Small cleanups in the PowerPC backend.

Small refactoring in LowerFORMAL_ARGUMENTS().
Correct minor formatting issues.
Remove size argument of CreateCopyOfByValArgument().
Remove dead argument from CalculateStackSlotSize().
Remove unused variable ReturnAddrIndex from various targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74763 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Mips/MipsISelLowering.h

@@ -68,8 +68,6 @@ namespace llvm {
   //===--------------------------------------------------------------------===//
   class MipsTargetLowering : public TargetLowering 
   {
-    // FrameIndex for return slot.
-    int ReturnAddrIndex;
   public:
 
     explicit MipsTargetLowering(MipsTargetMachine &TM);