More PPC32 -> PPC changes, as well as merging some classes that were
redundant after the change.

llvm-svn: 23759
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index ba0a577..0b3690d 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -1,4 +1,4 @@
-//===-- PPC32ISelLowering.h - PPC32 DAG Lowering Interface ------*- C++ -*-===//
+//===-- PPCISelLowering.h - PPC32 DAG Lowering Interface --------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -41,11 +41,11 @@
     };
   }  
   
-  class PPC32TargetLowering : public TargetLowering {
+  class PPCTargetLowering : public TargetLowering {
     int VarArgsFrameIndex;            // FrameIndex for start of varargs area.
     int ReturnAddrIndex;              // FrameIndex for return slot.
   public:
-    PPC32TargetLowering(TargetMachine &TM);
+    PPCTargetLowering(TargetMachine &TM);
     
     /// LowerOperation - Provide custom lowering hooks for some operations.
     ///