MSP430TargetMachine.cpp revision 64cc97212346992892b6c92158c08cd93149a882 
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
23using namespace llvm;
24
25// Register the targets
26extern Target TheMSP430Target;
27static RegisterTarget<MSP430TargetMachine>
28X(TheMSP430Target, "msp430", "MSP430 [experimental]");
29
30// Force static initialization.
31extern "C" void LLVMInitializeMSP430Target() {
32  TargetRegistry::RegisterAsmPrinter(TheMSP430Target,
33                                     &createMSP430CodePrinterPass);
34}
35
36MSP430TargetMachine::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
46const TargetAsmInfo *MSP430TargetMachine::createTargetAsmInfo() const {
47  return new MSP430TargetAsmInfo(*this);
48}
49
50bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM,
51                                          CodeGenOpt::Level OptLevel) {
52  // Install an instruction selector.
53  PM.add(createMSP430ISelDag(*this, OptLevel));
54  return false;
55}
56
57