1 //===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Top-level implementation for the MSP430 target.
12 //===----------------------------------------------------------------------===//
14 #include "MSP430TargetMachine.h"
16 #include "llvm/CodeGen/Passes.h"
17 #include "llvm/MC/MCAsmInfo.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/Support/TargetRegistry.h"
22 extern "C" void LLVMInitializeMSP430Target() {
23 // Register the target.
24 RegisterTargetMachine<MSP430TargetMachine> X(TheMSP430Target);
27 MSP430TargetMachine::MSP430TargetMachine(const Target &T, StringRef TT,
28 StringRef CPU, StringRef FS,
29 const TargetOptions &Options,
30 Reloc::Model RM, CodeModel::Model CM,
32 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
33 Subtarget(TT, CPU, FS, *this) {
38 /// MSP430 Code Generator Pass Configuration Options.
39 class MSP430PassConfig : public TargetPassConfig {
41 MSP430PassConfig(MSP430TargetMachine *TM, PassManagerBase &PM)
42 : TargetPassConfig(TM, PM) {}
44 MSP430TargetMachine &getMSP430TargetMachine() const {
45 return getTM<MSP430TargetMachine>();
48 bool addInstSelector() override;
49 bool addPreEmitPass() override;
53 TargetPassConfig *MSP430TargetMachine::createPassConfig(PassManagerBase &PM) {
54 return new MSP430PassConfig(this, PM);
57 bool MSP430PassConfig::addInstSelector() {
58 // Install an instruction selector.
59 addPass(createMSP430ISelDag(getMSP430TargetMachine(), getOptLevel()));
63 bool MSP430PassConfig::addPreEmitPass() {
64 // Must run branch selection immediately preceding the asm printer.
65 addPass(createMSP430BranchSelectionPass());