Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp
index 991b52b..bd28a9b 100644
--- a/lib/Target/Mips/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/MipsAsmPrinter.cpp
@@ -125,7 +125,7 @@
 // Create a bitmask with all callee saved registers for CPU or Floating Point 
 // registers. For CPU registers consider RA, GP and FP for saving if necessary.
 void MipsAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
-  const TargetFrameInfo *TFI = TM.getFrameInfo();
+  const TargetFrameLowering *TFI = TM.getFrameLowering();
   const TargetRegisterInfo *RI = TM.getRegisterInfo();
   const MipsFunctionInfo *MipsFI = MF->getInfo<MipsFunctionInfo>();
 
@@ -146,6 +146,8 @@
   }
 
   // Return Address and Frame registers must also be set in CPUBitmask.
+  // FIXME: Do we really need hasFP() call here? When no FP is present SP is
+  // just returned -- will it be ok?
   if (TFI->hasFP(*MF))
     CPUBitmask |= (1 << MipsRegisterInfo::
                 getRegisterNumbering(RI->getFrameRegister(*MF)));