================
@@ -145,6 +145,110 @@ TEST(LlvmLibcTypeTraitsTest, integral_constant) {
EXPECT_EQ((integral_constant<int, 4>::value), 4);
}
+namespace invoke_detail {
+
+enum State { INIT = 0, A_APPLY_CALLED, B_APPLY_CALLED };
+
+struct A {
+ State state = INIT;
+ virtual ~A() {}
+ virtual void apply() { state = A_APPLY_CALLED; }
+};
+
+struct B : public A {
+ virtual ~B() {}
+ virtual void apply() { state = B_APPLY_CALLED; }
+};
+
+void free_function() {}
+int free_function_return_5() { return 5; }
+int free_function_passtrough(int value) { return value; }
+
+struct Delegate {
+ int (*ptr)(int) = &free_function_passtrough;
+};
+
+template <int tag> struct Tag {
+ static int value() { return tag; }
+};
+
+struct Functor {
+ auto operator()() & { return Tag<0>(); }
+ auto operator()() const & { return Tag<1>(); }
+ auto operator()() && { return Tag<2>(); }
+ auto operator()() const && { return Tag<3>(); }
+};
+
+} // namespace invoke_detail
+
+TEST(LlvmLibcTypeTraitsTest, invoke) {
+ using namespace invoke_detail;
+ { // member function call
+ A a;
+ EXPECT_EQ(a.state, INIT);
+ invoke(&A::apply, a);
+ EXPECT_EQ(a.state, A_APPLY_CALLED);
+ }
+ { // overriden member function call
+ B b;
+ EXPECT_EQ(b.state, INIT);
+ invoke(&A::apply, b);
+ EXPECT_EQ(b.state, B_APPLY_CALLED);
+ }
+ { // free function
+ invoke(&free_function);
+ EXPECT_EQ(invoke(&free_function_return_5), 5);
+ EXPECT_EQ(invoke(&free_function_passtrough, 1), 1);
+ }
+ { // pointer member function call
+ Delegate d;
+ EXPECT_EQ(invoke(&Delegate::ptr, d, 2), 2);
+ }
+ { // Functor with several ref qualifier
----------------
legrosbuffle wrote:
qualifiers
https://github.com/llvm/llvm-project/pull/65750
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