================
@@ -4272,3 +4272,42 @@ void test_cyclic_cfg(int n) {
} // expected-note {{local variable 'a' is destroyed here}}
v.use(); // expected-note {{later used here}}
}
+
+namespace member_capture_by_param {
+struct S {
+ S(int *p [[clang::lifetime_capture_by(c)]], int *&c);
+ void cap(int *p [[clang::lifetime_capture_by(c)]], int *&c);
+ void cap_const(int *p [[clang::lifetime_capture_by(c)]], int *&c) const;
+ static void cap_static(int *p [[clang::lifetime_capture_by(c)]], int *&c);
+
+ template <typename T>
+ void cap_template(T *p [[clang::lifetime_capture_by(c)]], T *&c);
+
+ void cap_overload(int *p [[clang::lifetime_capture_by(c)]], int *&c);
+ void cap_overload(double *p [[clang::lifetime_capture_by(c)]], double *&c);
+
+ void cap_multi(int *p [[clang::lifetime_capture_by(c1, c2)]], int *&c1,
+ int *&c2);
+ void cap_reordered(int *&c, int *p [[clang::lifetime_capture_by(c)]]);
+};
+
+namespace ns {
+void cap_ns(int *p [[clang::lifetime_capture_by(c)]], int *&c);
+} // namespace ns
+
+void test_member_capture_by() {
+ int i;
+ int *c;
+ S s_ctor(&i, c);
+ S s;
+ s.cap(&i, c);
+ s.cap_const(&i, c);
+ S::cap_static(&i, c);
+ s.cap_template(&i, c);
+ s.cap_overload(&i, c);
+ int *c2;
+ s.cap_multi(&i, c, c2);
+ s.cap_reordered(c, &i);
+ ns::cap_ns(&i, c);
+}
----------------
usx95 wrote:
For all the test, please make sure to introduce a use-after-scope to test
whether the loan flow happens correctly.
https://github.com/llvm/llvm-project/pull/212264
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