38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
|
//===--------------------- 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
|