mass elimination of reliance on automatic iterator dereferencing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109103 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/StructRetPromotion.cpp b/lib/Transforms/IPO/StructRetPromotion.cpp
index 6857ef5..e16dcd4 100644
--- a/lib/Transforms/IPO/StructRetPromotion.cpp
+++ b/lib/Transforms/IPO/StructRetPromotion.cpp
@@ -187,7 +187,7 @@
           return false;
         for (Value::use_iterator GEPI = GEP->use_begin(), GEPE = GEP->use_end();
              GEPI != GEPE; ++GEPI) 
-          if (!isa<LoadInst>(GEPI))
+          if (!isa<LoadInst>(*GEPI))
             return false;
       } 
       // Any other FirstArg users make this function unsuitable for sret