lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp

   1 //===-- X86AsmPrinter.cpp - Convert X86 LLVM IR to X86 assembly -----------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file the shared super class printer that converts from our internal
  11 // representation of machine-dependent LLVM code to Intel and AT&T format
  12 // assembly language.
  13 // This printer is the output mechanism used by `llc'.
  14 //
  15 //===----------------------------------------------------------------------===//
  16
  17 #include "X86ATTAsmPrinter.h"
  18 #include "X86IntelAsmPrinter.h"
  19 #include "X86Subtarget.h"
  20 using namespace llvm;
  21
  22 /// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
  23 /// for a MachineFunction to the given output stream, using the given target
  24 /// machine description.
  25 ///
  26 FunctionPass *llvm::createX86CodePrinterPass(raw_ostream &o,
  27                                              X86TargetMachine &tm,
  28                                              CodeGenOpt::Level OptLevel,
  29                                              bool verbose) {
  30   const X86Subtarget *Subtarget = &tm.getSubtarget<X86Subtarget>();
  31
  32   if (Subtarget->isFlavorIntel())
  33     return new X86IntelAsmPrinter(o, tm, tm.getTargetAsmInfo(),
  34                                   OptLevel, verbose);
  35   return new X86ATTAsmPrinter(o, tm, tm.getTargetAsmInfo(),
  36                               OptLevel, verbose);
  37 }
  38
  39 namespace {
  40   static struct Register {
  41     Register() {
  42       X86TargetMachine::registerAsmPrinter(createX86CodePrinterPass);
  43     }
  44   } Registrator;
  45 }
  46
  47 extern "C" int X86AsmPrinterForceLink;
  48 int X86AsmPrinterForceLink = 0;
  49
  50 // Force static initialization.
  51 extern "C" void LLVMInitializeX86AsmPrinter() { }