mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
b8d1671df9
Summary: Add a llc command line option and WebAssembly architecture feature for exception handling. Reviewers: dschuff Subscribers: jfb, sbc100, jgravelle-google, sunfish, llvm-commits Differential Revision: https://reviews.llvm.org/D43683 llvm-svn: 326004
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//=- 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/CodeGen/TargetSubtargetInfo.h"
|
|
#include <string>
|
|
|
|
#define GET_SUBTARGETINFO_HEADER
|
|
#include "WebAssemblyGenSubtargetInfo.inc"
|
|
|
|
namespace llvm {
|
|
|
|
class WebAssemblySubtarget final : public WebAssemblyGenSubtargetInfo {
|
|
bool HasSIMD128;
|
|
bool HasAtomics;
|
|
bool HasNontrappingFPToInt;
|
|
bool HasSignExt;
|
|
bool HasExceptionHandling;
|
|
|
|
/// 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 WebAssemblyInstrInfo *getInstrInfo() const override {
|
|
return &InstrInfo;
|
|
}
|
|
const WebAssemblyRegisterInfo *getRegisterInfo() const override {
|
|
return &getInstrInfo()->getRegisterInfo();
|
|
}
|
|
const Triple &getTargetTriple() const { return TargetTriple; }
|
|
bool enableMachineScheduler() const override;
|
|
bool useAA() const override;
|
|
|
|
// Predicates used by WebAssemblyInstrInfo.td.
|
|
bool hasAddr64() const { return TargetTriple.isArch64Bit(); }
|
|
bool hasSIMD128() const { return HasSIMD128; }
|
|
bool hasAtomics() const { return HasAtomics; }
|
|
bool hasNontrappingFPToInt() const { return HasNontrappingFPToInt; }
|
|
bool hasSignExt() const { return HasSignExt; }
|
|
bool hasExceptionHandling() const { return HasExceptionHandling; }
|
|
|
|
/// 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
|