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/SystemZ/SystemZTargetMachine.cpp b/lib/Target/SystemZ/SystemZTargetMachine.cpp
index 161b0d7..1603899 100644
--- a/lib/Target/SystemZ/SystemZTargetMachine.cpp
+++ b/lib/Target/SystemZ/SystemZTargetMachine.cpp
@@ -30,7 +30,7 @@
     DataLayout("E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
                "-f64:64:64-f128:128:128-a0:16:16-n32:64"),
     InstrInfo(*this), TLInfo(*this), TSInfo(*this),
-    FrameInfo(Subtarget) {
+    FrameLowering(Subtarget) {
 
   if (getRelocationModel() == Reloc::Default)
     setRelocationModel(Reloc::Static);