1 files changed, 61 insertions, 0 deletions

diff --git a/contrib/llvm-project/llvm/lib/MC/MCValue.cpp b/contrib/llvm-project/llvm/lib/MC/MCValue.cpp
new file mode 100644
index 000000000000..81da47b2eced
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/MC/MCValue.cpp
@@ -0,0 +1,61 @@
+//===- lib/MC/MCValue.cpp - MCValue implementation ------------------------===//
+//
+// 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/MCValue.h"
+#include "llvm/Config/llvm-config.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+void MCValue::print(raw_ostream &OS) const {
+  if (isAbsolute()) {
+    OS << getConstant();
+    return;
+  }
+
+  // FIXME: prints as a number, which isn't ideal. But the meaning will be
+  // target-specific anyway.
+  if (getRefKind())
+    OS << ':' << getRefKind() <<  ':';
+
+  OS << *getSymA();
+
+  if (getSymB()) {
+    OS << " - ";
+    OS << *getSymB();
+  }
+
+  if (getConstant())
+    OS << " + " << getConstant();
+}
+
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+LLVM_DUMP_METHOD void MCValue::dump() const {
+  print(dbgs());
+}
+#endif
+
+MCSymbolRefExpr::VariantKind MCValue::getAccessVariant() const {
+  const MCSymbolRefExpr *B = getSymB();
+  if (B) {
+    if (B->getKind() != MCSymbolRefExpr::VK_None)
+      llvm_unreachable("unsupported");
+  }
+
+  const MCSymbolRefExpr *A = getSymA();
+  if (!A)
+    return MCSymbolRefExpr::VK_None;
+
+  MCSymbolRefExpr::VariantKind Kind = A->getKind();
+  if (Kind == MCSymbolRefExpr::VK_WEAKREF)
+    return MCSymbolRefExpr::VK_None;
+  return Kind;
+}