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 isVerboseAsm, bool useLoc,
  25                                    MCInstPrinter *InstPrint,
  26                                    MCCodeEmitter *CE,
  27                                    TargetAsmBackend *TAB,
  28                                    bool ShowInst);
  29 }
  30
  31 extern "C" void LLVMInitializePTXTarget() {
  32   RegisterTargetMachine<PTXTargetMachine> X(ThePTXTarget);
  33   RegisterAsmInfo<PTXMCAsmInfo> Y(ThePTXTarget);
  34   TargetRegistry::RegisterAsmStreamer(ThePTXTarget, createPTXAsmStreamer);
  35 }
  36
  37 // DataLayout and FrameInfo are filled with dummy data
  38 PTXTargetMachine::PTXTargetMachine(const Target &T,
  39                                    const std::string &TT,
  40                                    const std::string &FS)
  41   : LLVMTargetMachine(T, TT),
  42     DataLayout("e-p:32:32-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64"),
  43     FrameInfo(Subtarget),
  44     InstrInfo(*this),
  45     TLInfo(*this),
  46     Subtarget(TT, FS) {
  47 }
  48
  49 bool PTXTargetMachine::addInstSelector(PassManagerBase &PM,
  50                                        CodeGenOpt::Level OptLevel) {
  51   PM.add(createPTXISelDag(*this, OptLevel));
  52   PM.add(createPTXMFInfoExtract(*this, OptLevel));
  53   return false;
  54 }