From e5a0365b010bff96432486ad2b572cb7c2bf4b1a Mon Sep 17 00:00:00 2001
From: zyfncg <zhangyunfei07@baidu.com>
Date: Wed, 27 Apr 2022 10:09:51 +0800
Subject: [PATCH] Add move construct for KernelSignature (#42253)

* add move construct for KernelSignature

* add noexcept
---
 paddle/phi/core/compat/arg_map_context.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/paddle/phi/core/compat/arg_map_context.h b/paddle/phi/core/compat/arg_map_context.h
index 5b693124221..cd7eb419f13 100644
--- a/paddle/phi/core/compat/arg_map_context.h
+++ b/paddle/phi/core/compat/arg_map_context.h
@@ -63,6 +63,13 @@ struct KernelSignature {
         input_names(other.input_names),
         attr_names(other.attr_names),
         output_names(other.output_names) {}
+
+  KernelSignature(KernelSignature&& other) noexcept
+      : name(other.name),
+        input_names(std::move(other.input_names)),
+        attr_names(std::move(other.attr_names)),
+        output_names(std::move(other.output_names)) {}
+
   KernelSignature& operator=(const KernelSignature& other) {
     name = other.name;
     input_names = other.input_names;
@@ -70,6 +77,14 @@ struct KernelSignature {
     output_names = other.output_names;
     return *this;
   }
+
+  KernelSignature& operator=(KernelSignature&& other) noexcept {
+    name = other.name;
+    input_names.swap(other.input_names);
+    attr_names.swap(other.attr_names);
+    output_names.swap(other.output_names);
+    return *this;
+  }
 };
 
 std::ostream& operator<<(std::ostream& os, KernelSignature signature);
-- 
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