1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCInstrInfo.cpp b/llvm/lib/MC/MCInstrInfo.cpp
new file mode 100644
index 0000000000000..ab63db0405324
--- /dev/null
+++ b/llvm/lib/MC/MCInstrInfo.cpp
@@ -0,0 +1,27 @@
+//===- lib/MC/MCInstrInfo.cpp - Target Instruction Info -------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+
+using namespace llvm;
+
+bool MCInstrInfo::getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
+                                    std::string &Info) const {
+  unsigned Opcode = MI.getOpcode();
+  if (ComplexDeprecationInfos && ComplexDeprecationInfos[Opcode])
+    return ComplexDeprecationInfos[Opcode](MI, STI, Info);
+  if (DeprecatedFeatures && DeprecatedFeatures[Opcode] != uint8_t(-1U) &&
+      STI.getFeatureBits()[DeprecatedFeatures[Opcode]]) {
+    // FIXME: it would be nice to include the subtarget feature here.
+    Info = "deprecated";
+    return true;
+  }
+  return false;
+}