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 extern "C" void LLVMInitializePTXTarget() {
  23   RegisterTargetMachine<PTXTargetMachine> X(ThePTXTarget);
  24   RegisterAsmInfo<PTXMCAsmInfo> Y(ThePTXTarget);
  25 }
  26
  27 // DataLayout and FrameInfo are filled with dummy data
  28 PTXTargetMachine::PTXTargetMachine(const Target &T,
  29                                    const std::string &TT,
  30                                    const std::string &FS)
  31   : LLVMTargetMachine(T, TT),
  32     DataLayout("e-p:32:32-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64"),
  33     FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2),
  34     InstrInfo(*this),
  35     TLInfo(*this),
  36     Subtarget(TT, FS) {
  37 }
  38
  39 bool PTXTargetMachine::addInstSelector(PassManagerBase &PM,
  40                                        CodeGenOpt::Level OptLevel) {
  41   PM.add(createPTXISelDag(*this, OptLevel));
  42   return false;
  43 }