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/CodeGen/Passes.h"
  20 #include "llvm/Target/TargetAsmInfo.h"
  21
  22 using namespace llvm;
  23
  24 // PIC16TargetMachine - Traditional PIC16 Machine.
  25 PIC16TargetMachine::PIC16TargetMachine(const Target &T, const Module &M,
  26                                        const std::string &FS, bool Cooper)
  27 : LLVMTargetMachine(T),
  28   Subtarget(M, FS, Cooper),
  29   DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
  30   InstrInfo(*this), TLInfo(*this),
  31   FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
  32
  33 // CooperTargetMachine - Uses the same PIC16TargetMachine, but makes IsCooper
  34 // as true.
  35 CooperTargetMachine::CooperTargetMachine(const Target &T, const Module &M,
  36                                          const std::string &FS)
  37   : PIC16TargetMachine(T, M, FS, true) {}
  38
  39
  40 const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const {
  41   return new PIC16TargetAsmInfo(*this);
  42 }
  43
  44 bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM,
  45                                          CodeGenOpt::Level OptLevel) {
  46   // Install an instruction selector.
  47   PM.add(createPIC16ISelDag(*this));
  48   return false;
  49 }
  50
  51 bool PIC16TargetMachine::addPostRegAlloc(PassManagerBase &PM,
  52                                          CodeGenOpt::Level OptLevel) {
  53   PM.add(createPIC16MemSelOptimizerPass());
  54   return true;  // -print-machineinstr should print after this.
  55 }
  56
  57