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-rw-r--r--lib/MCA/CodeEmitter.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/MCA/CodeEmitter.cpp b/lib/MCA/CodeEmitter.cpp
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+//===--------------------- 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