Added serialization support for APInt.

llvm-svn: 43405

1 files changed, 31 insertions, 0 deletions

diff --git a/llvm/lib/Bitcode/Writer/SerializeAPInt.cpp b/llvm/lib/Bitcode/Writer/SerializeAPInt.cpp
new file mode 100644
index 00000000000..33cf7f4525e
--- /dev/null
+++ b/llvm/lib/Bitcode/Writer/SerializeAPInt.cpp
@@ -0,0 +1,31 @@
+//===-- SerializeAPInt.cpp - Serialization for APInts ----------*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Ted Kremenek and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements serialization of APInts.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/APInt.h"
+#include "llvm/Bitcode/Serialize.h"
+#include <cassert>
+
+using namespace llvm;
+
+void APInt::Emit(Serializer& S) const {
+  S.EmitInt(BitWidth);
+
+  if (isSingleWord())
+    S.EmitInt(VAL);
+  else {
+    uint32_t NumWords = getNumWords();
+    S.EmitInt(NumWords);
+    for (unsigned i = 0; i < NumWords; ++i)
+      S.EmitInt(pVal[i]);
+  }
+}