2013-03-15 02:27:31 +08:00
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//===---- Mips16ISelDAGToDAG.h - A Dag to Dag Inst Selector for Mips ------===//
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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 mips16.
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//
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//===----------------------------------------------------------------------===//
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2014-08-14 00:26:38 +08:00
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#ifndef LLVM_LIB_TARGET_MIPS_MIPS16ISELDAGTODAG_H
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#define LLVM_LIB_TARGET_MIPS_MIPS16ISELDAGTODAG_H
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2013-03-15 02:27:31 +08:00
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#include "MipsISelDAGToDAG.h"
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namespace llvm {
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class Mips16DAGToDAGISel : public MipsDAGToDAGISel {
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public:
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explicit Mips16DAGToDAGISel(MipsTargetMachine &TM) : MipsDAGToDAGISel(TM) {}
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private:
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2016-06-12 23:39:02 +08:00
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std::pair<SDNode *, SDNode *> selectMULT(SDNode *N, unsigned Opc,
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const SDLoc &DL, EVT Ty, bool HasLo,
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bool HasHi);
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2013-03-15 02:27:31 +08:00
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2014-04-29 15:58:02 +08:00
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bool runOnMachineFunction(MachineFunction &MF) override;
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2013-04-10 03:46:01 +08:00
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2016-06-16 18:20:59 +08:00
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bool selectAddr(bool SPAllowed, SDValue Addr, SDValue &Base,
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SDValue &Offset);
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bool selectAddr16(SDValue Addr, SDValue &Base,
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SDValue &Offset) override;
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bool selectAddr16SP(SDValue Addr, SDValue &Base,
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SDValue &Offset) override;
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2013-03-15 02:27:31 +08:00
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2016-05-14 07:55:59 +08:00
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bool trySelect(SDNode *Node) override;
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2013-03-15 02:27:31 +08:00
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2014-04-29 15:58:02 +08:00
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void processFunctionAfterISel(MachineFunction &MF) override;
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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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2013-03-15 02:33:23 +08:00
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void initMips16SPAliasReg(MachineFunction &MF);
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2013-03-15 02:27:31 +08:00
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};
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FunctionPass *createMips16ISelDag(MipsTargetMachine &TM);
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2015-06-23 17:49:53 +08:00
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}
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2013-03-15 02:27:31 +08:00
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#endif
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