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