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 "MipsMCInstLower.h"
18 #include "MipsMachineFunction.h"
19 #include "MipsSubtarget.h"
20 #include "llvm/CodeGen/AsmPrinter.h"
21 #include "llvm/Support/Compiler.h"
22 #include "llvm/Target/TargetMachine.h"
27 class MachineBasicBlock;
28 class MipsTargetStreamer;
32 class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
33 MipsTargetStreamer &getTargetStreamer();
35 void EmitInstrWithMacroNoAT(const MachineInstr *MI);
38 // tblgen'erated function.
39 bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
40 const MachineInstr *MI);
42 // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
43 bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
45 /// MCP - Keep a pointer to constantpool entries of the current
47 const MachineConstantPool *MCP;
49 /// InConstantPool - Maintain state when emitting a sequence of constant
50 /// pool entries so we can properly mark them as data regions.
53 bool UsingConstantPools;
57 const MipsSubtarget *Subtarget;
58 const MipsFunctionInfo *MipsFI;
59 MipsMCInstLower MCInstLowering;
61 explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
62 : AsmPrinter(TM, Streamer), MCP(0), InConstantPool(false),
63 MCInstLowering(*this) {
64 Subtarget = &TM.getSubtarget<MipsSubtarget>();
66 (Subtarget->inMips16Mode() && Subtarget->useConstantIslands());
69 virtual const char *getPassName() const {
70 return "Mips Assembly Printer";
73 virtual bool runOnMachineFunction(MachineFunction &MF);
75 virtual void EmitConstantPool() LLVM_OVERRIDE {
76 if (!UsingConstantPools)
77 AsmPrinter::EmitConstantPool();
78 // we emit constant pools customly!
81 void EmitInstruction(const MachineInstr *MI);
82 void printSavedRegsBitmask(raw_ostream &O);
83 void printHex32(unsigned int Value, raw_ostream &O);
84 void emitFrameDirective();
85 const char *getCurrentABIString() const;
86 virtual void EmitFunctionEntryLabel();
87 virtual void EmitFunctionBodyStart();
88 virtual void EmitFunctionBodyEnd();
89 virtual bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock*
91 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
92 unsigned AsmVariant, const char *ExtraCode,
94 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
95 unsigned AsmVariant, const char *ExtraCode,
97 void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
98 void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
99 void printUnsignedImm8(const MachineInstr *MI, int opNum, raw_ostream &O);
100 void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
101 void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
102 void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
103 const char *Modifier = 0);
104 void EmitStartOfAsmFile(Module &M);
105 void EmitEndOfAsmFile(Module &M);
106 void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);