1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -O2 -std=c++11 -disable-llvm-optzns -o - %s | FileCheck %s
3 // define void @_Z11simple_moveRU8__strongP11objc_objectS2_
4 void simple_move(__strong id &x, __strong id &y) {
6 // CHECK: store i8* null
9 // CHECK-NEXT: call void @objc_release
10 x = static_cast<__strong id&&>(y);
11 // CHECK-NEXT: ret void
15 struct remove_reference {
20 struct remove_reference<T&> {
25 struct remove_reference<T&&> {
30 typename remove_reference<T>::type&& move(T &&x) {
31 return static_cast<typename remove_reference<T>::type&&>(x);
34 // CHECK-LABEL: define void @_Z12library_moveRU8__strongP11objc_objectS2_
35 void library_move(__strong id &x, __strong id &y) {
36 // CHECK: call i8** @_Z4moveIRU8__strongP11objc_objectEON16remove_referenceIT_E4typeEOS5_
38 // CHECK: store i8* null, i8**
40 // CHECK-NEXT: load i8**
41 // CHECK-NEXT: store i8*
42 // CHECK-NEXT: call void @objc_release
43 // CHECK-NEXT: ret void
47 // CHECK-LABEL: define void @_Z12library_moveRU8__strongP11objc_object
48 void library_move(__strong id &y) {
49 // CHECK: [[Y:%[a-zA-Z0-9]+]] = call i8** @_Z4moveIRU8__strongP11objc_objectEON16remove_referenceIT_E4typeEOS5_
51 // CHECK-NEXT: [[OBJ:%[a-zA-Z0-9]+]] = load i8** [[Y]]
53 // CHECK-NEXT: store i8* null, i8** [[Y]]
54 // Initialize x with the object
55 // CHECK-NEXT: store i8* [[OBJ]], i8** [[X:%[a-zA-Z0-9]+]]
58 // CHECK-NEXT: store i32 17
60 // CHECK-NEXT: [[OBJ:%[a-zA-Z0-9]+]] = load i8** [[X]]
61 // CHECK-NEXT: call void @objc_release(i8* [[OBJ]])
62 // CHECK-NEXT: ret void
65 // CHECK-LABEL: define void @_Z10const_moveRKU8__strongP11objc_object(
66 void const_move(const __strong id &x) {
67 // CHECK: [[Y:%.*]] = alloca i8*,
68 // CHECK: [[X:%.*]] = call i8** @_Z4moveIRKU8__strongP11objc_objectEON16remove_referenceIT_E4typeEOS5_(
69 // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]]
70 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
71 // CHECK-NEXT: store i8* [[T1]], i8** [[Y]]
72 // CHECK-NEXT: [[T0:%.*]] = load i8** [[Y]]
73 // CHECK-NEXT: call void @objc_release(i8* [[T0]])