1//===- lib/MC/MCSPIRVStreamer.cpp - SPIR-V Object Output ------*- C++ -*---===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file assembles .s files and emits SPIR-V .o object files.
10//
11//===----------------------------------------------------------------------===//
12
13#include "llvm/MC/MCSPIRVStreamer.h"
14#include "llvm/MC/MCAssembler.h"
15#include "llvm/MC/TargetRegistry.h"
16
17using namespace llvm;
18
19void MCSPIRVStreamer::emitInstToData(const MCInst &Inst,
20                                     const MCSubtargetInfo &STI) {
21  MCAssembler &Assembler = getAssembler();
22  SmallVector<MCFixup, 0> Fixups;
23  SmallString<256> Code;
24  raw_svector_ostream VecOS(Code);
25  Assembler.getEmitter().encodeInstruction(Inst, VecOS, Fixups, STI);
26
27  // Append the encoded instruction to the current data fragment (or create a
28  // new such fragment if the current fragment is not a data fragment).
29  MCDataFragment *DF = getOrCreateDataFragment();
30
31  DF->setHasInstructions(STI);
32  DF->getContents().append(Code.begin(), Code.end());
33}
34
35MCStreamer *llvm::createSPIRVStreamer(MCContext &Context,
36                                      std::unique_ptr<MCAsmBackend> &&MAB,
37                                      std::unique_ptr<MCObjectWriter> &&OW,
38                                      std::unique_ptr<MCCodeEmitter> &&CE,
39                                      bool RelaxAll) {
40  MCSPIRVStreamer *S = new MCSPIRVStreamer(Context, std::move(MAB),
41                                           std::move(OW), std::move(CE));
42  if (RelaxAll)
43    S->getAssembler().setRelaxAll(true);
44  return S;
45}
46