Use the function template getSubtarget on the MachineFunction

rather than a larger explicit cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227818 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/XCore/XCoreFrameLowering.cpp b/lib/Target/XCore/XCoreFrameLowering.cpp
index 7c743401ae1d8aa4a5be55c34c984346f6a147f0..e0ac0e56781c4afffaedea5335f6fe67fc1973cc 100644 (file)
--- a/lib/Target/XCore/XCoreFrameLowering.cpp
+++ b/lib/Target/XCore/XCoreFrameLowering.cpp
@@ -226,8 +226,7 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineModuleInfo *MMI = &MF.getMMI();
   const MCRegisterInfo *MRI = MMI->getContext().getRegisterInfo();
-  const XCoreInstrInfo &TII =
-      *static_cast<const XCoreInstrInfo *>(MF.getSubtarget().getInstrInfo());
+  const XCoreInstrInfo &TII = *MF.getSubtarget<XCoreSubtarget>().getInstrInfo();
   XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>();
   // Debug location must be unknown since the first debug location is used
   // to determine the end of the prologue.
@@ -341,8 +340,7 @@ void XCoreFrameLowering::emitEpilogue(MachineFunction &MF,
                                      MachineBasicBlock &MBB) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
-  const XCoreInstrInfo &TII =
-      *static_cast<const XCoreInstrInfo *>(MF.getSubtarget().getInstrInfo());
+  const XCoreInstrInfo &TII = *MF.getSubtarget<XCoreSubtarget>().getInstrInfo();
   XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>();
   DebugLoc dl = MBBI->getDebugLoc();
   unsigned RetOpcode = MBBI->getOpcode();
@@ -480,8 +478,7 @@ restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
 void XCoreFrameLowering::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  const XCoreInstrInfo &TII =
-      *static_cast<const XCoreInstrInfo *>(MF.getSubtarget().getInstrInfo());
+  const XCoreInstrInfo &TII = *MF.getSubtarget<XCoreSubtarget>().getInstrInfo();
   if (!hasReservedCallFrame(MF)) {
     // Turn the adjcallstackdown instruction into 'extsp <amt>' and the
     // adjcallstackup instruction into 'ldaw sp, sp[<amt>]'