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 X86IntelAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
29 const TargetAsmInfo *T, bool F, bool V)
30 : AsmPrinter(O, TM, T, F, V) {}
32 virtual const char *getPassName() const {
33 return "X86 Intel-Style Assembly Printer";
36 /// printInstruction - This method is automatically generated by tablegen
37 /// from the instruction set description. This method returns true if the
38 /// machine instruction was sufficiently described to print it, otherwise it
40 bool printInstruction(const MachineInstr *MI);
42 // This method is used by the tablegen'erated instruction printer.
43 void printOperand(const MachineInstr *MI, unsigned OpNo,
44 const char *Modifier = 0) {
45 const MachineOperand &MO = MI->getOperand(OpNo);
47 assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
49 O << TM.getRegisterInfo()->get(MO.getReg()).Name; // Capitalized names
51 printOp(MO, Modifier);
55 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
57 printMemReference(MI, OpNo);
59 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
61 printMemReference(MI, OpNo);
63 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
65 printMemReference(MI, OpNo);
67 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
69 printMemReference(MI, OpNo);
71 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
73 printMemReference(MI, OpNo);
75 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
77 printMemReference(MI, OpNo);
79 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
81 printMemReference(MI, OpNo);
83 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
85 printMemReference(MI, OpNo);
87 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
89 printMemReference(MI, OpNo);
91 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
93 printLeaMemReference(MI, OpNo);
95 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
97 printLeaMemReference(MI, OpNo);
99 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
101 printLeaMemReference(MI, OpNo, "subreg64");
104 bool printAsmMRegister(const MachineOperand &MO, const char Mode);
105 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
106 unsigned AsmVariant, const char *ExtraCode);
107 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
108 unsigned AsmVariant, const char *ExtraCode);
109 void printMachineInstruction(const MachineInstr *MI);
110 void printOp(const MachineOperand &MO, const char *Modifier = 0);
111 void printSSECC(const MachineInstr *MI, unsigned Op);
112 void printMemReference(const MachineInstr *MI, unsigned Op,
113 const char *Modifier=NULL);
114 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
115 const char *Modifier=NULL);
116 void printPICJumpTableSetLabel(unsigned uid,
117 const MachineBasicBlock *MBB) const;
118 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
119 const MachineBasicBlock *MBB) const {
120 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
122 void printPICLabel(const MachineInstr *MI, unsigned Op);
123 bool runOnMachineFunction(MachineFunction &F);
124 bool doInitialization(Module &M);
125 bool doFinalization(Module &M);
127 // We have to propagate some information about MachineFunction to
128 // AsmPrinter. It's ok, when we're printing the function, since we have
129 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
130 // Unfortunately, this is not possible when we're printing reference to
131 // Function (e.g. calling it and so on). Even more, there is no way to get the
132 // corresponding MachineFunctions: it can even be not created at all. That's
133 // why we should use additional structure, when we're collecting all necessary
136 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
137 // function, since we have to use arguments' size for decoration.
138 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
139 FMFInfoMap FunctionInfoMap;
141 void decorateName(std::string& Name, const GlobalValue* GV);
143 virtual void EmitString(const ConstantArray *CVA) const;
145 // Necessary for dllexport support
146 StringSet<> DLLExportedFns, DLLExportedGVs;
149 } // end namespace llvm