SparcTargetMachine.cpp revision 4a971705bc6030dc2e4338b3cd5cffa2e0f88b7b
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 "SparcTargetMachine.h" 14#include "Sparc.h" 15#include "llvm/CodeGen/Passes.h" 16#include "llvm/PassManager.h" 17#include "llvm/Support/TargetRegistry.h" 18using namespace llvm; 19 20extern "C" void LLVMInitializeSparcTarget() { 21 // Register the target. 22 RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget); 23 RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target); 24} 25 26/// SparcTargetMachine ctor - Create an ILP32 architecture model 27/// 28SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT, 29 StringRef CPU, StringRef FS, 30 const TargetOptions &Options, 31 Reloc::Model RM, CodeModel::Model CM, 32 CodeGenOpt::Level OL, 33 bool is64bit) 34 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), 35 Subtarget(TT, CPU, FS, is64bit), 36 DL(Subtarget.getDataLayout()), 37 InstrInfo(Subtarget), 38 TLInfo(*this), TSInfo(*this), 39 FrameLowering(Subtarget) { 40 initAsmInfo(); 41} 42 43namespace { 44/// Sparc Code Generator Pass Configuration Options. 45class SparcPassConfig : public TargetPassConfig { 46public: 47 SparcPassConfig(SparcTargetMachine *TM, PassManagerBase &PM) 48 : TargetPassConfig(TM, PM) {} 49 50 SparcTargetMachine &getSparcTargetMachine() const { 51 return getTM<SparcTargetMachine>(); 52 } 53 54 virtual bool addInstSelector(); 55 virtual bool addPreEmitPass(); 56}; 57} // namespace 58 59TargetPassConfig *SparcTargetMachine::createPassConfig(PassManagerBase &PM) { 60 return new SparcPassConfig(this, PM); 61} 62 63bool SparcPassConfig::addInstSelector() { 64 addPass(createSparcISelDag(getSparcTargetMachine())); 65 return false; 66} 67 68/// addPreEmitPass - This pass may be implemented by targets that want to run 69/// passes immediately before machine code is emitted. This should return 70/// true if -print-machineinstrs should print out the code after the passes. 71bool SparcPassConfig::addPreEmitPass(){ 72 addPass(createSparcFPMoverPass(getSparcTargetMachine())); 73 addPass(createSparcDelaySlotFillerPass(getSparcTargetMachine())); 74 return true; 75} 76 77void SparcV8TargetMachine::anchor() { } 78 79SparcV8TargetMachine::SparcV8TargetMachine(const Target &T, 80 StringRef TT, StringRef CPU, 81 StringRef FS, 82 const TargetOptions &Options, 83 Reloc::Model RM, 84 CodeModel::Model CM, 85 CodeGenOpt::Level OL) 86 : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) { 87} 88 89void SparcV9TargetMachine::anchor() { } 90 91SparcV9TargetMachine::SparcV9TargetMachine(const Target &T, 92 StringRef TT, StringRef CPU, 93 StringRef FS, 94 const TargetOptions &Options, 95 Reloc::Model RM, 96 CodeModel::Model CM, 97 CodeGenOpt::Level OL) 98 : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) { 99} 100