Silence compiler warning.

llvm-svn: 113478
diff --git a/llvm/lib/Target/CellSPU/SPUISelLowering.cpp b/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
index 7bac3f5..772a1a7 100644
--- a/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -1737,7 +1737,7 @@
   unsigned PrevElt = 0;
   bool monotonic = true;
   bool rotate = true;
-  int rotamt;
+  int rotamt=0;
   EVT maskVT;             // which of the c?d instructions to use
 
   if (EltVT == MVT::i8) {