llvm-6502/lib/Target/MSP430/MSP430TargetMachine.cpp
2010-01-15 21:19:05 +00:00

53 lines
1.8 KiB
C++

//===-- 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 "MSP430MCAsmInfo.h"
#include "MSP430TargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
extern "C" void LLVMInitializeMSP430Target() {
// Register the target.
RegisterTargetMachine<MSP430TargetMachine> X(TheMSP430Target);
RegisterAsmInfo<MSP430MCAsmInfo> Z(TheMSP430Target);
}
MSP430TargetMachine::MSP430TargetMachine(const Target &T,
const std::string &TT,
const std::string &FS) :
LLVMTargetMachine(T, TT),
Subtarget(TT, FS),
// FIXME: Check TargetData string.
DataLayout("e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"),
InstrInfo(*this), TLInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2) { }
bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
// Install an instruction selector.
PM.add(createMSP430ISelDag(*this, OptLevel));
return false;
}
bool MSP430TargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
// Must run branch selection immediately preceding the asm printer.
PM.add(createMSP430BranchSelectionPass());
return false;
}