[clang-tidy] Move more checks from misc- to performance-

Summary:
rename_check.py misc-move-const-arg performance-move-const-arg
rename_check.py misc-noexcept-move-constructor performance-noexcept-move-constructor

Reviewers: hokein, xazax.hun

Reviewed By: xazax.hun

Subscribers: rnkovacs, klimek, mgorny, xazax.hun, cfe-commits

Differential Revision: https://reviews.llvm.org/D40507

llvm-svn: 319183

1 files changed, 54 insertions, 0 deletions

diff --git a/clang-tools-extra/test/clang-tidy/performance-noexcept-move-constructor.cpp b/clang-tools-extra/test/clang-tidy/performance-noexcept-move-constructor.cpp
new file mode 100644
index 00000000000..70d70650c1d
--- /dev/null
+++ b/clang-tools-extra/test/clang-tidy/performance-noexcept-move-constructor.cpp
@@ -0,0 +1,54 @@
+// RUN: %check_clang_tidy %s performance-noexcept-move-constructor %t
+
+class A {
+  A(A &&);
+  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: move constructors should be marked noexcept [performance-noexcept-move-constructor]
+  A &operator=(A &&);
+  // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: move assignment operators should
+};
+
+struct B {
+  static constexpr bool kFalse = false;
+  B(B &&) noexcept(kFalse);
+  // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: noexcept specifier on the move constructor evaluates to 'false' [performance-noexcept-move-constructor]
+};
+
+class OK {};
+
+void f() {
+  OK a;
+  a = OK();
+}
+
+class OK1 {
+public:
+  OK1();
+  OK1(const OK1 &);
+  OK1(OK1 &&) noexcept;
+  OK1 &operator=(OK1 &&) noexcept;
+  void f();
+  void g() noexcept;
+};
+
+class OK2 {
+  static constexpr bool kTrue = true;
+
+public:
+  OK2(OK2 &&) noexcept(true) {}
+  OK2 &operator=(OK2 &&) noexcept(kTrue) { return *this; }
+};
+
+struct OK3 {
+  OK3(OK3 &&) noexcept(false) {}
+  OK3 &operator=(OK3 &&) = delete;
+};
+
+struct OK4 {
+  OK4(OK4 &&) noexcept = default;
+  OK4 &operator=(OK4 &&) noexcept = default;
+};
+
+struct OK5 {
+  OK5(OK5 &&) noexcept(true) = default;
+  OK5 &operator=(OK5 &&) noexcept(true) = default;
+};