Target RegisterInfo: devirtualize TargetFrameLowering

[oota-llvm.git] / lib / Target / MSP430 / MSP430RegisterInfo.cpp

diff --git a/lib/Target/MSP430/MSP430RegisterInfo.cpp b/lib/Target/MSP430/MSP430RegisterInfo.cpp
index 614467bcd24845c06d4ae76b09adfda0c2fa45b7..2fb82e535e8d10297bb84b6a3d1d80e9f99735d8 100644 (file)
--- a/lib/Target/MSP430/MSP430RegisterInfo.cpp
+++ b/lib/Target/MSP430/MSP430RegisterInfo.cpp
@@ -37,7 +37,7 @@ MSP430RegisterInfo::MSP430RegisterInfo()
 
 const MCPhysReg*
 MSP430RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
-  const TargetFrameLowering *TFI = MF->getSubtarget().getFrameLowering();
+  const MSP430FrameLowering *TFI = getFrameLowering(*MF);
   const Function* F = MF->getFunction();
   static const MCPhysReg CalleeSavedRegs[] = {
     MSP430::FP, MSP430::R5, MSP430::R6, MSP430::R7,
@@ -73,7 +73,7 @@ MSP430RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 
 BitVector MSP430RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
-  const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
+  const MSP430FrameLowering *TFI = getFrameLowering(MF);
 
   // Mark 4 special registers with subregisters as reserved.
   Reserved.set(MSP430::PCB);
@@ -109,7 +109,7 @@ MSP430RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineInstr &MI = *II;
   MachineBasicBlock &MBB = *MI.getParent();
   MachineFunction &MF = *MBB.getParent();
-  const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
+  const MSP430FrameLowering *TFI = getFrameLowering(MF);
   DebugLoc dl = MI.getDebugLoc();
   int FrameIndex = MI.getOperand(FIOperandNum).getIndex();
 
@@ -156,7 +156,6 @@ MSP430RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 }
 
 unsigned MSP430RegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
-
+  const MSP430FrameLowering *TFI = getFrameLowering(MF);
   return TFI->hasFP(MF) ? MSP430::FP : MSP430::SP;
 }