forked from OSchip/llvm-project
136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
//===-- MipsAsmPrinter.h - Mips LLVM Assembly Printer ----------*- C++ -*--===//
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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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// Mips Assembly printer class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MIPSASMPRINTER_H
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#define MIPSASMPRINTER_H
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#include "Mips16HardFloatInfo.h"
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#include "MipsMCInstLower.h"
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#include "MipsMachineFunction.h"
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#include "MipsSubtarget.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class MCStreamer;
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class MachineInstr;
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class MachineBasicBlock;
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class MipsTargetStreamer;
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class Module;
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class raw_ostream;
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class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
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MipsTargetStreamer &getTargetStreamer();
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void EmitInstrWithMacroNoAT(const MachineInstr *MI);
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private:
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// tblgen'erated function.
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bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
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const MachineInstr *MI);
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// lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
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bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
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/// MCP - Keep a pointer to constantpool entries of the current
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/// MachineFunction.
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const MachineConstantPool *MCP;
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/// InConstantPool - Maintain state when emitting a sequence of constant
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/// pool entries so we can properly mark them as data regions.
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bool InConstantPool;
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std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
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StubsNeeded;
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void EmitJal(MCSymbol *Symbol);
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void EmitInstrReg(unsigned Opcode, unsigned Reg);
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void EmitInstrRegReg(unsigned Opcode, unsigned Reg1, unsigned Reg2);
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void EmitInstrRegRegReg(unsigned Opcode, unsigned Reg1, unsigned Reg2,
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unsigned Reg3);
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void EmitMovFPIntPair(unsigned MovOpc, unsigned Reg1, unsigned Reg2,
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unsigned FPReg1, unsigned FPReg2, bool LE);
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void EmitSwapFPIntParams(Mips16HardFloatInfo::FPParamVariant, bool LE,
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bool ToFP);
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void EmitSwapFPIntRetval(Mips16HardFloatInfo::FPReturnVariant, bool LE);
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void EmitFPCallStub(const char *, const Mips16HardFloatInfo::FuncSignature *);
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void NaClAlignIndirectJumpTargets(MachineFunction &MF);
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bool isLongBranchPseudo(int Opcode) const;
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public:
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const MipsSubtarget *Subtarget;
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const MipsFunctionInfo *MipsFI;
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MipsMCInstLower MCInstLowering;
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explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
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: AsmPrinter(TM, Streamer), MCP(nullptr), InConstantPool(false),
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MCInstLowering(*this) {
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Subtarget = &TM.getSubtarget<MipsSubtarget>();
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}
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const char *getPassName() const override {
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return "Mips Assembly Printer";
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}
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bool runOnMachineFunction(MachineFunction &MF) override;
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void EmitConstantPool() override {
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bool UsingConstantPools =
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(Subtarget->inMips16Mode() && Subtarget->useConstantIslands());
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if (!UsingConstantPools)
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AsmPrinter::EmitConstantPool();
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// we emit constant pools customly!
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}
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void EmitInstruction(const MachineInstr *MI) override;
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void printSavedRegsBitmask();
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void emitFrameDirective();
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const char *getCurrentABIString() const;
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void EmitFunctionEntryLabel() override;
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void EmitFunctionBodyStart() override;
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void EmitFunctionBodyEnd() override;
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bool isBlockOnlyReachableByFallthrough(
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const MachineBasicBlock* MBB) const override;
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bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant, const char *ExtraCode,
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raw_ostream &O) override;
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bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
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unsigned AsmVariant, const char *ExtraCode,
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raw_ostream &O) override;
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void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printUnsignedImm8(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
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const char *Modifier = nullptr);
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void EmitStartOfAsmFile(Module &M) override;
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void EmitEndOfAsmFile(Module &M) override;
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void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
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};
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}
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#endif
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