aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/XCore/XCoreTargetTransformInfo.h
blob: 70b47dfa11565b8167aea548e51b83f685aa4148 (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
//===-- XCoreTargetTransformInfo.h - XCore specific TTI ---------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
/// This file a TargetTransformInfo::Concept conforming object specific to the
/// XCore target machine. It uses the target's detailed information to
/// provide more precise answers to certain TTI queries, while letting the
/// target independent and default TTI implementations handle the rest.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H
#define LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H

#include "XCore.h"
#include "XCoreTargetMachine.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/Target/TargetLowering.h"

namespace llvm {

class XCoreTTIImpl : public BasicTTIImplBase<XCoreTTIImpl> {
  typedef BasicTTIImplBase<XCoreTTIImpl> BaseT;
  typedef TargetTransformInfo TTI;
  friend BaseT;

  const XCoreSubtarget *ST;
  const XCoreTargetLowering *TLI;

  const XCoreSubtarget *getST() const { return ST; }
  const XCoreTargetLowering *getTLI() const { return TLI; }

public:
  explicit XCoreTTIImpl(const XCoreTargetMachine *TM)
      : BaseT(TM), ST(TM->getSubtargetImpl()), TLI(ST->getTargetLowering()) {}

  // Provide value semantics. MSVC requires that we spell all of these out.
  XCoreTTIImpl(const XCoreTTIImpl &Arg)
      : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
  XCoreTTIImpl(XCoreTTIImpl &&Arg)
      : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
        TLI(std::move(Arg.TLI)) {}
  XCoreTTIImpl &operator=(const XCoreTTIImpl &RHS) {
    BaseT::operator=(static_cast<const BaseT &>(RHS));
    ST = RHS.ST;
    TLI = RHS.TLI;
    return *this;
  }
  XCoreTTIImpl &operator=(XCoreTTIImpl &&RHS) {
    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
    ST = std::move(RHS.ST);
    TLI = std::move(RHS.TLI);
    return *this;
  }

  unsigned getNumberOfRegisters(bool Vector) {
    if (Vector) {
      return 0;
    }
    return 12;
  }
};

} // end namespace llvm

#endif