Add support for vicmp/vfcmp codegen, more legalize support coming.

[oota-llvm.git] / include / llvm / PassManagers.h

diff --git a/include/llvm/PassManagers.h b/include/llvm/PassManagers.h
index 33d101d60d3838d6d628e879f4d2f9eeb2c5bf42..5bf4dfb0a1047a6a20d37a03de5c0c878add1b64 100644 (file)
--- a/include/llvm/PassManagers.h
+++ b/include/llvm/PassManagers.h
@@ -13,8 +13,8 @@
 
 #include "llvm/PassManager.h"
 #include "llvm/ADT/SmallVector.h"
-class llvm::PMDataManager;
-class llvm::PMStack;
+#include <deque>
+#include <map>
 
 //===----------------------------------------------------------------------===//
 // Overview:
@@ -107,6 +107,36 @@ enum PassDebuggingString {
   ON_CG_MSG // "' on Call Graph ...\n'"
 };  
 
+//===----------------------------------------------------------------------===//
+// PMStack
+//
+/// PMStack
+/// Top level pass managers (see PassManager.cpp) maintain active Pass Managers 
+/// using PMStack. Each Pass implements assignPassManager() to connect itself
+/// with appropriate manager. assignPassManager() walks PMStack to find
+/// suitable manager.
+///
+/// PMStack is just a wrapper around standard deque that overrides pop() and
+/// push() methods.
+class PMStack {
+public:
+  typedef std::deque<PMDataManager *>::reverse_iterator iterator;
+  iterator begin() { return S.rbegin(); }
+  iterator end() { return S.rend(); }
+
+  void handleLastUserOverflow();
+
+  void pop();
+  inline PMDataManager *top() { return S.back(); }
+  void push(PMDataManager *PM);
+  inline bool empty() { return S.empty(); }
+
+  void dump();
+private:
+  std::deque<PMDataManager *> S;
+};
+
+
 //===----------------------------------------------------------------------===//
 // PMTopLevelManager
 //
@@ -116,7 +146,7 @@ class PMTopLevelManager {
 public:
 
   virtual unsigned getNumContainedManagers() {
-    return PassManagers.size();
+    return (unsigned)PassManagers.size();
   }
 
   /// Schedule pass P for execution. Make sure that passes required by
@@ -152,7 +182,7 @@ public:
     return ImmutablePasses;
   }
 
-  void addPassManager(Pass *Manager) {
+  void addPassManager(PMDataManager *Manager) {
     PassManagers.push_back(Manager);
   }
 
@@ -174,7 +204,7 @@ public:
 protected:
   
   /// Collection of pass managers
-  std::vector<Pass *> PassManagers;
+  std::vector<PMDataManager *> PassManagers;
 
 private:
 
@@ -206,10 +236,6 @@ public:
 
   virtual ~PMDataManager();
 
-  /// Return true IFF pass P's required analysis set does not required new
-  /// manager.
-  bool manageablePass(Pass *P);
-
   /// Augment AvailableAnalysis by adding analysis made available by pass P.
   void recordAvailableAnalysis(Pass *P);
 
@@ -280,7 +306,7 @@ public:
                            const std::vector<AnalysisID> &Set) const;
 
   virtual unsigned getNumContainedPasses() { 
-    return PassVector.size();
+    return (unsigned)PassVector.size();
   }
 
   virtual PassManagerType getPassManagerType() const {