Clean up some uninitialized variables and missing return statements that
GCC 4.0.0 compiler (sometimes incorrectly) warns about under release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22249 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCBranchSelector.cpp b/lib/Target/PowerPC/PPCBranchSelector.cpp
index 7ace3c1..fdf1dd3 100644
--- a/lib/Target/PowerPC/PPCBranchSelector.cpp
+++ b/lib/Target/PowerPC/PPCBranchSelector.cpp
@@ -43,8 +43,9 @@
       case PPC::IMPLICIT_DEF: // no asm emitted
         return 0;
       default:
-        return 4; // PowerPC instructions are all 4 bytes
+        break;
       }
+      return 4; // PowerPC instructions are all 4 bytes
     }
 
     virtual bool runOnMachineFunction(MachineFunction &Fn) {