2013-03-15 02:27:31 +08:00
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//===-- MipsSEISelDAGToDAG.h - A Dag to Dag Inst Selector for MipsSE -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Subclass of MipsDAGToDAGISel specialized for mips32/64.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MIPSSEISELDAGTODAG_H
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#define MIPSSEISELDAGTODAG_H
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#include "MipsISelDAGToDAG.h"
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namespace llvm {
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class MipsSEDAGToDAGISel : public MipsDAGToDAGISel {
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public:
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explicit MipsSEDAGToDAGISel(MipsTargetMachine &TM) : MipsDAGToDAGISel(TM) {}
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private:
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2013-04-10 03:46:01 +08:00
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virtual bool runOnMachineFunction(MachineFunction &MF);
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2013-03-15 02:33:23 +08:00
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bool replaceUsesWithZeroReg(MachineRegisterInfo *MRI, const MachineInstr&);
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2013-03-15 02:27:31 +08:00
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2013-03-15 02:33:23 +08:00
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std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, DebugLoc dl,
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2013-03-15 02:27:31 +08:00
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EVT Ty, bool HasLo, bool HasHi);
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2013-03-15 02:39:25 +08:00
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SDNode *selectAddESubE(unsigned MOp, SDValue InFlag, SDValue CmpLHS,
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DebugLoc DL, SDNode *Node) const;
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2013-03-15 02:27:31 +08:00
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virtual bool selectAddrRegImm(SDValue Addr, SDValue &Base,
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SDValue &Offset) const;
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virtual bool selectAddrDefault(SDValue Addr, SDValue &Base,
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SDValue &Offset) const;
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virtual bool selectIntAddr(SDValue Addr, SDValue &Base,
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SDValue &Offset) const;
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2013-03-15 02:33:23 +08:00
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virtual std::pair<bool, SDNode*> selectNode(SDNode *Node);
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2013-03-15 02:27:31 +08:00
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2013-03-15 02:33:23 +08:00
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virtual void processFunctionAfterISel(MachineFunction &MF);
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2013-03-15 02:27:31 +08:00
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// Insert instructions to initialize the global base register in the
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// first MBB of the function.
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2013-03-15 02:33:23 +08:00
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void initGlobalBaseReg(MachineFunction &MF);
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2013-03-15 02:27:31 +08:00
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};
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FunctionPass *createMipsSEISelDag(MipsTargetMachine &TM);
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}
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#endif
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