aboutsummaryrefslogtreecommitdiff
path: root/lib/Target/Sparc/SparcTargetMachine.cpp
blob: 6f313562c101d51ad3ad6259e8495b7c3a6a90b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
//===-- 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 "SparcTargetMachine.h"
#include "Sparc.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Support/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,
                                       const TargetOptions &Options,
                                       Reloc::Model RM, CodeModel::Model CM,
                                       CodeGenOpt::Level OL,
                                       bool is64bit)
  : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
    Subtarget(TT, CPU, FS, is64bit),
    DataLayout(Subtarget.getDataLayout()),
    TLInfo(*this), TSInfo(*this), InstrInfo(Subtarget),
    FrameLowering(Subtarget) {
}

namespace {
/// Sparc Code Generator Pass Configuration Options.
class SparcPassConfig : public TargetPassConfig {
public:
  SparcPassConfig(SparcTargetMachine *TM, PassManagerBase &PM)
    : TargetPassConfig(TM, PM) {}

  SparcTargetMachine &getSparcTargetMachine() const {
    return getTM<SparcTargetMachine>();
  }

  virtual bool addInstSelector();
  virtual bool addPreEmitPass();
};
} // namespace

TargetPassConfig *SparcTargetMachine::createPassConfig(PassManagerBase &PM) {
  return new SparcPassConfig(this, PM);
}

bool SparcPassConfig::addInstSelector() {
  PM.add(createSparcISelDag(getSparcTargetMachine()));
  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 SparcPassConfig::addPreEmitPass(){
  PM.add(createSparcFPMoverPass(getSparcTargetMachine()));
  PM.add(createSparcDelaySlotFillerPass(getSparcTargetMachine()));
  return true;
}

void SparcV8TargetMachine::anchor() { }

SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
                                           StringRef TT, StringRef CPU,
                                           StringRef FS,
                                           const TargetOptions &Options,
                                           Reloc::Model RM,
                                           CodeModel::Model CM,
                                           CodeGenOpt::Level OL)
  : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
}

void SparcV9TargetMachine::anchor() { }

SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
                                           StringRef TT,  StringRef CPU,
                                           StringRef FS,
                                           const TargetOptions &Options,
                                           Reloc::Model RM,
                                           CodeModel::Model CM,
                                           CodeGenOpt::Level OL)
  : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
}