llvm-6502/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
JF Bastien 7bfd515593 WebAssembly: basic instructions todo, and basic register info.
Summary:
This code is based on AArch64 for modern backend good practice, and NVPTX for
virtual ISA concerns.

Reviewers: sunfish

Subscribers: aemerson, llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11070

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241923 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-10 18:23:10 +00:00

60 lines
2.0 KiB
C++

//===-- WebAssemblyMCTargetDesc.cpp - WebAssembly Target Descriptions -----===//
//
// 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 provides WebAssembly-specific target descriptions.
///
//===----------------------------------------------------------------------===//
#include "WebAssemblyMCTargetDesc.h"
#include "InstPrinter/WebAssemblyInstPrinter.h"
#include "WebAssemblyMCAsmInfo.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.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_SUBTARGETINFO_MC_DESC
#include "WebAssemblyGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "WebAssemblyGenRegisterInfo.inc"
static MCAsmInfo *createWebAssemblyMCAsmInfo(const MCRegisterInfo &MRI,
const Triple &TT) {
MCAsmInfo *MAI = new WebAssemblyMCAsmInfo(TT);
return MAI;
}
static MCInstPrinter *
createWebAssemblyMCInstPrinter(const Triple &T, unsigned SyntaxVariant,
const MCAsmInfo &MAI, const MCInstrInfo &MII,
const MCRegisterInfo &MRI) {
if (SyntaxVariant == 0 || SyntaxVariant == 1)
return new WebAssemblyInstPrinter(MAI, MII, MRI);
return nullptr;
}
// Force static initialization.
extern "C" void LLVMInitializeWebAssemblyTargetMC() {
for (Target *T : {&TheWebAssemblyTarget32, &TheWebAssemblyTarget64}) {
// Register the MC asm info.
RegisterMCAsmInfoFn X(*T, createWebAssemblyMCAsmInfo);
// Register the MCInstPrinter.
TargetRegistry::RegisterMCInstPrinter(*T, createWebAssemblyMCInstPrinter);
}
}