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 
17 namespace llvm {
18 
19 class 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 
30 public:
31   explicit SystemZTTIImpl(const SystemZTargetMachine *TM, const Function &F)
32       : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
33         TLI(ST->getTargetLowering()) {}
34 
35   /// \name Scalar TTI Implementations
36   /// @{
37 
38   int getIntImmCost(const APInt &Imm, Type *Ty);
39 
40   int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty);
41   int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
42                     Type *Ty);
43 
44   TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
45 
46   void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP);
47 
48   /// @}
49 
50   /// \name Vector TTI Implementations
51   /// @{
52 
53   unsigned getNumberOfRegisters(bool Vector);
54   unsigned getRegisterBitWidth(bool Vector);
55 
56   /// @}
57 };
58 
59 } // end namespace llvm
60 
61 #endif
62