1 //===-- X86IntelAsmPrinter.h - Convert X86 LLVM code to Intel assembly ----===//
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 // Intel assembly code printer class.
12 //===----------------------------------------------------------------------===//
14 #ifndef X86INTELASMPRINTER_H
15 #define X86INTELASMPRINTER_H
18 #include "../X86MachineFunctionInfo.h"
19 #include "../X86TargetMachine.h"
20 #include "llvm/CodeGen/AsmPrinter.h"
21 #include "llvm/ADT/StringSet.h"
22 #include "llvm/Support/Compiler.h"
23 #include "llvm/Support/raw_ostream.h"
27 struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter {
28 explicit X86IntelAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
29 const TargetAsmInfo *T, CodeGenOpt::Level OL,
31 : AsmPrinter(O, TM, T, OL, V) {}
33 virtual const char *getPassName() const {
34 return "X86 Intel-Style Assembly Printer";
37 /// printInstruction - This method is automatically generated by tablegen
38 /// from the instruction set description. This method returns true if the
39 /// machine instruction was sufficiently described to print it, otherwise it
41 bool printInstruction(const MachineInstr *MI);
43 // This method is used by the tablegen'erated instruction printer.
44 void printOperand(const MachineInstr *MI, unsigned OpNo,
45 const char *Modifier = 0) {
46 const MachineOperand &MO = MI->getOperand(OpNo);
48 assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
50 O << TM.getRegisterInfo()->get(MO.getReg()).Name; // Capitalized names
52 printOp(MO, Modifier);
56 void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo);
59 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
61 printMemReference(MI, OpNo);
63 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
65 printMemReference(MI, OpNo);
67 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
69 printMemReference(MI, OpNo);
71 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
73 printMemReference(MI, OpNo);
75 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
77 printMemReference(MI, OpNo);
79 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
81 printMemReference(MI, OpNo);
83 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
85 printMemReference(MI, OpNo);
87 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
89 printMemReference(MI, OpNo);
91 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
93 printMemReference(MI, OpNo);
95 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
97 printLeaMemReference(MI, OpNo);
99 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
101 printLeaMemReference(MI, OpNo);
103 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
105 printLeaMemReference(MI, OpNo, "subreg64");
108 bool printAsmMRegister(const MachineOperand &MO, const char Mode);
109 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
110 unsigned AsmVariant, const char *ExtraCode);
111 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
112 unsigned AsmVariant, const char *ExtraCode);
113 void printMachineInstruction(const MachineInstr *MI);
114 void printOp(const MachineOperand &MO, const char *Modifier = 0);
115 void printSSECC(const MachineInstr *MI, unsigned Op);
116 void printMemReference(const MachineInstr *MI, unsigned Op,
117 const char *Modifier=NULL);
118 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
119 const char *Modifier=NULL);
120 void printPICJumpTableSetLabel(unsigned uid,
121 const MachineBasicBlock *MBB) const;
122 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
123 const MachineBasicBlock *MBB) const {
124 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
126 void printPICLabel(const MachineInstr *MI, unsigned Op);
127 bool runOnMachineFunction(MachineFunction &F);
128 bool doInitialization(Module &M);
129 bool doFinalization(Module &M);
131 // We have to propagate some information about MachineFunction to
132 // AsmPrinter. It's ok, when we're printing the function, since we have
133 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
134 // Unfortunately, this is not possible when we're printing reference to
135 // Function (e.g. calling it and so on). Even more, there is no way to get the
136 // corresponding MachineFunctions: it can even be not created at all. That's
137 // why we should use additional structure, when we're collecting all necessary
140 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
141 // function, since we have to use arguments' size for decoration.
142 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
143 FMFInfoMap FunctionInfoMap;
145 void decorateName(std::string& Name, const GlobalValue* GV);
147 virtual void EmitString(const ConstantArray *CVA) const;
149 // Necessary for dllexport support
150 StringSet<> DLLExportedFns, DLLExportedGVs;
153 } // end namespace llvm