1 files changed, 48 insertions, 0 deletions
diff --git a/llvm/utils/TableGen/GlobalISel/GIMatchDagInstr.cpp b/llvm/utils/TableGen/GlobalISel/GIMatchDagInstr.cpp
new file mode 100644
index 0000000000000..218b741be20c3
--- /dev/null
+++ b/llvm/utils/TableGen/GlobalISel/GIMatchDagInstr.cpp
@@ -0,0 +1,48 @@
+//===- GIMatchDagInstr.cpp - A shared operand list for nodes --------------===//
+//
+// 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 "GIMatchDagInstr.h"
+#include "../CodeGenInstruction.h"
+#include "GIMatchDag.h"
+#include "llvm/TableGen/Record.h"
+
+using namespace llvm;
+
+void GIMatchDagInstr::print(raw_ostream &OS) const {
+  OS << "(";
+  if (const auto *Annotation = getOpcodeAnnotation())
+    OS << Annotation->TheDef->getName();
+  else
+    OS << "<unknown>";
+  OS << " ";
+  OperandInfo.print(OS);
+  OS << "):$" << Name;
+  if (!UserAssignedNamesForOperands.empty()) {
+    OS << " // ";
+    SmallVector<std::pair<unsigned, StringRef>, 8> ToPrint;
+    for (const auto &Assignment : UserAssignedNamesForOperands)
+      ToPrint.emplace_back(Assignment.first, Assignment.second);
+    llvm::sort(ToPrint.begin(), ToPrint.end());
+    StringRef Separator = "";
+    for (const auto &Assignment : ToPrint) {
+      OS << Separator << "$" << Assignment.second << "=getOperand("
+         << Assignment.first << ")";
+      Separator = ", ";
+    }
+  }
+}
+
+void GIMatchDagInstr::setMatchRoot() {
+  IsMatchRoot = true;
+  Dag.addMatchRoot(this);
+}
+
+raw_ostream &llvm::operator<<(raw_ostream &OS, const GIMatchDagInstr &N) {
+  N.print(OS);
+  return OS;
+}