Resubmit "Add new EliminateAvailableExternally module pass" (r239480)

[oota-llvm.git] / include / llvm / Transforms / IPO / PassManagerBuilder.h

diff --git a/include/llvm/Transforms/IPO/PassManagerBuilder.h b/include/llvm/Transforms/IPO/PassManagerBuilder.h
index cc74e7fefe163d253b731190019f1ea210f05ec6..1334dd0da23c30d9035e738cedbac5bed99f82ef 100644 (file)
--- a/include/llvm/Transforms/IPO/PassManagerBuilder.h
+++ b/include/llvm/Transforms/IPO/PassManagerBuilder.h
@@ -12,16 +12,21 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_SUPPORT_PASSMANAGERBUILDER_H
-#define LLVM_SUPPORT_PASSMANAGERBUILDER_H
+#ifndef LLVM_TRANSFORMS_IPO_PASSMANAGERBUILDER_H
+#define LLVM_TRANSFORMS_IPO_PASSMANAGERBUILDER_H
 
 #include <vector>
 
 namespace llvm {
-  class TargetLibraryInfo;
-  class PassManagerBase;
-  class Pass;
-  class FunctionPassManager;
+class Pass;
+class TargetLibraryInfoImpl;
+class TargetMachine;
+
+// The old pass manager infrastructure is hidden in a legacy namespace now.
+namespace legacy {
+class FunctionPassManager;
+class PassManagerBase;
+}
 
 /// PassManagerBuilder - This class is used to set up a standard optimization
 /// sequence for languages like C and C++, allowing some APIs to customize the
@@ -49,17 +54,20 @@ 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,
-                              PassManagerBase &PM);
+                              legacy::PassManagerBase &PM);
   enum ExtensionPointTy {
     /// EP_EarlyAsPossible - This extension point allows adding passes before
     /// any other transformations, allowing them to see the code as it is coming
     /// out of the frontend.
     EP_EarlyAsPossible,
 
+    /// EP_ModuleOptimizerEarly - This extension point allows adding passes
+    /// just before the main module-level optimization passes.
+    EP_ModuleOptimizerEarly,
+
     /// EP_LoopOptimizerEnd - This extension point allows adding loop passes to
     /// the end of the loop optimizer.
     EP_LoopOptimizerEnd,
@@ -67,7 +75,21 @@ public:
     /// EP_ScalarOptimizerLate - This extension point allows adding optimization
     /// passes after most of the main optimizations, but before the last
     /// cleanup-ish optimizations.
-    EP_ScalarOptimizerLate
+    EP_ScalarOptimizerLate,
+
+    /// EP_OptimizerLast -- This extension point allows adding passes that
+    /// run after everything else.
+    EP_OptimizerLast,
+
+    /// EP_EnabledOnOptLevel0 - This extension point allows adding passes that
+    /// should not be disabled by O0 optimization level. The passes will be
+    /// inserted after the inlining pass.
+    EP_EnabledOnOptLevel0,
+
+    /// EP_Peephole - This extension point allows adding passes that perform
+    /// peephole optimizations similar to the instruction combiner. These passes
+    /// will be inserted after each instance of the instruction combiner pass.
+    EP_Peephole,
   };
 
   /// The Optimization Level - Specify the basic optimization level.
@@ -81,15 +103,25 @@ public:
   /// 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;
+  TargetLibraryInfoImpl *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 DisableTailCalls;
   bool DisableUnitAtATime;
   bool DisableUnrollLoops;
+  bool BBVectorize;
+  bool SLPVectorize;
+  bool LoopVectorize;
+  bool RerollLoops;
+  bool LoadCombine;
+  bool DisableGVNLoadPRE;
+  bool VerifyInput;
+  bool VerifyOutput;
+  bool MergeFunctions;
+  bool PrepareForLTO;
 
 private:
   /// ExtensionList - This is list of all of the extensions that are registered.
@@ -105,20 +137,23 @@ public:
   void addExtension(ExtensionPointTy Ty, ExtensionFn Fn);
 
 private:
-  void addExtensionsToPM(ExtensionPointTy ETy, PassManagerBase &PM) const;
-  void addInitialAliasAnalysisPasses(PassManagerBase &PM) const;
-public:
+  void addExtensionsToPM(ExtensionPointTy ETy,
+                         legacy::PassManagerBase &PM) const;
+  void addInitialAliasAnalysisPasses(legacy::PassManagerBase &PM) const;
+  void addLTOOptimizationPasses(legacy::PassManagerBase &PM);
+  void addLateLTOOptimizationPasses(legacy::PassManagerBase &PM);
 
+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);
+  void populateFunctionPassManager(legacy::FunctionPassManager &FPM);
 
   /// populateModulePassManager - This sets up the primary pass manager.
-  void populateModulePassManager(PassManagerBase &MPM);
-  void populateLTOPassManager(PassManagerBase &PM, bool Internalize,
-                              bool RunInliner);
+  void populateModulePassManager(legacy::PassManagerBase &MPM);
+  void populateLTOPassManager(legacy::PassManagerBase &PM);
 };
+
 /// Registers a function for adding a standard set of passes.  This should be
 /// used by optimizer plugins to allow all front ends to transparently use
 /// them.  Create a static instance of this class in your plugin, providing a
@@ -129,5 +164,6 @@ struct RegisterStandardPasses {
     PassManagerBuilder::addGlobalExtension(Ty, Fn);
   }
 };
+
 } // end namespace llvm
 #endif