LLVM 19.0.0git
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1//===- BasicTargetTransformInfo.cpp - Basic target-independent TTI impl ---===//
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
8/// \file
9/// This file provides the implementation of a basic TargetTransformInfo pass
10/// predicated on the target abstractions present in the target independent
11/// code generator. It uses these (primarily TargetLowering) to model as much
12/// of the TTI query interface as possible. It is included by most targets so
13/// that they can specialize only a small subset of the query space.
19#include "llvm/IR/Function.h"
23using namespace llvm;
25// This flag is used by the template base class for BasicTTIImpl, and here to
26// provide a definition.
28llvm::PartialUnrollingThreshold("partial-unrolling-threshold", cl::init(0),
29 cl::desc("Threshold for partial unrolling"),
33 : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
34 TLI(ST->getTargetLowering()) {}
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
BasicTTIImpl(const TargetMachine *TM, const Function &F)
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:76
initializer< Ty > init(const Ty &Val)
Definition: CommandLine.h:450
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
cl::opt< unsigned > PartialUnrollingThreshold