1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/utils/TableGen/Basic/SDNodeProperties.cpp b/llvm/utils/TableGen/Basic/SDNodeProperties.cpp
new file mode 100644
index 000000000000..2aec41aac625
--- /dev/null
+++ b/llvm/utils/TableGen/Basic/SDNodeProperties.cpp
@@ -0,0 +1,40 @@
+//===- SDNodeProperties.cpp -----------------------------------------------===//
+//
+// 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 "SDNodeProperties.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/TableGen/Record.h"
+
+using namespace llvm;
+
+unsigned llvm::parseSDPatternOperatorProperties(Record *R) {
+  unsigned Properties = 0;
+  for (Record *Property : R->getValueAsListOfDefs("Properties")) {
+    auto Offset = StringSwitch<unsigned>(Property->getName())
+                      .Case("SDNPCommutative", SDNPCommutative)
+                      .Case("SDNPAssociative", SDNPAssociative)
+                      .Case("SDNPHasChain", SDNPHasChain)
+                      .Case("SDNPOutGlue", SDNPOutGlue)
+                      .Case("SDNPInGlue", SDNPInGlue)
+                      .Case("SDNPOptInGlue", SDNPOptInGlue)
+                      .Case("SDNPMayStore", SDNPMayStore)
+                      .Case("SDNPMayLoad", SDNPMayLoad)
+                      .Case("SDNPSideEffect", SDNPSideEffect)
+                      .Case("SDNPMemOperand", SDNPMemOperand)
+                      .Case("SDNPVariadic", SDNPVariadic)
+                      .Default(-1u);
+    if (Offset != -1u)
+      Properties |= 1 << Offset;
+    else
+      PrintFatalError(R->getLoc(), "Unknown SD Node property '" +
+                                       Property->getName() + "' on node '" +
+                                       R->getName() + "'!");
+  }
+  return Properties;
+}