lib/Target/MSP430/MSP430TargetMachine.cpp

   1 //===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
   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 MSP430 target.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "MSP430.h"
  15 #include "MSP430TargetAsmInfo.h"
  16 #include "MSP430TargetMachine.h"
  17 #include "llvm/Module.h"
  18 #include "llvm/PassManager.h"
  19 #include "llvm/CodeGen/Passes.h"
  20 #include "llvm/Target/TargetAsmInfo.h"
  21 #include "llvm/Target/TargetMachineRegistry.h"
  22
  23 using namespace llvm;
  24
  25 // Register the targets
  26 extern Target TheMSP430Target;
  27 static RegisterTarget<MSP430TargetMachine>
  28 X(TheMSP430Target, "msp430", "MSP430 [experimental]");
  29
  30 // Force static initialization.
  31 extern "C" void LLVMInitializeMSP430Target() {
  32   TargetRegistry::RegisterAsmPrinter(TheMSP430Target,
  33                                      &createMSP430CodePrinterPass);
  34 }
  35
  36 MSP430TargetMachine::MSP430TargetMachine(const Target &T,
  37                                          const Module &M,
  38                                          const std::string &FS) :
  39   LLVMTargetMachine(T),
  40   Subtarget(*this, M, FS),
  41   // FIXME: Check TargetData string.
  42   DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
  43   InstrInfo(*this), TLInfo(*this),
  44   FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2) { }
  45
  46 const TargetAsmInfo *MSP430TargetMachine::createTargetAsmInfo() const {
  47   return new MSP430TargetAsmInfo(*this);
  48 }
  49
  50 bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM,
  51                                           CodeGenOpt::Level OptLevel) {
  52   // Install an instruction selector.
  53   PM.add(createMSP430ISelDag(*this, OptLevel));
  54   return false;
  55 }
  56