[SystemZ] Use "auto" for cast results

No functional change intended.

llvm-svn: 203106

1 files changed, 9 insertions, 10 deletions

diff --git a/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
index b61ae88f733..1ac4e320b30 100644
--- a/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
@@ -63,8 +63,7 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
 
   MachineBasicBlock &MBB = *MI->getParent();
   MachineFunction &MF = *MBB.getParent();
-  const SystemZInstrInfo &TII =
-    *static_cast<const SystemZInstrInfo*>(TM.getInstrInfo());
+  auto *TII = static_cast<const SystemZInstrInfo*>(TM.getInstrInfo());
   const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
   DebugLoc DL = MI->getDebugLoc();
 
@@ -84,7 +83,7 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
   // See if the offset is in range, or if an equivalent instruction that
   // accepts the offset exists.
   unsigned Opcode = MI->getOpcode();
-  unsigned OpcodeForOffset = TII.getOpcodeForOffset(Opcode, Offset);
+  unsigned OpcodeForOffset = TII->getOpcodeForOffset(Opcode, Offset);
   if (OpcodeForOffset)
     MI->getOperand(FIOperandNum).ChangeToRegister(BasePtr, false);
   else {
@@ -94,7 +93,7 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
     int64_t Mask = 0xffff;
     do {
       Offset = OldOffset & Mask;
-      OpcodeForOffset = TII.getOpcodeForOffset(Opcode, Offset);
+      OpcodeForOffset = TII->getOpcodeForOffset(Opcode, Offset);
       Mask >>= 1;
       assert(Mask && "One offset must be OK");
     } while (!OpcodeForOffset);
@@ -107,21 +106,21 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
         && MI->getOperand(FIOperandNum + 2).getReg() == 0) {
       // Load the offset into the scratch register and use it as an index.
       // The scratch register then dies here.
-      TII.loadImmediate(MBB, MI, ScratchReg, HighOffset);
+      TII->loadImmediate(MBB, MI, ScratchReg, HighOffset);
       MI->getOperand(FIOperandNum).ChangeToRegister(BasePtr, false);
       MI->getOperand(FIOperandNum + 2).ChangeToRegister(ScratchReg,
                                                         false, false, true);
     } else {
       // Load the anchor address into a scratch register.
-      unsigned LAOpcode = TII.getOpcodeForOffset(SystemZ::LA, HighOffset);
+      unsigned LAOpcode = TII->getOpcodeForOffset(SystemZ::LA, HighOffset);
       if (LAOpcode)
-        BuildMI(MBB, MI, DL, TII.get(LAOpcode),ScratchReg)
+        BuildMI(MBB, MI, DL, TII->get(LAOpcode),ScratchReg)
           .addReg(BasePtr).addImm(HighOffset).addReg(0);
       else {
         // Load the high offset into the scratch register and use it as
         // an index.
-        TII.loadImmediate(MBB, MI, ScratchReg, HighOffset);
-        BuildMI(MBB, MI, DL, TII.get(SystemZ::AGR),ScratchReg)
+        TII->loadImmediate(MBB, MI, ScratchReg, HighOffset);
+        BuildMI(MBB, MI, DL, TII->get(SystemZ::AGR),ScratchReg)
           .addReg(ScratchReg, RegState::Kill).addReg(BasePtr);
       }
 
@@ -130,7 +129,7 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
                                                     false, false, true);
     }
   }
-  MI->setDesc(TII.get(OpcodeForOffset));
+  MI->setDesc(TII->get(OpcodeForOffset));
   MI->getOperand(FIOperandNum + 1).ChangeToImmediate(Offset);
 }