C++ (Cpp) JumpTableSDNode Examples

Example #1

File: SystemZISelLowering.cpp Project: mfleming/llvm-mirror

// FIXME: PIC here
SDValue SystemZTargetLowering::LowerJumpTable(SDValue Op,
                                              SelectionDAG &DAG) const {
  DebugLoc dl = Op.getDebugLoc();
  JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
  SDValue Result = DAG.getTargetJumpTable(JT->getIndex(), getPointerTy());

  return DAG.getNode(SystemZISD::PCRelativeWrapper, dl, getPointerTy(), Result);
}

Example #2

File: NvfcISelLowering.cpp Project: yukke-fj/nvfc

SDValue NvfcTargetLowering::LowerJumpTable(SDValue Op,
					    SelectionDAG &DAG) const
{
  DebugLoc dl = Op.getDebugLoc();
  EVT PtrVT = Op.getValueType();
  JumpTableSDNode *JT  = cast<JumpTableSDNode>(Op);
  SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
  return DAG.getNode(NvfcISD::Wrapper, dl, getPointerTy(), JTI);
}

Example #3

File: AlphaISelLowering.cpp Project: BackupTheBerlios/iphone-binutils-svn

static SDOperand LowerJumpTable(SDOperand Op, SelectionDAG &DAG) {
  MVT::ValueType PtrVT = Op.getValueType();
  JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
  SDOperand JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
  SDOperand Zero = DAG.getConstant(0, PtrVT);
  
  SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi,  MVT::i64, JTI,
                             DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
  SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, JTI, Hi);
  return Lo;
}

Example #4

File: AlphaISelLowering.cpp Project: TheRyaz/c_reading

static SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) {
    EVT PtrVT = Op.getValueType();
    JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
    SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
    // FIXME there isn't really any debug info here
    DebugLoc dl = Op.getDebugLoc();

    SDValue Hi = DAG.getNode(AlphaISD::GPRelHi,  dl, MVT::i64, JTI,
                             DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
    SDValue Lo = DAG.getNode(AlphaISD::GPRelLo, dl, MVT::i64, JTI, Hi);
    return Lo;
}

Example #5

SDValue MBlazeTargetLowering::
LowerJumpTable(SDValue Op, SelectionDAG &DAG) const {
    SDValue ResNode;
    SDValue HiPart;
    // FIXME there isn't actually debug info here
    DebugLoc dl = Op.getDebugLoc();

    EVT PtrVT = Op.getValueType();
    JumpTableSDNode *JT  = cast<JumpTableSDNode>(Op);

    SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT, 0);
    return DAG.getNode(MBlazeISD::Wrap, dl, MVT::i32, JTI);
}

Example #6

File: MipsISelLowering.cpp Project: Killfrra/llvm-kernel

SDValue MipsTargetLowering::
LowerJumpTable(SDValue Op, SelectionDAG &DAG) 
{
  SDValue ResNode;
  SDValue HiPart; 
  // FIXME there isn't actually debug info here
  DebugLoc dl = Op.getDebugLoc();

  EVT PtrVT = Op.getValueType();
  JumpTableSDNode *JT  = cast<JumpTableSDNode>(Op);
  SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);

  if (getTargetMachine().getRelocationModel() != Reloc::PIC_) {
    SDVTList VTs = DAG.getVTList(MVT::i32);
    SDValue Ops[] = { JTI };
    HiPart = DAG.getNode(MipsISD::Hi, dl, VTs, Ops, 1);
  } else // Emit Load from Global Pointer
    HiPart = DAG.getLoad(MVT::i32, dl, DAG.getEntryNode(), JTI, NULL, 0);

  SDValue Lo = DAG.getNode(MipsISD::Lo, dl, MVT::i32, JTI);
  ResNode = DAG.getNode(ISD::ADD, dl, MVT::i32, HiPart, Lo);

  return ResNode;
}