CodeGeneration: Adapt to SCEVExpander change

Reported-By: Sebastian Pop <sebpop@gmail.com>
llvm-svn: 134179
diff --git a/polly/lib/CodeGeneration.cpp b/polly/lib/CodeGeneration.cpp
index 94d97fe..d063b79 100644
--- a/polly/lib/CodeGeneration.cpp
+++ b/polly/lib/CodeGeneration.cpp
@@ -1208,7 +1208,7 @@
   }
 
   void addParameters(const CloogNames *names) {
-    SCEVExpander Rewriter(SE);
+    SCEVExpander Rewriter(SE, "polly");
 
     // Create an instruction that specifies the location where the parameters
     // are expanded.