SparcTargetMachine.cpp revision 276365dd4bc0c2160f91fd8062ae1fc90c86c324 
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"
18using namespace llvm;
19
20extern "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///
32SparcTargetMachine::SparcTargetMachine(const Target &T, const std::string &TT,
33                                       const std::string &CPU,
34                                       const std::string &FS, bool is64bit)
35  : LLVMTargetMachine(T, TT),
36    Subtarget(TT, CPU, FS, is64bit),
37    DataLayout(Subtarget.getDataLayout()),
38    TLInfo(*this), TSInfo(*this), InstrInfo(Subtarget),
39    FrameLowering(Subtarget) {
40}
41
42bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
43                                         CodeGenOpt::Level OptLevel) {
44  PM.add(createSparcISelDag(*this));
45  return false;
46}
47
48/// addPreEmitPass - This pass may be implemented by targets that want to run
49/// passes immediately before machine code is emitted.  This should return
50/// true if -print-machineinstrs should print out the code after the passes.
51bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
52                                        CodeGenOpt::Level OptLevel){
53  PM.add(createSparcFPMoverPass(*this));
54  PM.add(createSparcDelaySlotFillerPass(*this));
55  return true;
56}
57
58SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
59                                           const std::string &TT,
60                                           const std::string &CPU,
61                                           const std::string &FS)
62  : SparcTargetMachine(T, TT, CPU, FS, false) {
63}
64
65SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
66                                           const std::string &TT,
67                                           const std::string &CPU,
68                                           const std::string &FS)
69  : SparcTargetMachine(T, TT, CPU, FS, true) {
70}
71