mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-12 13:30:51 +00:00
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
|
//==- 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 WebAssemblyTargetMachine *TM;
|
||
|
|
const WebAssemblySubtarget *ST;
|
||
|
|
const WebAssemblyTargetLowering *TLI;
|
||
|
|
|
||
|
|
const WebAssemblySubtarget *getST() const { return ST; }
|
||
|
|
const WebAssemblyTargetLowering *getTLI() const { return TLI; }
|
||
|
|
|
||
|
|
public:
|
||
|
|
WebAssemblyTTIImpl(const WebAssemblyTargetMachine *TM, Function &F)
|
||
|
|
: BaseT(TM), TM(TM), 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)), TM(Arg.TM), ST(Arg.ST),
|
||
|
|
TLI(Arg.TLI) {}
|
||
|
|
WebAssemblyTTIImpl(WebAssemblyTTIImpl &&Arg)
|
||
|
|
: BaseT(std::move(static_cast<BaseT &>(Arg))), TM(std::move(Arg.TM)),
|
||
|
|
ST(std::move(Arg.ST)), TLI(std::move(Arg.TLI)) {}
|
||
|
|
WebAssemblyTTIImpl &operator=(const WebAssemblyTTIImpl &RHS) {
|
||
|
|
BaseT::operator=(static_cast<const BaseT &>(RHS));
|
||
|
|
TM = RHS.TM;
|
||
|
|
ST = RHS.ST;
|
||
|
|
TLI = RHS.TLI;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
WebAssemblyTTIImpl &operator=(WebAssemblyTTIImpl &&RHS) {
|
||
|
|
BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
|
||
|
|
TM = std::move(RHS.TM);
|
||
|
|
ST = std::move(RHS.ST);
|
||
|
|
TLI = std::move(RHS.TLI);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// \name Scalar TTI Implementations
|
||
|
|
/// @{
|
||
|
|
|
||
|
|
// TODO: Implement more Scalar TTI for WebAssembly
|
||
|
|
|
||
|
|
TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
|
||
|
|
|
||
|
|
/// @}
|
||
|
|
|
||
|
|
/// \name Vector TTI Implementations
|
||
|
|
/// @{
|
||
|
|
|
||
|
|
// TODO: Implement Vector TTI for WebAssembly
|
||
|
|
|
||
|
|
/// @}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace llvm
|
||
|
|
|
||
|
|
#endif
|