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//===-- WebAssemblyMCTargetDesc.cpp - WebAssembly Target Descriptions -----===//
//
// 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 provides WebAssembly-specific target descriptions.
///
//===----------------------------------------------------------------------===//
#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "MCTargetDesc/WebAssemblyInstPrinter.h"
#include "MCTargetDesc/WebAssemblyMCAsmInfo.h"
#include "MCTargetDesc/WebAssemblyTargetStreamer.h"
#include "TargetInfo/WebAssemblyTargetInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
#define DEBUG_TYPE "wasm-mc-target-desc"
#define GET_INSTRINFO_MC_DESC
#include "WebAssemblyGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "WebAssemblyGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "WebAssemblyGenRegisterInfo.inc"
static MCAsmInfo *createMCAsmInfo(const MCRegisterInfo & /*MRI*/,
const Triple &TT) {
return new WebAssemblyMCAsmInfo(TT);
}
static MCInstrInfo *createMCInstrInfo() {
auto *X = new MCInstrInfo();
InitWebAssemblyMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createMCRegisterInfo(const Triple & /*T*/) {
auto *X = new MCRegisterInfo();
InitWebAssemblyMCRegisterInfo(X, 0);
return X;
}
static MCInstPrinter *createMCInstPrinter(const Triple & /*T*/,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI) {
assert(SyntaxVariant == 0 && "WebAssembly only has one syntax variant");
return new WebAssemblyInstPrinter(MAI, MII, MRI);
}
static MCCodeEmitter *createCodeEmitter(const MCInstrInfo &MCII,
const MCRegisterInfo & /*MRI*/,
MCContext &Ctx) {
return createWebAssemblyMCCodeEmitter(MCII);
}
static MCAsmBackend *createAsmBackend(const Target & /*T*/,
const MCSubtargetInfo &STI,
const MCRegisterInfo & /*MRI*/,
const MCTargetOptions & /*Options*/) {
return createWebAssemblyAsmBackend(STI.getTargetTriple());
}
static MCSubtargetInfo *createMCSubtargetInfo(const Triple &TT, StringRef CPU,
StringRef FS) {
return createWebAssemblyMCSubtargetInfoImpl(TT, CPU, FS);
}
static MCTargetStreamer *
createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
return new WebAssemblyTargetWasmStreamer(S);
}
static MCTargetStreamer *createAsmTargetStreamer(MCStreamer &S,
formatted_raw_ostream &OS,
MCInstPrinter * /*InstPrint*/,
bool /*isVerboseAsm*/) {
return new WebAssemblyTargetAsmStreamer(S, OS);
}
static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
return new WebAssemblyTargetNullStreamer(S);
}
// Force static initialization.
extern "C" void LLVMInitializeWebAssemblyTargetMC() {
for (Target *T :
{&getTheWebAssemblyTarget32(), &getTheWebAssemblyTarget64()}) {
// Register the MC asm info.
RegisterMCAsmInfoFn X(*T, createMCAsmInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(*T, createMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(*T, createMCRegisterInfo);
// Register the MCInstPrinter.
TargetRegistry::RegisterMCInstPrinter(*T, createMCInstPrinter);
// Register the MC code emitter.
TargetRegistry::RegisterMCCodeEmitter(*T, createCodeEmitter);
// Register the ASM Backend.
TargetRegistry::RegisterMCAsmBackend(*T, createAsmBackend);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(*T, createMCSubtargetInfo);
// Register the object target streamer.
TargetRegistry::RegisterObjectTargetStreamer(*T,
createObjectTargetStreamer);
// Register the asm target streamer.
TargetRegistry::RegisterAsmTargetStreamer(*T, createAsmTargetStreamer);
// Register the null target streamer.
TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
}
}
wasm::ValType WebAssembly::toValType(const MVT &Ty) {
switch (Ty.SimpleTy) {
case MVT::i32:
return wasm::ValType::I32;
case MVT::i64:
return wasm::ValType::I64;
case MVT::f32:
return wasm::ValType::F32;
case MVT::f64:
return wasm::ValType::F64;
case MVT::v16i8:
case MVT::v8i16:
case MVT::v4i32:
case MVT::v2i64:
case MVT::v4f32:
case MVT::v2f64:
return wasm::ValType::V128;
case MVT::exnref:
return wasm::ValType::EXNREF;
default:
llvm_unreachable("unexpected type");
}
}
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