1 //===- LoongArchTargetTransformInfo.h - LoongArch 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 TargetTransformInfo::Concept conforming object specific to the 10 /// LoongArch 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_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H 17 #define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H 18 19 #include "LoongArchSubtarget.h" 20 #include "LoongArchTargetMachine.h" 21 #include "llvm/Analysis/TargetTransformInfo.h" 22 #include "llvm/CodeGen/BasicTTIImpl.h" 23 24 namespace llvm { 25 26 class LoongArchTTIImpl : public BasicTTIImplBase<LoongArchTTIImpl> { 27 typedef BasicTTIImplBase<LoongArchTTIImpl> BaseT; 28 typedef TargetTransformInfo TTI; 29 friend BaseT; 30 31 const LoongArchSubtarget *ST; 32 const LoongArchTargetLowering *TLI; 33 34 const LoongArchSubtarget *getST() const { return ST; } 35 const LoongArchTargetLowering *getTLI() const { return TLI; } 36 37 public: 38 explicit LoongArchTTIImpl(const LoongArchTargetMachine *TM, const Function &F) 39 : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)), 40 TLI(ST->getTargetLowering()) {} 41 42 // TODO: Implement more hooks to provide TTI machinery for LoongArch. 43 }; 44 45 } // end namespace llvm 46 47 #endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H 48