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 #include "llvm/Target/TargetMachineRegistry.h"
  22
  23 using namespace llvm;
  24
  25 // Register the targets
  26 static RegisterTarget<PIC16TargetMachine>
  27 X(ThePIC16Target, "pic16", "PIC16 14-bit [experimental].");
  28
  29 static RegisterTarget<CooperTargetMachine>
  30 Y(TheCooperTarget, "cooper", "PIC16 Cooper [experimental].");
  31
  32 // Force static initialization.
  33 extern "C" void LLVMInitializePIC16Target() {
  34   TargetRegistry::RegisterAsmPrinter(ThePIC16Target,
  35                                      &createPIC16CodePrinterPass);
  36   TargetRegistry::RegisterAsmPrinter(TheCooperTarget,
  37                                      &createPIC16CodePrinterPass);
  38 }
  39
  40 // PIC16TargetMachine - Traditional PIC16 Machine.
  41 PIC16TargetMachine::PIC16TargetMachine(const Target &T, const Module &M,
  42                                        const std::string &FS, bool Cooper)
  43 : LLVMTargetMachine(T),
  44   Subtarget(M, FS, Cooper),
  45   DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
  46   InstrInfo(*this), TLInfo(*this),
  47   FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
  48
  49 // CooperTargetMachine - Uses the same PIC16TargetMachine, but makes IsCooper
  50 // as true.
  51 CooperTargetMachine::CooperTargetMachine(const Target &T, const Module &M,
  52                                          const std::string &FS)
  53   : PIC16TargetMachine(T, M, FS, true) {}
  54
  55
  56 const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const {
  57   return new PIC16TargetAsmInfo(*this);
  58 }
  59
  60 bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM,
  61                                          CodeGenOpt::Level OptLevel) {
  62   // Install an instruction selector.
  63   PM.add(createPIC16ISelDag(*this));
  64   return false;
  65 }
  66
  67 bool PIC16TargetMachine::addPostRegAlloc(PassManagerBase &PM,
  68                                          CodeGenOpt::Level OptLevel) {
  69   PM.add(createPIC16MemSelOptimizerPass());
  70   return true;  // -print-machineinstr should print after this.
  71 }
  72
  73