//===- BasicTargetTransformInfo.cpp - Basic target-independent TTI impl ---===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// /// \file /// This file provides the implementation of a basic TargetTransformInfo pass /// predicated on the target abstractions present in the target independent /// code generator. It uses these (primarily TargetLowering) to model as much /// of the TTI query interface as possible. It is included by most targets so /// that they can specialize only a small subset of the query space. /// //===----------------------------------------------------------------------===// #include "llvm/CodeGen/BasicTTIImpl.h" #include "llvm/CodeGen/TargetSubtargetInfo.h" #include "llvm/IR/Function.h" #include "llvm/Support/CommandLine.h" #include "llvm/Target/TargetMachine.h" using namespace llvm; // This flag is used by the template base class for BasicTTIImpl, and here to // provide a definition. cl::opt<unsigned> llvm::PartialUnrollingThreshold("partial-unrolling-threshold", cl::init(0), cl::desc("Threshold for partial unrolling"), cl::Hidden); BasicTTIImpl::BasicTTIImpl(const TargetMachine *TM, const Function &F) : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {} |