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 extern Target ThePIC16Target;
  27 static RegisterTarget<PIC16TargetMachine>
  28 X(ThePIC16Target, "pic16", "PIC16 14-bit [experimental].");
  29
  30 extern Target TheCooperTarget;
  31 static RegisterTarget<CooperTargetMachine>
  32 Y(TheCooperTarget, "cooper", "PIC16 Cooper [experimental].");
  33
  34 // Force static initialization.
  35 extern "C" void LLVMInitializePIC16Target() {
  36   TargetRegistry::RegisterAsmPrinter(ThePIC16Target,
  37                                      &createPIC16CodePrinterPass);
  38   TargetRegistry::RegisterAsmPrinter(TheCooperTarget,
  39                                      &createPIC16CodePrinterPass);
  40 }
  41
  42 // PIC16TargetMachine - Traditional PIC16 Machine.
  43 PIC16TargetMachine::PIC16TargetMachine(const Target &T, const Module &M,
  44                                        const std::string &FS, bool Cooper)
  45 : LLVMTargetMachine(T),
  46   Subtarget(M, FS, Cooper),
  47   DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
  48   InstrInfo(*this), TLInfo(*this),
  49   FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
  50
  51 // CooperTargetMachine - Uses the same PIC16TargetMachine, but makes IsCooper
  52 // as true.
  53 CooperTargetMachine::CooperTargetMachine(const Target &T, const Module &M,
  54                                          const std::string &FS)
  55   : PIC16TargetMachine(T, M, FS, true) {}
  56
  57
  58 const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const {
  59   return new PIC16TargetAsmInfo(*this);
  60 }
  61
  62 bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM,
  63                                          CodeGenOpt::Level OptLevel) {
  64   // Install an instruction selector.
  65   PM.add(createPIC16ISelDag(*this));
  66   return false;
  67 }
  68
  69 bool PIC16TargetMachine::addPostRegAlloc(PassManagerBase &PM,
  70                                          CodeGenOpt::Level OptLevel) {
  71   PM.add(createPIC16MemSelOptimizerPass());
  72   return true;  // -print-machineinstr should print after this.
  73 }
  74
  75