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//=- WebAssemblySubtarget.h - Define Subtarget for the WebAssembly -*- 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 declares the WebAssembly-specific subclass of
/// TargetSubtarget.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSUBTARGET_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSUBTARGET_H
#include "WebAssemblyFrameLowering.h"
#include "WebAssemblyISelLowering.h"
#include "WebAssemblyInstrInfo.h"
#include "WebAssemblySelectionDAGInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
#include "WebAssemblyGenSubtargetInfo.inc"
namespace llvm {
class WebAssemblySubtarget final : public WebAssemblyGenSubtargetInfo {
bool HasSIMD128;
/// String name of used CPU.
std::string CPUString;
/// What processor and OS we're targeting.
Triple TargetTriple;
WebAssemblyFrameLowering FrameLowering;
WebAssemblyInstrInfo InstrInfo;
WebAssemblySelectionDAGInfo TSInfo;
WebAssemblyTargetLowering TLInfo;
/// Initializes using CPUString and the passed in feature string so that we
/// can use initializer lists for subtarget initialization.
WebAssemblySubtarget &initializeSubtargetDependencies(StringRef FS);
public:
/// This constructor initializes the data members to match that
/// of the specified triple.
WebAssemblySubtarget(const Triple &TT, const std::string &CPU,
const std::string &FS, const TargetMachine &TM);
const WebAssemblySelectionDAGInfo *getSelectionDAGInfo() const override {
return &TSInfo;
}
const WebAssemblyFrameLowering *getFrameLowering() const override {
return &FrameLowering;
}
const WebAssemblyTargetLowering *getTargetLowering() const override {
return &TLInfo;
}
const Triple &getTargetTriple() const { return TargetTriple; }
bool enableMachineScheduler() const override;
bool useAA() const override { return true; }
// Predicates used by WebAssemblyInstrInfo.td.
bool hasAddr64() const { return TargetTriple.isArch64Bit(); }
bool hasSIMD128() const { return HasSIMD128; }
/// Parses features string setting specified subtarget options. Definition of
/// function is auto generated by tblgen.
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
};
} // end namespace llvm
#endif
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