//==- WebAssemblyTargetTransformInfo.h - WebAssembly-specific TTI -*- C++ -*-=// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// /// /// \file /// \brief 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()) {} // Provide value semantics. MSVC requires that we spell all of these out. WebAssemblyTTIImpl(const WebAssemblyTTIImpl &Arg) : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {} WebAssemblyTTIImpl(WebAssemblyTTIImpl &&Arg) : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)), TLI(std::move(Arg.TLI)) {} /// \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); 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); unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index); /// @} }; } // end namespace llvm #endif