lib/Target/Sparc/SparcTargetMachine.cpp

   1 //===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
   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 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "Sparc.h"
  14 #include "SparcMCAsmInfo.h"
  15 #include "SparcTargetMachine.h"
  16 #include "llvm/PassManager.h"
  17 #include "llvm/Target/TargetRegistry.h"
  18 using namespace llvm;
  19
  20 extern "C" void LLVMInitializeSparcTarget() {
  21   // Register the target.
  22   RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
  23   RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
  24
  25   RegisterAsmInfo<SparcELFMCAsmInfo> A(TheSparcTarget);
  26   RegisterAsmInfo<SparcELFMCAsmInfo> B(TheSparcV9Target);
  27
  28 }
  29
  30 /// SparcTargetMachine ctor - Create an ILP32 architecture model
  31 ///
  32 SparcTargetMachine::SparcTargetMachine(const Target &T, const std::string &TT,
  33                                        const std::string &FS, bool is64bit)
  34   : LLVMTargetMachine(T, TT),
  35     Subtarget(TT, FS, is64bit),
  36     DataLayout(Subtarget.getDataLayout()),
  37     TLInfo(*this), TSInfo(*this), InstrInfo(Subtarget),
  38     FrameLowering(Subtarget) {
  39 }
  40
  41 bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
  42                                          CodeGenOpt::Level OptLevel) {
  43   PM.add(createSparcISelDag(*this));
  44   return false;
  45 }
  46
  47 /// addPreEmitPass - This pass may be implemented by targets that want to run
  48 /// passes immediately before machine code is emitted.  This should return
  49 /// true if -print-machineinstrs should print out the code after the passes.
  50 bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
  51                                         CodeGenOpt::Level OptLevel){
  52   PM.add(createSparcFPMoverPass(*this));
  53   PM.add(createSparcDelaySlotFillerPass(*this));
  54   return true;
  55 }
  56
  57 SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
  58                                            const std::string &TT,
  59                                            const std::string &FS)
  60   : SparcTargetMachine(T, TT, FS, false) {
  61 }
  62
  63 SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
  64                                            const std::string &TT,
  65                                            const std::string &FS)
  66   : SparcTargetMachine(T, TT, FS, true) {
  67 }