| //===-- 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<MSP430TargetMachine> 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 TargetData string. |
| DataLayout("e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"), |
| InstrInfo(*this), TLInfo(*this), TSInfo(*this), |
| FrameLowering(Subtarget) { } |
| |
| 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<MSP430TargetMachine>(); |
| } |
| |
| virtual bool addInstSelector(); |
| virtual bool addPreEmitPass(); |
| }; |
| } // namespace |
| |
| TargetPassConfig *MSP430TargetMachine::createPassConfig(PassManagerBase &PM) { |
| return new MSP430PassConfig(this, PM); |
| } |
| |
| bool MSP430PassConfig::addInstSelector() { |
| // Install an instruction selector. |
| PM->add(createMSP430ISelDag(getMSP430TargetMachine(), getOptLevel())); |
| return false; |
| } |
| |
| bool MSP430PassConfig::addPreEmitPass() { |
| // Must run branch selection immediately preceding the asm printer. |
| PM->add(createMSP430BranchSelectionPass()); |
| return false; |
| } |