//===-- 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 "MSP430TargetMachine.h" #include "MSP430.h" #include "llvm/PassManager.h" #include "llvm/CodeGen/Passes.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/Support/TargetRegistry.h" using namespace llvm; extern "C" void LLVMInitializeMSP430Target() { // Register the target. RegisterTargetMachine X(TheMSP430Target); } MSP430TargetMachine::MSP430TargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL) : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), Subtarget(TT, CPU, FS), // FIXME: Check DataLayout string. DL("e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"), InstrInfo(*this), TLInfo(*this), TSInfo(*this), FrameLowering(Subtarget), STTI(&TLInfo) { } namespace { /// MSP430 Code Generator Pass Configuration Options. class MSP430PassConfig : public TargetPassConfig { public: MSP430PassConfig(MSP430TargetMachine *TM, PassManagerBase &PM) : TargetPassConfig(TM, PM) {} MSP430TargetMachine &getMSP430TargetMachine() const { return getTM(); } virtual bool addInstSelector(); virtual bool addPreEmitPass(); }; } // namespace TargetPassConfig *MSP430TargetMachine::createPassConfig(PassManagerBase &PM) { return new MSP430PassConfig(this, PM); } bool MSP430PassConfig::addInstSelector() { // Install an instruction selector. addPass(createMSP430ISelDag(getMSP430TargetMachine(), getOptLevel())); return false; } bool MSP430PassConfig::addPreEmitPass() { // Must run branch selection immediately preceding the asm printer. addPass(createMSP430BranchSelectionPass()); return false; }