From 06f477815f8d61819a68875274ad0a533ef3234c Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Tue, 4 Mar 2014 20:26:51 +0000
Subject: APFloat: Add a move ctor and operator=

llvm-svn: 202883
---
 llvm/lib/Support/APFloat.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'llvm/lib/Support/APFloat.cpp')

diff --git a/llvm/lib/Support/APFloat.cpp b/llvm/lib/Support/APFloat.cpp
index deb9b05206b..85ce31bcabc 100644
--- a/llvm/lib/Support/APFloat.cpp
+++ b/llvm/lib/Support/APFloat.cpp
@@ -683,6 +683,20 @@ APFloat::operator=(const APFloat &rhs)
   return *this;
 }
 
+APFloat &
+APFloat::operator=(APFloat &&rhs) {
+  freeSignificand();
+
+  semantics = rhs.semantics;
+  significand = rhs.significand;
+  exponent = rhs.exponent;
+  category = rhs.category;
+  sign = rhs.sign;
+
+  rhs.semantics = &Bogus;
+  return *this;
+}
+
 bool
 APFloat::isDenormal() const {
   return isFiniteNonZero() && (exponent == semantics->minExponent) &&
@@ -806,6 +820,10 @@ APFloat::APFloat(const APFloat &rhs) {
   assign(rhs);
 }
 
+APFloat::APFloat(APFloat &&rhs) : semantics(&Bogus) {
+  *this = std::move(rhs);
+}
+
 APFloat::~APFloat()
 {
   freeSignificand();
-- 
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