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//===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Top-level implementation for the MSP430 target.
//
//===----------------------------------------------------------------------===//
#include "MSP430.h"
#include "MSP430TargetAsmInfo.h"
#include "MSP430TargetMachine.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
/// MSP430TargetMachineModule - Note that this is used on hosts that
/// cannot link in a library unless there are references into the
/// library. In particular, it seems that it is not possible to get
/// things to work on Win32 without this. Though it is unused, do not
/// remove it.
extern "C" int MSP430TargetMachineModule;
int MSP430TargetMachineModule = 0;
// Register the targets
static RegisterTarget<MSP430TargetMachine>
X("msp430", "MSP430 [experimental]");
// Force static initialization.
extern "C" void LLVMInitializeMSP430Target() { }
MSP430TargetMachine::MSP430TargetMachine(const Module &M,
const std::string &FS) :
Subtarget(*this, M, FS),
// FIXME: Check TargetData string.
DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
InstrInfo(*this), TLInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2) { }
const TargetAsmInfo *MSP430TargetMachine::createTargetAsmInfo() const {
return new MSP430TargetAsmInfo(*this);
}
bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
// Install an instruction selector.
PM.add(createMSP430ISelDag(*this, OptLevel));
return false;
}
bool MSP430TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool Verbose,
raw_ostream &Out) {
// Output assembly language.
PM.add(createMSP430CodePrinterPass(Out, *this, Verbose));
return false;
}
unsigned MSP430TargetMachine::getModuleMatchQuality(const Module &M) {
std::string TT = M.getTargetTriple();
// We strongly match msp430
if (TT.size() >= 6 && TT[0] == 'm' && TT[1] == 's' && TT[2] == 'p' &&
TT[3] == '4' && TT[4] == '3' && TT[5] == '0')
return 20;
return 0;
}
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