Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h
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//==- WebAssemblyTargetTransformInfo.h - WebAssembly-specific TTI -*- C++ -*-=//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file a TargetTransformInfo::Concept conforming object specific
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/// to the WebAssembly target machine.
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///
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/// It uses the target's detailed information to provide more precise answers to
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/// certain TTI queries, while letting the target independent and default TTI
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/// implementations handle the rest.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETTRANSFORMINFO_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETTRANSFORMINFO_H
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#include "WebAssemblyTargetMachine.h"
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#include "llvm/CodeGen/BasicTTIImpl.h"
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#include <algorithm>
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namespace llvm {
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class WebAssemblyTTIImpl final : public BasicTTIImplBase<WebAssemblyTTIImpl> {
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  typedef BasicTTIImplBase<WebAssemblyTTIImpl> BaseT;
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  typedef TargetTransformInfo TTI;
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  friend BaseT;
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  const WebAssemblySubtarget *ST;
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  const WebAssemblyTargetLowering *TLI;
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  const WebAssemblySubtarget *getST() const { return ST; }
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  const WebAssemblyTargetLowering *getTLI() const { return TLI; }
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public:
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  WebAssemblyTTIImpl(const WebAssemblyTargetMachine *TM, const Function &F)
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      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
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        TLI(ST->getTargetLowering()) {}
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  /// \name Scalar TTI Implementations
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  /// @{
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  // TODO: Implement more Scalar TTI for WebAssembly
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  TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth) const;
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  /// @}
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  /// \name Vector TTI Implementations
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  /// @{
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  unsigned getNumberOfRegisters(bool Vector);
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  unsigned getRegisterBitWidth(bool Vector) const;
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  unsigned getArithmeticInstrCost(
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      unsigned Opcode, Type *Ty,
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      TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
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      TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
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      TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
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      TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None,
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      ArrayRef<const Value *> Args = ArrayRef<const Value *>());
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  unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
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  /// @}
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};
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} // end namespace llvm
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#endif