1 //===-- MipsAsmPrinter.h - Mips LLVM Assembly Printer ----------*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Mips Assembly printer class.
12 //===----------------------------------------------------------------------===//
14 #ifndef MIPSASMPRINTER_H
15 #define MIPSASMPRINTER_H
17 #include "Mips16HardFloatInfo.h"
18 #include "MipsMCInstLower.h"
19 #include "MipsMachineFunction.h"
20 #include "MipsSubtarget.h"
21 #include "llvm/CodeGen/AsmPrinter.h"
22 #include "llvm/Support/Compiler.h"
23 #include "llvm/Target/TargetMachine.h"
28 class MachineBasicBlock;
29 class MipsTargetStreamer;
33 class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
34 MipsTargetStreamer &getTargetStreamer();
36 void EmitInstrWithMacroNoAT(const MachineInstr *MI);
39 // tblgen'erated function.
40 bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
41 const MachineInstr *MI);
43 void emitPseudoReturn(MCStreamer &OutStreamer, const MachineInstr *MI);
45 // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
46 bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
48 /// MCP - Keep a pointer to constantpool entries of the current
50 const MachineConstantPool *MCP;
52 /// InConstantPool - Maintain state when emitting a sequence of constant
53 /// pool entries so we can properly mark them as data regions.
56 std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
59 void EmitJal(MCSymbol *Symbol);
61 void EmitInstrReg(unsigned Opcode, unsigned Reg);
63 void EmitInstrRegReg(unsigned Opcode, unsigned Reg1, unsigned Reg2);
65 void EmitInstrRegRegReg(unsigned Opcode, unsigned Reg1, unsigned Reg2,
68 void EmitMovFPIntPair(unsigned MovOpc, unsigned Reg1, unsigned Reg2,
69 unsigned FPReg1, unsigned FPReg2, bool LE);
71 void EmitSwapFPIntParams(Mips16HardFloatInfo::FPParamVariant, bool LE,
74 void EmitSwapFPIntRetval(Mips16HardFloatInfo::FPReturnVariant, bool LE);
76 void EmitFPCallStub(const char *, const Mips16HardFloatInfo::FuncSignature *);
78 void NaClAlignIndirectJumpTargets(MachineFunction &MF);
80 bool isLongBranchPseudo(int Opcode) const;
84 const MipsSubtarget *Subtarget;
85 const MipsFunctionInfo *MipsFI;
86 MipsMCInstLower MCInstLowering;
88 explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
89 : AsmPrinter(TM, Streamer), MCP(nullptr), InConstantPool(false),
90 MCInstLowering(*this) {
91 Subtarget = &TM.getSubtarget<MipsSubtarget>();
94 const char *getPassName() const override {
95 return "Mips Assembly Printer";
98 bool runOnMachineFunction(MachineFunction &MF) override;
100 void EmitConstantPool() override {
101 bool UsingConstantPools =
102 (Subtarget->inMips16Mode() && Subtarget->useConstantIslands());
103 if (!UsingConstantPools)
104 AsmPrinter::EmitConstantPool();
105 // we emit constant pools customly!
108 void EmitInstruction(const MachineInstr *MI) override;
109 void printSavedRegsBitmask();
110 void emitFrameDirective();
111 const char *getCurrentABIString() const;
112 void EmitFunctionEntryLabel() override;
113 void EmitFunctionBodyStart() override;
114 void EmitFunctionBodyEnd() override;
115 bool isBlockOnlyReachableByFallthrough(
116 const MachineBasicBlock* MBB) const override;
117 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
118 unsigned AsmVariant, const char *ExtraCode,
119 raw_ostream &O) override;
120 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
121 unsigned AsmVariant, const char *ExtraCode,
122 raw_ostream &O) override;
123 void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
124 void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
125 void printUnsignedImm8(const MachineInstr *MI, int opNum, raw_ostream &O);
126 void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
127 void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
128 void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
129 const char *Modifier = nullptr);
130 void EmitStartOfAsmFile(Module &M) override;
131 void EmitEndOfAsmFile(Module &M) override;
132 void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);