lib/Target/PIC16/PIC16TargetMachine.cpp

   1 //===-- PIC16TargetMachine.cpp - Define TargetMachine for PIC16 -----------===//
   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 PIC16 target.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "PIC16.h"
  15 #include "PIC16TargetAsmInfo.h"
  16 #include "PIC16TargetMachine.h"
  17 #include "llvm/Module.h"
  18 #include "llvm/PassManager.h"
  19 #include "llvm/Target/TargetAsmInfo.h"
  20 #include "llvm/Target/TargetMachineRegistry.h"
  21
  22 using namespace llvm;
  23
  24 namespace {
  25   // Register the targets
  26   RegisterTarget<PIC16TargetMachine> X("pic16", "PIC16 14-bit [experimental]");
  27 }
  28
  29 PIC16TargetMachine::
  30 PIC16TargetMachine(const Module &M, const std::string &FS) :
  31   Subtarget(*this, M, FS), DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
  32   InstrInfo(*this), TLInfo(*this),
  33   FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
  34
  35
  36 const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const
  37 {
  38   return new PIC16TargetAsmInfo(*this);
  39 }
  40
  41 //===----------------------------------------------------------------------===//
  42 // Pass Pipeline Configuration
  43 //===----------------------------------------------------------------------===//
  44
  45 bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM, bool Fast)
  46 {
  47   // Install an instruction selector.
  48   PM.add(createPIC16ISelDag(*this));
  49   return false;
  50 }
  51
  52 bool PIC16TargetMachine::
  53 addPrologEpilogInserter(PassManagerBase &PM, bool Fast)
  54 {
  55   return false;
  56 }
  57
  58 bool PIC16TargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast)
  59 {
  60   return true;
  61 }
  62
  63 bool PIC16TargetMachine::
  64 addAssemblyEmitter(PassManagerBase &PM, bool Fast, raw_ostream &Out)
  65 {
  66   // Output assembly language.
  67   PM.add(createPIC16CodePrinterPass(Out, *this));
  68   return false;
  69 }
  70