Added FoldingSet style 'profiling' support for APSInt.

llvm-svn: 46189

1 files changed, 23 insertions, 0 deletions

diff --git a/llvm/lib/Support/APSInt.cpp b/llvm/lib/Support/APSInt.cpp
new file mode 100644
index 00000000000..73acafa690c
--- /dev/null
+++ b/llvm/lib/Support/APSInt.cpp
@@ -0,0 +1,23 @@
+//===-- llvm/ADT/APSInt.cpp - Arbitrary Precision Signed Int ---*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the APSInt class, which is a simple class that
+// represents an arbitrary sized integer that knows its signedness.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/APSInt.h"
+#include "llvm/ADT/FoldingSet.h"
+
+using namespace llvm;
+
+void APSInt::Profile(FoldingSetNodeID& ID) const {
+  ID.AddInteger((unsigned) (IsUnsigned ? 1 : 0));
+  APInt::Profile(ID);
+}