From 670031666cf4dea0d122a0df2ec1d18822c225e4 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 30 Jun 2009 01:28:08 +0000
Subject: [PATCH] Define an operator<< for APInt to be used with std::ostream.
 This will allow it to be used in unittests that use gtest's EXPECT_EQ.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74494 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/APInt.h | 2 ++
 lib/Support/APInt.cpp    | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index 63bf4f6d9ba..56cd3ccf84e 100644
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -1426,6 +1426,8 @@ inline raw_ostream &operator<<(raw_ostream &OS, const APInt &I) {
   return OS;
 }
 
+std::ostream &operator<<(std::ostream &o, const APInt &I);
+
 namespace APIntOps {
 
 /// @brief Determine the smaller of two APInts considered to be signed.
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 73bf774b171..25e23e0ac00 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -2178,6 +2178,12 @@ void APInt::print(raw_ostream &OS, bool isSigned) const {
   OS << S.c_str();
 }
 
+std::ostream &operator<<(std::ostream &o, const APInt &I) {
+  raw_os_ostream OS(o);
+  OS << I;
+  return o;
+}
+
 // This implements a variety of operations on a representation of
 // arbitrary precision, two's-complement, bignum integer values.