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 "SparcMCAsmInfo.h"
  14 #include "SparcTargetMachine.h"
  15 #include "Sparc.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<SparcTargetMachine> X(TheSparcTarget);
  23   RegisterAsmInfo<SparcELFMCAsmInfo> Y(TheSparcTarget);
  24
  25 }
  26
  27 /// SparcTargetMachine ctor - Create an ILP32 architecture model
  28 ///
  29 SparcTargetMachine::SparcTargetMachine(const Target &T, const std::string &TT,
  30                                        const std::string &FS)
  31   : LLVMTargetMachine(T, TT),
  32     DataLayout("E-p:32:32-f128:128:128"),
  33     Subtarget(TT, FS), TLInfo(*this), InstrInfo(Subtarget),
  34     FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
  35 }
  36
  37 bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
  38                                          CodeGenOpt::Level OptLevel) {
  39   PM.add(createSparcISelDag(*this));
  40   return false;
  41 }
  42
  43 /// addPreEmitPass - This pass may be implemented by targets that want to run
  44 /// passes immediately before machine code is emitted.  This should return
  45 /// true if -print-machineinstrs should print out the code after the passes.
  46 bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
  47                                         CodeGenOpt::Level OptLevel){
  48   PM.add(createSparcFPMoverPass(*this));
  49   PM.add(createSparcDelaySlotFillerPass(*this));
  50   return true;
  51 }