Add a note about a potential PIC optimization.

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

diff --git a/include/llvm/PassAnalysisSupport.h b/include/llvm/PassAnalysisSupport.h
index 75434a25ef2bbae96cdaf95222e0ad119fbbffc1..4d19858bc98da16b7b8361f5819c2385082b03fd 100644 (file)
--- a/include/llvm/PassAnalysisSupport.h
+++ b/include/llvm/PassAnalysisSupport.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -44,24 +44,26 @@ public:
   // for a pass.
   //
   AnalysisUsage &addRequiredID(AnalysisID ID) {
+    assert(ID && "Pass class not registered!");
     Required.push_back(ID);
     return *this;
   }
   template<class PassClass>
   AnalysisUsage &addRequired() {
-    assert(Pass::getClassPassInfo<PassClass>() && "Pass class not registered!");
-    Required.push_back(Pass::getClassPassInfo<PassClass>());
-    return *this;
+    return addRequiredID(Pass::getClassPassInfo<PassClass>());
   }
 
-  template<class PassClass>
-  AnalysisUsage &addRequiredTransitive() {
-    AnalysisID ID = Pass::getClassPassInfo<PassClass>();
+  AnalysisUsage &addRequiredTransitiveID(AnalysisID ID) {
     assert(ID && "Pass class not registered!");
     Required.push_back(ID);
     RequiredTransitive.push_back(ID);
     return *this;
   }
+  template<class PassClass>
+  AnalysisUsage &addRequiredTransitive() {
+    AnalysisID ID = Pass::getClassPassInfo<PassClass>();
+    return addRequiredTransitiveID(ID);
+  }
 
   // addPreserved - Add the specified ID to the set of analyses preserved by
   // this pass