From 3b3f89900eb083cf1a352f68c9494bc23e2a29d2 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 11 Jan 2007 01:10:25 +0000
Subject: [PATCH] Add PassManagerType enum.

llvm-svn: 33065
---
 llvm/include/llvm/Pass.h        | 12 ++++++++++++
 llvm/lib/VMCore/PassManager.cpp | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/llvm/include/llvm/Pass.h b/llvm/include/llvm/Pass.h
index 7599b678ec8e..9951a988bf02 100644
--- a/llvm/include/llvm/Pass.h
+++ b/llvm/include/llvm/Pass.h
@@ -323,6 +323,18 @@ public:
   virtual void assignPassManager(PMStack &PMS);
 };
 
+/// Different types of internal pass managers. External pass managers
+/// (PassManager and FunctionPassManager) are not represented here.
+/// Ordering of pass manager types is important here.
+enum PassManagerType {
+  PMT_Unknown = 0,
+  PMT_ModulePassManager = 1, /// MPPassManager 
+  PMT_CallGraphPassManager,  /// CGPassManager
+  PMT_FunctionPassManager,   /// FPPassManager
+  PMT_LoopPassManager,       /// LPPassManager
+  PMT_BasicBlockPassManager  /// BBPassManager
+};
+
 /// PMStack
 /// Top level pass manager (see PasManager.cpp) maintains active Pass Managers 
 /// using PMStack. Each Pass implements assignPassManager() to connect itself
diff --git a/llvm/lib/VMCore/PassManager.cpp b/llvm/lib/VMCore/PassManager.cpp
index 62e453399b6d..00f08cac9eee 100644
--- a/llvm/lib/VMCore/PassManager.cpp
+++ b/llvm/lib/VMCore/PassManager.cpp
@@ -291,6 +291,10 @@ public:
     return PassVector.size();
   }
 
+  virtual PassManagerType getPassManagerType() { 
+    assert ( 0 && "Invalid use of getPassManagerType");
+    return PMT_Unknown; 
+  }
 protected:
 
   // If a FunctionPass F is the last user of ModulePass info M
@@ -359,6 +363,10 @@ public:
     BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]);
     return BP;
   }
+
+  virtual PassManagerType getPassManagerType() { 
+    return PMT_BasicBlockPassManager; 
+  }
 };
 
 //===----------------------------------------------------------------------===//
@@ -413,6 +421,9 @@ public:
     return FP;
   }
 
+  virtual PassManagerType getPassManagerType() { 
+    return PMT_FunctionPassManager; 
+  }
 private:
   // Active Pass Manager
   BBPassManager *activeBBPassManager;
@@ -529,6 +540,7 @@ public:
     return MP;
   }
 
+  virtual PassManagerType getPassManagerType() { return PMT_ModulePassManager; }
 private:
   // Active Pass Manager
   FPPassManager *activeFunctionPassManager;
-- 
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