1//===-- SystemZTargetTransformInfo.h - SystemZ-specific TTI ---------------===//
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#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETTRANSFORMINFO_H
11#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETTRANSFORMINFO_H
12
13#include "SystemZTargetMachine.h"
14#include "llvm/Analysis/TargetTransformInfo.h"
15#include "llvm/CodeGen/BasicTTIImpl.h"
16
17namespace llvm {
18
19class SystemZTTIImpl : public BasicTTIImplBase<SystemZTTIImpl> {
20  typedef BasicTTIImplBase<SystemZTTIImpl> BaseT;
21  typedef TargetTransformInfo TTI;
22  friend BaseT;
23
24  const SystemZSubtarget *ST;
25  const SystemZTargetLowering *TLI;
26
27  const SystemZSubtarget *getST() const { return ST; }
28  const SystemZTargetLowering *getTLI() const { return TLI; }
29
30public:
31  explicit SystemZTTIImpl(const SystemZTargetMachine *TM, Function &F)
32    : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
33
34  // Provide value semantics. MSVC requires that we spell all of these out.
35  SystemZTTIImpl(const SystemZTTIImpl &Arg)
36      : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
37  SystemZTTIImpl(SystemZTTIImpl &&Arg)
38      : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
39        TLI(std::move(Arg.TLI)) {}
40  SystemZTTIImpl &operator=(const SystemZTTIImpl &RHS) {
41    BaseT::operator=(static_cast<const BaseT &>(RHS));
42    ST = RHS.ST;
43    TLI = RHS.TLI;
44    return *this;
45  }
46  SystemZTTIImpl &operator=(SystemZTTIImpl &&RHS) {
47    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
48    ST = std::move(RHS.ST);
49    TLI = std::move(RHS.TLI);
50    return *this;
51  }
52
53  /// \name Scalar TTI Implementations
54  /// @{
55
56  unsigned getIntImmCost(const APInt &Imm, Type *Ty);
57
58  unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
59                         Type *Ty);
60  unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
61                         Type *Ty);
62
63  TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
64
65  /// @}
66};
67
68} // end namespace llvm
69
70#endif
71