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 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 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 35 MCStreamer *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