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
17 using namespace llvm;
18
emitInstToData(const MCInst & Inst,const MCSubtargetInfo & STI)19 void MCSPIRVStreamer::emitInstToData(const MCInst &Inst,
20 const MCSubtargetInfo &STI) {
21 MCAssembler &Assembler = getAssembler();
22 SmallVector<MCFixup, 0> Fixups;
23 SmallString<256> Code;
24 Assembler.getEmitter().encodeInstruction(Inst, Code, Fixups, STI);
25
26 // Append the encoded instruction to the current data fragment (or create a
27 // new such fragment if the current fragment is not a data fragment).
28 MCDataFragment *DF = getOrCreateDataFragment();
29
30 DF->setHasInstructions(STI);
31 DF->getContents().append(Code.begin(), Code.end());
32 }
33
createSPIRVStreamer(MCContext & Context,std::unique_ptr<MCAsmBackend> && MAB,std::unique_ptr<MCObjectWriter> && OW,std::unique_ptr<MCCodeEmitter> && CE)34 MCStreamer *llvm::createSPIRVStreamer(MCContext &Context,
35 std::unique_ptr<MCAsmBackend> &&MAB,
36 std::unique_ptr<MCObjectWriter> &&OW,
37 std::unique_ptr<MCCodeEmitter> &&CE) {
38 MCSPIRVStreamer *S = new MCSPIRVStreamer(Context, std::move(MAB),
39 std::move(OW), std::move(CE));
40 return S;
41 }
42