lib/Target/PTX/PTXTargetMachine.cpp

   1 //===-- PTXTargetMachine.cpp - Define TargetMachine for PTX ---------------===//
   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 // Top-level implementation for the PTX target.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "PTX.h"
  15 #include "PTXMCAsmInfo.h"
  16 #include "PTXTargetMachine.h"
  17 #include "llvm/PassManager.h"
  18 #include "llvm/Target/TargetRegistry.h"
  19
  20 using namespace llvm;
  21
  22 namespace llvm {
  23   MCStreamer *createPTXAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
  24                                    bool isLittleEndian, bool isVerboseAsm,
  25                                    MCInstPrinter *InstPrint,
  26                                    MCCodeEmitter *CE,
  27                                    bool ShowInst);
  28 }
  29
  30 extern "C" void LLVMInitializePTXTarget() {
  31   RegisterTargetMachine<PTXTargetMachine> X(ThePTXTarget);
  32   RegisterAsmInfo<PTXMCAsmInfo> Y(ThePTXTarget);
  33   TargetRegistry::RegisterAsmStreamer(ThePTXTarget, createPTXAsmStreamer);
  34 }
  35
  36 // DataLayout and FrameInfo are filled with dummy data
  37 PTXTargetMachine::PTXTargetMachine(const Target &T,
  38                                    const std::string &TT,
  39                                    const std::string &FS)
  40   : LLVMTargetMachine(T, TT),
  41     DataLayout("e-p:32:32-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64"),
  42     FrameInfo(Subtarget),
  43     InstrInfo(*this),
  44     TLInfo(*this),
  45     Subtarget(TT, FS) {
  46 }
  47
  48 bool PTXTargetMachine::addInstSelector(PassManagerBase &PM,
  49                                        CodeGenOpt::Level OptLevel) {
  50   PM.add(createPTXISelDag(*this, OptLevel));
  51   PM.add(createPTXMFInfoExtract(*this, OptLevel));
  52   return false;
  53 }