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 "MSP430MCAsmInfo.h" 16 #include "MSP430TargetMachine.h" 17 #include "llvm/PassManager.h" 18 #include "llvm/CodeGen/Passes.h" 19 #include "llvm/MC/MCAsmInfo.h" 20 #include "llvm/Target/TargetRegistry.h" 21 using namespace llvm; 22 23 extern "C" void LLVMInitializeMSP430Target() { 24 // Register the target. 25 RegisterTargetMachine<MSP430TargetMachine> X(TheMSP430Target); 26 RegisterAsmInfo<MSP430MCAsmInfo> Z(TheMSP430Target); 27 } 28 29 MSP430TargetMachine::MSP430TargetMachine(const Target &T, 30 const std::string &TT, 31 const std::string &CPU, 32 const std::string &FS) 33 : LLVMTargetMachine(T, TT, CPU, FS), 34 Subtarget(TT, CPU, FS), 35 // FIXME: Check TargetData string. 36 DataLayout("e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"), 37 InstrInfo(*this), TLInfo(*this), TSInfo(*this), 38 FrameLowering(Subtarget) { } 39 40 41 bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM, 42 CodeGenOpt::Level OptLevel) { 43 // Install an instruction selector. 44 PM.add(createMSP430ISelDag(*this, OptLevel)); 45 return false; 46 } 47 48 bool MSP430TargetMachine::addPreEmitPass(PassManagerBase &PM, 49 CodeGenOpt::Level OptLevel) { 50 // Must run branch selection immediately preceding the asm printer. 51 PM.add(createMSP430BranchSelectionPass()); 52 return false; 53 } 54