X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86AsmPrinter.h;h=3a50435d38baf19b2801d7e0b6b60791a9dc17f7;hb=0be938e38916cecd4d3406c8531a341b2e1c9ec5;hp=b9c79fee4b6085a40b3c309cd6cd41834e1e827c;hpb=1c4b5eaa4628935c4db3e422aa10f2031e6d1679;p=oota-llvm.git diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h index b9c79fee4b6..3a50435d38b 100644 --- a/lib/Target/X86/X86AsmPrinter.h +++ b/lib/Target/X86/X86AsmPrinter.h @@ -1,4 +1,4 @@ -//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===// +//===-- X86AsmPrinter.h - Convert X86 LLVM code to assembly -----*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -7,9 +7,7 @@ // //===----------------------------------------------------------------------===// // -// 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. // //===----------------------------------------------------------------------===// @@ -21,58 +19,67 @@ #include "X86TargetMachine.h" #include "llvm/ADT/StringSet.h" #include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/DwarfWriter.h" #include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/ValueTypes.h" #include "llvm/Support/Compiler.h" namespace llvm { -struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter { - DwarfWriter DW; - MachineModuleInfo *MMI; +class MachineJumpTableInfo; +class MCContext; +class MCInst; +class MCStreamer; +class MCSymbol; - X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM, - const TargetAsmInfo *T) - : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) { +class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter { + const X86Subtarget *Subtarget; + public: + explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer) + : AsmPrinter(TM, Streamer) { Subtarget = &TM.getSubtarget(); } - // We have to propagate some information about MachineFunction to - // AsmPrinter. It's ok, when we're printing the function, since we have - // access to MachineFunction and can get the appropriate MachineFunctionInfo. - // Unfortunately, this is not possible when we're printing reference to - // Function (e.g. calling it and so on). Even more, there is no way to get the - // corresponding MachineFunctions: it can even be not created at all. That's - // why we should use additional structure, when we're collecting all necessary - // information. - // - // This structure is using e.g. for name decoration for stdcall & fastcall'ed - // function, since we have to use arguments' size for decoration. - typedef std::map FMFInfoMap; - FMFInfoMap FunctionInfoMap; - - void decorateName(std::string& Name, const GlobalValue* GV); - - bool doInitialization(Module &M); - bool doFinalization(Module &M); - - void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - if (Subtarget->isTargetDarwin() || - Subtarget->isTargetELF() || - Subtarget->isTargetCygMing()) { - AU.addRequired(); - } - AsmPrinter::getAnalysisUsage(AU); + virtual const char *getPassName() const { + return "X86 AT&T-Style Assembly Printer"; } + + const X86Subtarget &getSubtarget() const { return *Subtarget; } - const X86Subtarget *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); - // Necessary for Darwin to print out the apprioriate types of linker stubs - StringSet<> FnStubs, GVStubs, LinkOnceStubs; + bool runOnMachineFunction(MachineFunction &F); + + void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS); - // Necessary for dllexport support - StringSet<> DLLExportedFns, DLLExportedGVs; + MachineLocation getDebugValueLocation(const MachineInstr *MI) const; }; } // end namespace llvm