2 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/MCA/CMakeLists.txt b/llvm/lib/MCA/CMakeLists.txt
index 4965b6b31c1..e2eb06eb97c 100644
--- a/llvm/lib/MCA/CMakeLists.txt
+++ b/llvm/lib/MCA/CMakeLists.txt
@@ -1,4 +1,5 @@
 add_llvm_library(LLVMMCA
+  CodeEmitter.cpp
   Context.cpp
   HWEventListener.cpp
   HardwareUnits/HardwareUnit.cpp
diff --git a/llvm/lib/MCA/CodeEmitter.cpp b/llvm/lib/MCA/CodeEmitter.cpp
new file mode 100644
index 00000000000..294107219cb
--- /dev/null
+++ b/llvm/lib/MCA/CodeEmitter.cpp
@@ -0,0 +1,37 @@
+//===--------------------- 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(Inst, STI, Relaxed);
+
+  EI.first = Code.size();
+  MCE.encodeInstruction(Relaxed, VecOS, Fixups, STI);
+  EI.second = Code.size() - EI.first;
+  return EI;
+}
+
+} // namespace mca
+} // namespace llvm