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