1 files changed, 0 insertions, 143 deletions
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
deleted file mode 100644
index b1050d46e550..000000000000
--- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-//===- SystemZRegisterInfo.cpp - SystemZ Register Information -------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the SystemZ implementation of the TargetRegisterInfo class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "SystemZ.h"
-#include "SystemZInstrInfo.h"
-#include "SystemZMachineFunctionInfo.h"
-#include "SystemZRegisterInfo.h"
-#include "SystemZSubtarget.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/Target/TargetFrameLowering.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include "llvm/ADT/BitVector.h"
-
-#define GET_REGINFO_TARGET_DESC
-#include "SystemZGenRegisterInfo.inc"
-
-using namespace llvm;
-
-SystemZRegisterInfo::SystemZRegisterInfo(SystemZTargetMachine &tm,
-                                         const SystemZInstrInfo &tii)
-  : SystemZGenRegisterInfo(0), TM(tm), TII(tii) {
-}
-
-const unsigned*
-SystemZRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
-  static const unsigned CalleeSavedRegs[] = {
-    SystemZ::R6D,  SystemZ::R7D,  SystemZ::R8D,  SystemZ::R9D,
-    SystemZ::R10D, SystemZ::R11D, SystemZ::R12D, SystemZ::R13D,
-    SystemZ::R14D, SystemZ::R15D,
-    SystemZ::F8L,  SystemZ::F9L,  SystemZ::F10L, SystemZ::F11L,
-    SystemZ::F12L, SystemZ::F13L, SystemZ::F14L, SystemZ::F15L,
-    0
-  };
-
-  return CalleeSavedRegs;
-}
-
-BitVector SystemZRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
-  BitVector Reserved(getNumRegs());
-  const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
-
-  if (TFI->hasFP(MF)) {
-    // R11D is the frame pointer. Reserve all aliases.
-    Reserved.set(SystemZ::R11D);
-    Reserved.set(SystemZ::R11W);
-    Reserved.set(SystemZ::R10P);
-    Reserved.set(SystemZ::R10Q);
-  }
-
-  Reserved.set(SystemZ::R14D);
-  Reserved.set(SystemZ::R15D);
-  Reserved.set(SystemZ::R14W);
-  Reserved.set(SystemZ::R15W);
-  Reserved.set(SystemZ::R14P);
-  Reserved.set(SystemZ::R14Q);
-  return Reserved;
-}
-
-const TargetRegisterClass*
-SystemZRegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
-                                              const TargetRegisterClass *B,
-                                              unsigned Idx) const {
-  switch(Idx) {
-  // Exact sub-classes don't exist for the other sub-register indexes.
-  default: return 0;
-  case SystemZ::subreg_32bit:
-    if (B == SystemZ::ADDR32RegisterClass)
-      return A->getSize() == 8 ? SystemZ::ADDR64RegisterClass : 0;
-    return A;
-  }
-}
-
-void SystemZRegisterInfo::
-eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
-                              MachineBasicBlock::iterator I) const {
-  MBB.erase(I);
-}
-
-void
-SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
-                                         int SPAdj, RegScavenger *RS) const {
-  assert(SPAdj == 0 && "Unxpected");
-
-  unsigned i = 0;
-  MachineInstr &MI = *II;
-  MachineFunction &MF = *MI.getParent()->getParent();
-  const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
-
-  while (!MI.getOperand(i).isFI()) {
-    ++i;
-    assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
-  }
-
-  int FrameIndex = MI.getOperand(i).getIndex();
-
-  unsigned BasePtr = (TFI->hasFP(MF) ? SystemZ::R11D : SystemZ::R15D);
-
-  // This must be part of a rri or ri operand memory reference.  Replace the
-  // FrameIndex with base register with BasePtr.  Add an offset to the
-  // displacement field.
-  MI.getOperand(i).ChangeToRegister(BasePtr, false);
-
-  // Offset is a either 12-bit unsigned or 20-bit signed integer.
-  // FIXME: handle "too long" displacements.
-  int Offset =
-    TFI->getFrameIndexOffset(MF, FrameIndex) + MI.getOperand(i+1).getImm();
-
-  // Check whether displacement is too long to fit into 12 bit zext field.
-  MI.setDesc(TII.getMemoryInstr(MI.getOpcode(), Offset));
-
-  MI.getOperand(i+1).ChangeToImmediate(Offset);
-}
-
-unsigned
-SystemZRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  assert(0 && "What is the frame register");
-  return 0;
-}
-
-unsigned SystemZRegisterInfo::getEHExceptionRegister() const {
-  assert(0 && "What is the exception register");
-  return 0;
-}
-
-unsigned SystemZRegisterInfo::getEHHandlerRegister() const {
-  assert(0 && "What is the exception handler register");
-  return 0;
-}