1//===-- SparcTargetTransformInfo.cpp - SPARC specific TTI--------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8/// \file
9/// This file a TargetTransformInfoImplBase conforming object specific to the
10/// SPARC target machine. It uses the target's detailed information to
11/// provide more precise answers to certain TTI queries, while letting the
12/// target independent and default TTI implementations handle the rest.
13///
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_LIB_TARGET_SPARC_SPARCTARGETTRANSFORMINFO_H
17#define LLVM_LIB_TARGET_SPARC_SPARCTARGETTRANSFORMINFO_H
18
19#include "SparcTargetMachine.h"
20#include "llvm/Analysis/TargetTransformInfo.h"
21#include "llvm/CodeGen/BasicTTIImpl.h"
22
23namespace llvm {
24
25class SparcTTIImpl final : public BasicTTIImplBase<SparcTTIImpl> {
26 typedef BasicTTIImplBase<SparcTTIImpl> BaseT;
27 typedef TargetTransformInfo TTI;
28 friend BaseT;
29
30 const SparcSubtarget *ST;
31 const SparcTargetLowering *TLI;
32
33 const SparcSubtarget *getST() const { return ST; }
34 const SparcTargetLowering *getTLI() const { return TLI; }
35
36public:
37 explicit SparcTTIImpl(const SparcTargetMachine *TM, const Function &F)
38 : BaseT(TM, F.getDataLayout()), ST(TM->getSubtargetImpl(F)),
39 TLI(ST->getTargetLowering()) {}
40
41 /// \name Scalar TTI Implementations
42 /// @{
43 TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth) const override;
44 /// @}
45
46 /// \name Vector TTI Implementations
47 /// @{
48 enum SparcRegisterClass { GPRRC, FPRRC, FP128RRC, VRRC };
49 unsigned getNumberOfRegisters(unsigned ClassID) const override;
50 unsigned getRegisterClassForType(bool Vector,
51 Type *Ty = nullptr) const override;
52 TypeSize
53 getRegisterBitWidth(TargetTransformInfo::RegisterKind K) const override;
54
55 InstructionCost getPartialReductionCost(
56 unsigned Opcode, Type *InputTypeA, Type *InputTypeB, Type *AccumType,
57 ElementCount VF, TTI::PartialReductionExtendKind OpAExtend,
58 TTI::PartialReductionExtendKind OpBExtend, std::optional<unsigned> BinOp,
59 TTI::TargetCostKind CostKind,
60 std::optional<FastMathFlags> FMF) const override {
61 return InstructionCost::getInvalid();
62 }
63 /// @}
64};
65
66} // end namespace llvm
67
68#endif
69