X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86AsmPrinter.h;h=3a50435d38baf19b2801d7e0b6b60791a9dc17f7;hb=0be938e38916cecd4d3406c8531a341b2e1c9ec5;hp=fa84c9ec132d89429d49a241afea9189162c57ca;hpb=37efe6764568a3829fee26aba532283131d1a104;p=oota-llvm.git diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h old mode 100755 new mode 100644 index fa84c9ec132..3a50435d38b --- a/lib/Target/X86/X86AsmPrinter.h +++ b/lib/Target/X86/X86AsmPrinter.h @@ -1,15 +1,13 @@ -//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===// +//===-- X86AsmPrinter.h - Convert X86 LLVM code to assembly -----*- C++ -*-===// // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // -// This file the shared super class printer that converts from our internal -// representation of machine-dependent LLVM code to Intel and AT&T format -// assembly language. This printer is the output mechanism used by `llc'. +// AT&T assembly code printer class. // //===----------------------------------------------------------------------===// @@ -17,79 +15,71 @@ #define X86ASMPRINTER_H #include "X86.h" +#include "X86MachineFunctionInfo.h" #include "X86TargetMachine.h" +#include "llvm/ADT/StringSet.h" #include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/DwarfWriter.h" -#include "llvm/CodeGen/MachineDebugInfo.h" -#include "llvm/ADT/Statistic.h" -#include - +#include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/ValueTypes.h" +#include "llvm/Support/Compiler.h" namespace llvm { -extern Statistic<> EmittedInsts; - -/// X86DwarfWriter - Dwarf debug info writer customized for Darwin/Mac OS X -/// -struct X86DwarfWriter : public DwarfWriter { - // Ctor. -X86DwarfWriter(std::ostream &o, AsmPrinter *ap) - : DwarfWriter(o, ap) - { - needsSet = true; - DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev"; - DwarfInfoSection = ".section __DWARFA,__debug_info"; - DwarfLineSection = ".section __DWARFA,__debug_line"; - DwarfFrameSection = ".section __DWARFA,__debug_frame"; - DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames"; - DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes"; - DwarfStrSection = ".section __DWARFA,__debug_str"; - DwarfLocSection = ".section __DWARFA,__debug_loc"; - DwarfARangesSection = ".section __DWARFA,__debug_aranges"; - DwarfRangesSection = ".section __DWARFA,__debug_ranges"; - DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo"; - TextSection = ".text"; - DataSection = ".data"; - } -}; - -struct X86SharedAsmPrinter : public AsmPrinter { - X86DwarfWriter DW; - - X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM) - : AsmPrinter(O, TM), DW(O, this), forDarwin(false) { } - - bool doInitialization(Module &M); - bool doFinalization(Module &M); - - void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - AU.addRequired(); - MachineFunctionPass::getAnalysisUsage(AU); +class MachineJumpTableInfo; +class MCContext; +class MCInst; +class MCStreamer; +class MCSymbol; + +class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter { + const X86Subtarget *Subtarget; + public: + explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer) + : AsmPrinter(TM, Streamer) { + Subtarget = &TM.getSubtarget(); } - bool forDarwin; // FIXME: eliminate. - - // Necessary for Darwin to print out the apprioriate types of linker stubs - std::set FnStubs, GVStubs, LinkOnceStubs; - - inline static bool isScale(const MachineOperand &MO) { - return MO.isImmediate() && - (MO.getImmedValue() == 1 || MO.getImmedValue() == 2 || - MO.getImmedValue() == 4 || MO.getImmedValue() == 8); + virtual const char *getPassName() const { + return "X86 AT&T-Style Assembly Printer"; } - - inline static bool isMem(const MachineInstr *MI, unsigned Op) { - if (MI->getOperand(Op).isFrameIndex()) return true; - return Op+4 <= MI->getNumOperands() && - MI->getOperand(Op ).isRegister() && isScale(MI->getOperand(Op+1)) && - MI->getOperand(Op+2).isRegister() && - (MI->getOperand(Op+3).isImmediate() || - MI->getOperand(Op+3).isGlobalAddress() || - MI->getOperand(Op+3).isConstantPoolIndex()); - } - - virtual void printBasicBlockLabel(const MachineBasicBlock *MBB) const; + + const X86Subtarget &getSubtarget() const { return *Subtarget; } + + virtual void EmitStartOfAsmFile(Module &M); + + virtual void EmitEndOfAsmFile(Module &M); + + virtual void EmitInstruction(const MachineInstr *MI); + + void printSymbolOperand(const MachineOperand &MO, raw_ostream &O); + + // These methods are used by the tablegen'erated instruction printer. + void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O, + const char *Modifier = 0); + void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O); + + bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O); + bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, + unsigned AsmVariant, const char *ExtraCode, + raw_ostream &OS); + bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, + unsigned AsmVariant, const char *ExtraCode, + raw_ostream &OS); + + void printMachineInstruction(const MachineInstr *MI); + void printSSECC(const MachineInstr *MI, unsigned Op, raw_ostream &O); + void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O, + const char *Modifier=NULL); + void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O, + const char *Modifier=NULL); + + void printPICLabel(const MachineInstr *MI, unsigned Op, raw_ostream &O); + + bool runOnMachineFunction(MachineFunction &F); + + void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS); + + MachineLocation getDebugValueLocation(const MachineInstr *MI) const; }; } // end namespace llvm