summaryrefslogtreecommitdiff
path: root/lib/Target/Blackfin/BlackfinTargetMachine.cpp
blob: 059916b2007f92eeee4622f81930f4bf4e56f45c (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
//===-- BlackfinTargetMachine.cpp - Define TargetMachine for Blackfin -----===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//

#include "BlackfinTargetMachine.h"
#include "Blackfin.h"
#include "BlackfinTargetAsmInfo.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetRegistry.h"

using namespace llvm;

extern "C" void LLVMInitializeBlackfinTarget() {
  RegisterTargetMachine<BlackfinTargetMachine> X(TheBlackfinTarget);
}

const TargetAsmInfo* BlackfinTargetMachine::createTargetAsmInfo() const {
  return new BlackfinTargetAsmInfo();
}

BlackfinTargetMachine::BlackfinTargetMachine(const Target &T,
                                             const Module &M,
                                             const std::string &FS)
  : LLVMTargetMachine(T),
    DataLayout("e-p:32:32-i64:32-f64:32"),
    Subtarget(*this, M, FS),
    TLInfo(*this),
    InstrInfo(Subtarget),
    FrameInfo(TargetFrameInfo::StackGrowsDown, 4, 0) {
}

unsigned BlackfinTargetMachine::getModuleMatchQuality(const Module &M) {
  std::string TT = M.getTargetTriple();
  if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "bfin-")
    return 20;

  // Otherwise we don't match.
  return 0;
}

bool BlackfinTargetMachine::addInstSelector(PassManagerBase &PM,
                                            CodeGenOpt::Level OptLevel) {
  PM.add(createBlackfinISelDag(*this, OptLevel));
  return false;
}