[AArch64] Simplify some TRI/TII getters. NFC.
We don't need static_casts when we use the right Subtarget.
llvm-svn: 255836
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index c5b7d0c..69b2772 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -280,9 +280,9 @@
MachineBasicBlock::iterator MBBI = MBB.begin();
const MachineFrameInfo *MFI = MF.getFrameInfo();
const Function *Fn = MF.getFunction();
- const AArch64RegisterInfo *RegInfo = static_cast<const AArch64RegisterInfo *>(
- MF.getSubtarget().getRegisterInfo());
- const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();
+ const AArch64Subtarget &Subtarget = MF.getSubtarget<AArch64Subtarget>();
+ const AArch64RegisterInfo *RegInfo = Subtarget.getRegisterInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
MachineModuleInfo &MMI = MF.getMMI();
AArch64FunctionInfo *AFI = MF.getInfo<AArch64FunctionInfo>();
bool needsFrameMoves = MMI.hasDebugInfo() || Fn->needsUnwindTableEntry();
@@ -538,10 +538,9 @@
MachineBasicBlock &MBB) const {
MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
MachineFrameInfo *MFI = MF.getFrameInfo();
- const AArch64InstrInfo *TII =
- static_cast<const AArch64InstrInfo *>(MF.getSubtarget().getInstrInfo());
- const AArch64RegisterInfo *RegInfo = static_cast<const AArch64RegisterInfo *>(
- MF.getSubtarget().getRegisterInfo());
+ const AArch64Subtarget &Subtarget = MF.getSubtarget<AArch64Subtarget>();
+ const AArch64RegisterInfo *RegInfo = Subtarget.getRegisterInfo();
+ const TargetInstrInfo *TII = Subtarget.getInstrInfo();
DebugLoc DL;
bool IsTailCallReturn = false;
if (MBB.end() != MBBI) {