| //===--------------------- CodeEmitter.cpp ----------------------*- C++ -*-===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the CodeEmitter API. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/MCA/CodeEmitter.h" |
| |
| namespace llvm { |
| namespace mca { |
| |
| CodeEmitter::EncodingInfo CodeEmitter::getOrCreateEncodingInfo(unsigned MCID) { |
| EncodingInfo &EI = Encodings[MCID]; |
| if (EI.second) |
| return EI; |
| |
| SmallVector<llvm::MCFixup, 2> Fixups; |
| const MCInst &Inst = Sequence[MCID]; |
| MCInst Relaxed(Sequence[MCID]); |
| if (MAB.mayNeedRelaxation(Inst, STI)) |
| MAB.relaxInstruction(Relaxed, STI); |
| |
| EI.first = Code.size(); |
| MCE.encodeInstruction(Relaxed, VecOS, Fixups, STI); |
| EI.second = Code.size() - EI.first; |
| return EI; |
| } |
| |
| } // namespace mca |
| } // namespace llvm |
