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

llvm-svn: 123170
diff --git a/llvm/lib/Target/TargetAsmInfo.cpp b/llvm/lib/Target/TargetAsmInfo.cpp
index 30b73c4..6fa5420 100644
--- a/llvm/lib/Target/TargetAsmInfo.cpp
+++ b/llvm/lib/Target/TargetAsmInfo.cpp
@@ -20,7 +20,7 @@
   const TargetData &TD = *TM.getTargetData();
   IsLittleEndian = TD.isLittleEndian();
   PointerSize = TD.getPointerSize();
-  const TargetFrameInfo &TFI = *TM.getFrameInfo();
+  const TargetFrameLowering &TFI = *TM.getFrameLowering();
   StackDir = TFI.getStackGrowthDirection();
   TRI = TM.getRegisterInfo();
   TFI.getInitialFrameState(InitialFrameState);