1// RUN: %clang_cc1 -fblocks -disable-llvm-passes -triple x86_64-apple-darwin10 -std=c++17 -emit-llvm -o - %s | FileCheck %s
2
3typedef void (^blk_t)();
4typedef void (*fnptr_t)();
5
6@interface X
7@property blk_t blk;
8@property fnptr_t fnptr;
9@end
10
11template <class T>
12blk_t operator+(blk_t lhs, T) { return lhs; }
13
14template <class T>
15fnptr_t operator+(fnptr_t lhs, T) { return lhs; }
16
17// CHECK-LABEL: define{{.*}} void @_Z2t1P1X
18void t1(X *x) {
19  // Check that we call lambda.operator blk_t(), and that we send that result to
20  // the setter.
21
22  // CHECK: [[CALL:%.*]] = call void ()* @"_ZZ2t1P1XENK3$_0cvU13block_pointerFvvEEv"
23  // CHECK: call void{{.*}}@objc_msgSend{{.*}}({{.*}} void ()* [[CALL]])
24  x.blk = [] {};
25
26  // CHECK: [[CALL2:%.*]] = call void ()* @"_ZZ2t1P1XENK3$_1cvPFvvEEv"
27  // CHECK: call void{{.*}}@objc_msgSend{{.*}}({{.*}} void ()* [[CALL2]])
28  x.fnptr = [] {};
29}
30
31// CHECK-LABEL: define{{.*}} void @_Z2t2P1X
32void t2(X *x) {
33  // Test the case when the lambda isn't unique. (see OpaqueValueExpr::isUnique)
34  // FIXME: This asserts if the lambda isn't trivially copy/movable.
35
36  // [x setBlk: operator+([x blk], [] {})]
37
38  // CHECK: call void{{.*}}@objc_msgSend{{.*}}
39  // CHECK: [[PLUS:%.*]] = call void ()* @"_ZplIZ2t2P1XE3$_2EU13block_pointerFvvES4_T_"
40  // CHECK: call void{{.*}}@objc_msgSend{{.*}}({{.*}} [[PLUS]])
41  x.blk += [] {};
42
43  // CHECK: call void{{.*}}@objc_msgSend{{.*}}
44  // CHECK: [[PLUS:%.*]] = call void ()* @"_ZplIZ2t2P1XE3$_3EPFvvES4_T_"
45  // CHECK: call void{{.*}}@objc_msgSend{{.*}}({{.*}} [[PLUS]])
46  x.fnptr += [] {};
47}
48