the correct fix was to fix AliasAnalysis.getModRefInfo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22268 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/LoadValueNumbering.cpp b/lib/Analysis/LoadValueNumbering.cpp
index 721fe47..16e79a1 100644 (file)
--- a/lib/Analysis/LoadValueNumbering.cpp
+++ b/lib/Analysis/LoadValueNumbering.cpp
@@ -328,10 +328,6 @@ void LoadVN::getEqualNumberNodes(Value *V,
       LoadInvalidatedInBBBefore = true;
       break;
     }
-    if (dyn_cast<VAArgInst>(I)) {
-      LoadInvalidatedInBBBefore = true;
-      break;
-    }
   }
 
   // Figure out if the load is invalidated between the load and the exit of the