forked from OSchip/llvm-project
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//==- WebAssemblyTargetTransformInfo.h - WebAssembly-specific TTI -*- C++ -*-=//
|
|
//
|
|
// 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 a TargetTransformInfo::Concept conforming object specific
|
|
/// to the WebAssembly target machine.
|
|
///
|
|
/// It uses the target's detailed information to provide more precise answers to
|
|
/// certain TTI queries, while letting the target independent and default TTI
|
|
/// implementations handle the rest.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETTRANSFORMINFO_H
|
|
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETTRANSFORMINFO_H
|
|
|
|
#include "WebAssemblyTargetMachine.h"
|
|
#include "llvm/CodeGen/BasicTTIImpl.h"
|
|
#include <algorithm>
|
|
|
|
namespace llvm {
|
|
|
|
class WebAssemblyTTIImpl final : public BasicTTIImplBase<WebAssemblyTTIImpl> {
|
|
typedef BasicTTIImplBase<WebAssemblyTTIImpl> BaseT;
|
|
typedef TargetTransformInfo TTI;
|
|
friend BaseT;
|
|
|
|
const WebAssemblySubtarget *ST;
|
|
const WebAssemblyTargetLowering *TLI;
|
|
|
|
const WebAssemblySubtarget *getST() const { return ST; }
|
|
const WebAssemblyTargetLowering *getTLI() const { return TLI; }
|
|
|
|
public:
|
|
WebAssemblyTTIImpl(const WebAssemblyTargetMachine *TM, const Function &F)
|
|
: BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
|
|
TLI(ST->getTargetLowering()) {}
|
|
|
|
/// \name Scalar TTI Implementations
|
|
/// @{
|
|
|
|
// TODO: Implement more Scalar TTI for WebAssembly
|
|
|
|
TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth) const;
|
|
|
|
/// @}
|
|
|
|
/// \name Vector TTI Implementations
|
|
/// @{
|
|
|
|
unsigned getNumberOfRegisters(bool Vector);
|
|
unsigned getRegisterBitWidth(bool Vector) const;
|
|
unsigned getArithmeticInstrCost(
|
|
unsigned Opcode, Type *Ty,
|
|
TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
|
|
TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
|
|
TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
|
|
TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None,
|
|
ArrayRef<const Value *> Args = ArrayRef<const Value *>());
|
|
unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
|
|
|
|
/// @}
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|