MSP430TargetMachine.cpp revision 193323
1139749Simp//===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===// 265832Snyan// 365832Snyan// The LLVM Compiler Infrastructure 465832Snyan// 565832Snyan// This file is distributed under the University of Illinois Open Source 665832Snyan// License. See LICENSE.TXT for details. 765832Snyan// 865832Snyan//===----------------------------------------------------------------------===// 965832Snyan// 1065832Snyan// Top-level implementation for the MSP430 target. 1165832Snyan// 1265832Snyan//===----------------------------------------------------------------------===// 1365832Snyan 1465832Snyan#include "MSP430.h" 1565832Snyan#include "MSP430TargetAsmInfo.h" 1665832Snyan#include "MSP430TargetMachine.h" 1765832Snyan#include "llvm/Module.h" 1865832Snyan#include "llvm/PassManager.h" 1965832Snyan#include "llvm/CodeGen/Passes.h" 2065832Snyan#include "llvm/Target/TargetAsmInfo.h" 2165832Snyan#include "llvm/Target/TargetMachineRegistry.h" 2265832Snyan 2365832Snyanusing namespace llvm; 24119418Sobrien 25119418Sobrien/// MSP430TargetMachineModule - Note that this is used on hosts that 26119418Sobrien/// cannot link in a library unless there are references into the 2765832Snyan/// library. In particular, it seems that it is not possible to get 2865832Snyan/// things to work on Win32 without this. Though it is unused, do not 2965832Snyan/// remove it. 3065832Snyanextern "C" int MSP430TargetMachineModule; 3165832Snyanint MSP430TargetMachineModule = 0; 3265832Snyan 3365832Snyan 3465832Snyan// Register the targets 3565832Snyanstatic RegisterTarget<MSP430TargetMachine> 3665832SnyanX("msp430", "MSP430 [experimental]"); 3765832Snyan 3865832SnyanMSP430TargetMachine::MSP430TargetMachine(const Module &M, 3965832Snyan const std::string &FS) : 4065832Snyan Subtarget(*this, M, FS), 4165832Snyan // FIXME: Check TargetData string. 4265832Snyan DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"), 4365832Snyan InstrInfo(*this), TLInfo(*this), 4465832Snyan FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2) { } 45142135Simp 4665832Snyanconst TargetAsmInfo *MSP430TargetMachine::createTargetAsmInfo() const { 4765832Snyan return new MSP430TargetAsmInfo(*this); 4865832Snyan} 4967442Snyan 5067442Snyanbool MSP430TargetMachine::addInstSelector(PassManagerBase &PM, 5165832Snyan CodeGenOpt::Level OptLevel) { 5265832Snyan // Install an instruction selector. 5365832Snyan PM.add(createMSP430ISelDag(*this, OptLevel)); 5465832Snyan return false; 5565832Snyan} 5665832Snyan 5790183Snyanbool MSP430TargetMachine::addAssemblyEmitter(PassManagerBase &PM, 5890183Snyan CodeGenOpt::Level OptLevel, 5990183Snyan bool Verbose, 6090183Snyan raw_ostream &Out) { 6190183Snyan // Output assembly language. 6265832Snyan PM.add(createMSP430CodePrinterPass(Out, *this, OptLevel, Verbose)); 6365832Snyan return false; 6465832Snyan} 6565832Snyan 6665832Snyanunsigned MSP430TargetMachine::getModuleMatchQuality(const Module &M) { 6765832Snyan std::string TT = M.getTargetTriple(); 6865832Snyan 6965832Snyan // We strongly match msp430 7065832Snyan if (TT.size() >= 6 && TT[0] == 'm' && TT[1] == 's' && TT[2] == 'p' && 7165832Snyan TT[3] == '4' && TT[4] == '3' && TT[5] == '0') 7265832Snyan return 20; 7365832Snyan 7465832Snyan return 0; 7565832Snyan} 7665832Snyan 7765832Snyan