LLVM 19.0.0git
LoongArchTargetTransformInfo.h
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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"
23
24namespace llvm {
25
26class LoongArchTTIImpl : public BasicTTIImplBase<LoongArchTTIImpl> {
29 friend BaseT;
30
31 enum LoongArchRegisterClass { GPRRC, FPRRC, VRRC };
32 const LoongArchSubtarget *ST;
33 const LoongArchTargetLowering *TLI;
34
35 const LoongArchSubtarget *getST() const { return ST; }
36 const LoongArchTargetLowering *getTLI() const { return TLI; }
37
38public:
40 : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
41 TLI(ST->getTargetLowering()) {}
42
44 unsigned getNumberOfRegisters(unsigned ClassID) const;
45 unsigned getRegisterClassForType(bool Vector, Type *Ty = nullptr) const;
47 const char *getRegisterClassName(unsigned ClassID) const;
48
49 // TODO: Implement more hooks to provide TTI machinery for LoongArch.
50};
51
52} // end namespace llvm
53
54#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H
static const Function * getParent(const Value *V)
This file provides a helper that implements much of the TTI interface in terms of the target-independ...
#define F(x, y, z)
Definition: MD5.cpp:55
const char LLVMTargetMachineRef TM
This pass exposes codegen information to IR-level passes.
Base class which can be used to help build a TTI implementation.
Definition: BasicTTIImpl.h:81
unsigned getMaxInterleaveFactor(ElementCount VF)
unsigned getRegisterClassForType(bool Vector, Type *Ty=nullptr) const
unsigned getNumberOfRegisters(unsigned ClassID) const
LoongArchTTIImpl(const LoongArchTargetMachine *TM, const Function &F)
TypeSize getRegisterBitWidth(TargetTransformInfo::RegisterKind K) const
const char * getRegisterClassName(unsigned ClassID) const
const DataLayout & getDataLayout() const
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18