1//===-- XCoreTargetTransformInfo.h - XCore 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/// XCore 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_XCORE_XCORETARGETTRANSFORMINFO_H 17#define LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H 18 19#include "XCore.h" 20#include "XCoreTargetMachine.h" 21#include "llvm/Analysis/TargetTransformInfo.h" 22#include "llvm/CodeGen/BasicTTIImpl.h" 23#include "llvm/CodeGen/TargetLowering.h" 24 25namespace llvm { 26 27class XCoreTTIImpl : public BasicTTIImplBase<XCoreTTIImpl> { 28 typedef BasicTTIImplBase<XCoreTTIImpl> BaseT; 29 typedef TargetTransformInfo TTI; 30 friend BaseT; 31 32 const XCoreSubtarget *ST; 33 const XCoreTargetLowering *TLI; 34 35 const XCoreSubtarget *getST() const { return ST; } 36 const XCoreTargetLowering *getTLI() const { return TLI; } 37 38public: 39 explicit XCoreTTIImpl(const XCoreTargetMachine *TM, const Function &F) 40 : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()), 41 TLI(ST->getTargetLowering()) {} 42 43 unsigned getNumberOfRegisters(unsigned ClassID) const { 44 bool Vector = (ClassID == 1); 45 if (Vector) { 46 return 0; 47 } 48 return 12; 49 } 50}; 51 52} // end namespace llvm 53 54#endif 55