diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
commit | 0b57cec536236d46e3dba9bd041533462f33dbb7 (patch) | |
tree | 56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h | |
parent | 718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff) |
Notes
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h')
-rw-r--r-- | contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h b/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h new file mode 100644 index 000000000000..1b11b4b631eb --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h @@ -0,0 +1,72 @@ +//==- 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 |