[llvm-commits] [llvm] r128568 - /llvm/trunk/include/llvm/PassAnalysisSupport.h

[Jakob Stoklund Olesen]

Author: stoklund
Date: Wed Mar 30 13:32:53 2011
New Revision: 128568

URL: http://llvm.org/viewvc/llvm-project?rev=128568&view=rev
Log:
Don't add the same analysis implementation pair twice.

Prevent infinite growth of the list.

Patch by José Fonseca!

Modified:
    llvm/trunk/include/llvm/PassAnalysisSupport.h

Modified: llvm/trunk/include/llvm/PassAnalysisSupport.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/PassAnalysisSupport.h?rev=128568&r1=128567&r2=128568&view=diff
==============================================================================
--- llvm/trunk/include/llvm/PassAnalysisSupport.h (original)
+++ llvm/trunk/include/llvm/PassAnalysisSupport.h Wed Mar 30 13:32:53 2011
@@ -142,6 +142,8 @@
   Pass *findImplPass(Pass *P, AnalysisID PI, Function &F);
 
   void addAnalysisImplsPair(AnalysisID PI, Pass *P) {
+    if (findImplPass(PI) == P)
+      return;
     std::pair<AnalysisID, Pass*> pir = std::make_pair(PI,P);
     AnalysisImpls.push_back(pir);
   }