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-rw-r--r--lib/Target/Blackfin/BlackfinISelLowering.h83
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diff --git a/lib/Target/Blackfin/BlackfinISelLowering.h b/lib/Target/Blackfin/BlackfinISelLowering.h
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-//===- BlackfinISelLowering.h - Blackfin DAG Lowering Interface -*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the interfaces that Blackfin uses to lower LLVM code into a
-// selection DAG.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef BLACKFIN_ISELLOWERING_H
-#define BLACKFIN_ISELLOWERING_H
-
-#include "llvm/Target/TargetLowering.h"
-#include "Blackfin.h"
-
-namespace llvm {
-
- namespace BFISD {
- enum {
- FIRST_NUMBER = ISD::BUILTIN_OP_END,
- CALL, // A call instruction.
- RET_FLAG, // Return with a flag operand.
- Wrapper // Address wrapper
- };
- }
-
- class BlackfinTargetLowering : public TargetLowering {
- public:
- BlackfinTargetLowering(TargetMachine &TM);
- virtual MVT getShiftAmountTy(EVT LHSTy) const { return MVT::i16; }
- virtual EVT getSetCCResultType(EVT VT) const;
- virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
- virtual void ReplaceNodeResults(SDNode *N,
- SmallVectorImpl<SDValue> &Results,
- SelectionDAG &DAG) const;
-
- ConstraintType getConstraintType(const std::string &Constraint) const;
-
- /// Examine constraint string and operand type and determine a weight value.
- /// The operand object must already have been set up with the operand type.
- ConstraintWeight getSingleConstraintMatchWeight(
- AsmOperandInfo &info, const char *constraint) const;
-
- std::pair<unsigned, const TargetRegisterClass*>
- getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const;
- virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
- const char *getTargetNodeName(unsigned Opcode) const;
-
- private:
- SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerADDE(SDValue Op, SelectionDAG &DAG) const;
-
- virtual SDValue
- LowerFormalArguments(SDValue Chain,
- CallingConv::ID CallConv, bool isVarArg,
- const SmallVectorImpl<ISD::InputArg> &Ins,
- DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) const;
- virtual SDValue
- LowerCall(SDValue Chain, SDValue Callee,
- CallingConv::ID CallConv, bool isVarArg, bool &isTailCall,
- const SmallVectorImpl<ISD::OutputArg> &Outs,
- const SmallVectorImpl<SDValue> &OutVals,
- const SmallVectorImpl<ISD::InputArg> &Ins,
- DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) const;
-
- virtual SDValue
- LowerReturn(SDValue Chain,
- CallingConv::ID CallConv, bool isVarArg,
- const SmallVectorImpl<ISD::OutputArg> &Outs,
- const SmallVectorImpl<SDValue> &OutVals,
- DebugLoc dl, SelectionDAG &DAG) const;
- };
-} // end namespace llvm
-
-#endif // BLACKFIN_ISELLOWERING_H