llvm-6502/lib/Target/Sparc/SparcTargetMachine.cpp
Evan Cheng 34ad6db8b9 - Move CodeModel from a TargetMachine global option to MCCodeGenInfo.
- Introduce JITDefault code model. This tells targets to set different default
  code model for JIT. This eliminates the ugly hack in TargetMachine where
  code model is changed after construction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135580 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20 07:51:56 +00:00

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2.6 KiB
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//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "Sparc.h"
#include "SparcTargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
extern "C" void LLVMInitializeSparcTarget() {
// Register the target.
RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
}
/// SparcTargetMachine ctor - Create an ILP32 architecture model
///
SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS,
Reloc::Model RM, CodeModel::Model CM,
bool is64bit)
: LLVMTargetMachine(T, TT, CPU, FS, RM, CM),
Subtarget(TT, CPU, FS, is64bit),
DataLayout(Subtarget.getDataLayout()),
TLInfo(*this), TSInfo(*this), InstrInfo(Subtarget),
FrameLowering(Subtarget) {
}
bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
PM.add(createSparcISelDag(*this));
return false;
}
/// addPreEmitPass - This pass may be implemented by targets that want to run
/// passes immediately before machine code is emitted. This should return
/// true if -print-machineinstrs should print out the code after the passes.
bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel){
PM.add(createSparcFPMoverPass(*this));
PM.add(createSparcDelaySlotFillerPass(*this));
return true;
}
SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
StringRef TT, StringRef CPU,
StringRef FS, Reloc::Model RM,
CodeModel::Model CM)
: SparcTargetMachine(T, TT, CPU, FS, RM, CM, false) {
}
SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
StringRef TT, StringRef CPU,
StringRef FS, Reloc::Model RM,
CodeModel::Model CM)
: SparcTargetMachine(T, TT, CPU, FS, RM, CM, true) {
}