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