MSP430TargetMachine.cpp revision 225736
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 "MSP430TargetMachine.h" 16#include "llvm/PassManager.h" 17#include "llvm/CodeGen/Passes.h" 18#include "llvm/MC/MCAsmInfo.h" 19#include "llvm/Target/TargetRegistry.h" 20using namespace llvm; 21 22extern "C" void LLVMInitializeMSP430Target() { 23 // Register the target. 24 RegisterTargetMachine<MSP430TargetMachine> X(TheMSP430Target); 25} 26 27MSP430TargetMachine::MSP430TargetMachine(const Target &T, 28 const std::string &TT, 29 const std::string &CPU, 30 const std::string &FS) 31 : LLVMTargetMachine(T, TT, CPU, FS), 32 Subtarget(TT, CPU, FS), 33 // FIXME: Check TargetData string. 34 DataLayout("e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"), 35 InstrInfo(*this), TLInfo(*this), TSInfo(*this), 36 FrameLowering(Subtarget) { } 37 38 39bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM, 40 CodeGenOpt::Level OptLevel) { 41 // Install an instruction selector. 42 PM.add(createMSP430ISelDag(*this, OptLevel)); 43 return false; 44} 45 46bool MSP430TargetMachine::addPreEmitPass(PassManagerBase &PM, 47 CodeGenOpt::Level OptLevel) { 48 // Must run branch selection immediately preceding the asm printer. 49 PM.add(createMSP430BranchSelectionPass()); 50 return false; 51} 52