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/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 0f8e9d5..1a4bb97 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1145,6 +1145,7 @@
   return F->hasFnAttr(Attribute::OptimizeForSize) ? 0 : 4;
 }
 
+// FIXME: Why this routine is here? Move to RegInfo!
 std::pair<const TargetRegisterClass*, uint8_t>
 X86TargetLowering::findRepresentativeClass(EVT VT) const{
   const TargetRegisterClass *RRC = 0;
@@ -1170,10 +1171,11 @@
   return std::make_pair(RRC, Cost);
 }
 
+// FIXME: Why this routine is here? Move to RegInfo!
 unsigned
 X86TargetLowering::getRegPressureLimit(const TargetRegisterClass *RC,
                                        MachineFunction &MF) const {
-  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+  const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
 
   unsigned FPDiff = TFI->hasFP(MF) ? 1 : 0;
   switch (RC->getID()) {
@@ -1704,7 +1706,7 @@
         TotalNumXMMRegs = 0;
 
       if (IsWin64) {
-        const TargetFrameInfo &TFI = *getTargetMachine().getFrameInfo();
+        const TargetFrameLowering &TFI = *getTargetMachine().getFrameLowering();
         // Get to the caller-allocated home save location.  Add 8 to account
         // for the return address.
         int HomeOffset = TFI.getOffsetOfLocalArea() + 8;
@@ -2296,7 +2298,7 @@
                                                SelectionDAG& DAG) const {
   MachineFunction &MF = DAG.getMachineFunction();
   const TargetMachine &TM = MF.getTarget();
-  const TargetFrameInfo &TFI = *TM.getFrameInfo();
+  const TargetFrameLowering &TFI = *TM.getFrameLowering();
   unsigned StackAlignment = TFI.getStackAlignment();
   uint64_t AlignMask = StackAlignment - 1;
   int64_t Offset = StackSize;
@@ -8216,7 +8218,7 @@
 
   MachineFunction &MF = DAG.getMachineFunction();
   const TargetMachine &TM = MF.getTarget();
-  const TargetFrameInfo &TFI = *TM.getFrameInfo();
+  const TargetFrameLowering &TFI = *TM.getFrameLowering();
   unsigned StackAlignment = TFI.getStackAlignment();
   EVT VT = Op.getValueType();
   DebugLoc DL = Op.getDebugLoc();