of functions.
+  PM.add(createIPSCCPPass());
+
+  // Now that we internalized some globals, see if we can hack on them!
+  PM.add(createGlobalOptimizerPass());
+
+  // Linking modules together can lead to duplicated global constants, only
+  // keep one copy of each constant.
+  PM.add(createConstantMergePass());
+
+  // Remove unused arguments from functions.
+  PM.add(createDeadArgEliminationPass());
+
+  // Reduce the code after globalopt and ipsccp.  Both can open up significant
+  // simplification opportunities, and both can propagate functions through
+  // function pointers.  When this happens, we often have to resolve varargs
+  // calls, etc, so let instcombine do this.
+  PM.add(createInstructionCombiningPass());
+
+  // Inline small functions
+  if (RunInliner)
+    PM.add(createFunctionInliningPass());
+
+  PM.add(createPruneEHPass());   // Remove dead EH info.
+
+  // Optimize globals again if we ran the inliner.
+  if (RunInliner)
+    PM.add(createGlobalOptimizerPass());
+  PM.add(createGlobalDCEPass()); // Remove dead functions.
+
+  // If we didn't decide to inline a function, check to see if we can
+  // transform it to pass arguments by value instead of by reference.
+  PM.add(createArgumentPromotionPass());
+
+  // The IPO passes may leave cruft around.  Clean up after them.
+  PM.add(createInstructionCombiningPass());
+  PM.add(createJumpThreadingPass());
+  // Break up allocas
+  PM.add(createScalarReplAggregatesPass());
+
+  // Run a few AA driven optimizations here and now, to cleanup the code.
+  PM.add(createFunctionAttrsPass()); // Add nocapture.
+  PM.add(createGlobalsModRefPass()); // IP alias analysis.
+
+  PM.add(createLICMPass());      // Hoist loop invariants.
+  PM.add(createGVNPass());       // Remove redundancies.
+  PM.add(createMemCpyOptPass()); // Remove dead memcpys.
+  // Nuke dead stores.
+  PM.add(createDeadStoreEliminationPass());
+
+  // Cleanup and simplify the code after the scalar optimizations.
+  PM.add(createInstructionCombiningPass());
+
+  PM.add(createJumpThreadingPass());
+
+  // Delete basic blocks, which optimization passes may have killed.
+  PM.add(createCFGSimplificationPass());
+
+  // Now that we have optimized the program, discard unreachable functions.
+  PM.add(createGlobalDCEPass());
+}
diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index 7e633efcc1..6a87521a17 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -17,6 +17,7 @@
 #include "ToolRunner.h"
 #include "llvm/LinkAllPasses.h"
 #include "llvm/LLVMContext.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/PassNameParser.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
diff --git a/tools/llvm-ld/Optimize.cpp b/tools/llvm-ld/Optimize.cpp
index a05ab0abcf..7f3f90014f 100644
--- a/tools/llvm-ld/Optimize.cpp
+++ b/tools/llvm-ld/Optimize.cpp
@@ -12,6 +12,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Module.h"
+#include "llvm/PassManager.h"
+#include "llvm/Analysis/Verifier.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/DynamicLibrary.h"
@@ -19,7 +21,9 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/PassNameParser.h"
 #include "llvm/Support/PluginLoader.h"
+#include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#include "llvm/Transforms/Scalar.h"
 using namespace llvm;
 
 // Pass Name Options as generated by the PassNameParser
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index 00571bbd29..8b4b57c445 100644
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -23,6 +23,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/Passes.h"
+#include "llvm/Analysis/Verifier.h"
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
@@ -44,6 +45,7 @@
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/system_error.h"
 #include "llvm/Config/config.h"
+#include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include <cstdlib>
 #include <unistd.h>