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