Richard Smith | 762bb9d | 2011-10-13 22:29:44 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s |
Douglas Gregor | 88b22a4 | 2011-01-25 16:13:26 +0000 | [diff] [blame] | 2 | |
| 3 | |
| 4 | struct Spacer { int x; }; |
| 5 | struct A { double array[2]; }; |
| 6 | struct B : Spacer, A { }; |
| 7 | |
| 8 | B &getB(); |
| 9 | |
| 10 | // CHECK: define %struct.A* @_Z4getAv() |
| 11 | // CHECK: call %struct.B* @_Z4getBv() |
| 12 | // CHECK-NEXT: bitcast %struct.B* |
| 13 | // CHECK-NEXT: getelementptr i8* |
| 14 | // CHECK-NEXT: bitcast i8* {{.*}} to %struct.A* |
| 15 | // CHECK-NEXT: ret %struct.A* |
| 16 | A &&getA() { return static_cast<A&&>(getB()); } |
| 17 | |
| 18 | int &getIntLValue(); |
| 19 | int &&getIntXValue(); |
| 20 | int getIntPRValue(); |
| 21 | |
| 22 | // CHECK: define i32* @_Z2f0v() |
| 23 | // CHECK: call i32* @_Z12getIntLValuev() |
| 24 | // CHECK-NEXT: ret i32* |
| 25 | int &&f0() { return static_cast<int&&>(getIntLValue()); } |
| 26 | |
| 27 | // CHECK: define i32* @_Z2f1v() |
| 28 | // CHECK: call i32* @_Z12getIntXValuev() |
| 29 | // CHECK-NEXT: ret i32* |
| 30 | int &&f1() { return static_cast<int&&>(getIntXValue()); } |
| 31 | |
| 32 | // CHECK: define i32* @_Z2f2v |
| 33 | // CHECK: call i32 @_Z13getIntPRValuev() |
| 34 | // CHECK-NEXT: store i32 {{.*}}, i32* |
| 35 | // CHECK-NEXT: ret i32* |
| 36 | int &&f2() { return static_cast<int&&>(getIntPRValue()); } |
Douglas Gregor | b3d5e2f | 2011-01-27 23:22:05 +0000 | [diff] [blame] | 37 | |
| 38 | bool ok; |
| 39 | |
| 40 | class C |
| 41 | { |
| 42 | int* state_; |
| 43 | |
| 44 | C(const C&) = delete; |
| 45 | C& operator=(const C&) = delete; |
| 46 | public: |
| 47 | C(int state) : state_(new int(state)) { } |
| 48 | |
| 49 | C(C&& a) { |
| 50 | state_ = a.state_; |
| 51 | a.state_ = 0; |
| 52 | } |
| 53 | |
| 54 | ~C() { |
| 55 | delete state_; |
| 56 | state_ = 0; |
| 57 | } |
| 58 | }; |
| 59 | |
| 60 | C test(); |
| 61 | |
| 62 | // CHECK: define void @_Z15elide_copy_initv |
| 63 | void elide_copy_init() { |
| 64 | ok = false; |
Douglas Gregor | 70a21de | 2011-01-27 23:24:55 +0000 | [diff] [blame] | 65 | // CHECK: call void @_Z4testv |
Douglas Gregor | b3d5e2f | 2011-01-27 23:22:05 +0000 | [diff] [blame] | 66 | C a = test(); |
Douglas Gregor | 70a21de | 2011-01-27 23:24:55 +0000 | [diff] [blame] | 67 | // CHECK-NEXT: call void @_ZN1CD1Ev |
| 68 | // CHECK-NEXT: ret void |
Douglas Gregor | b3d5e2f | 2011-01-27 23:22:05 +0000 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | // CHECK: define void @_Z16test_move_returnv |
| 72 | C test_move_return() { |
| 73 | // CHECK: call void @_ZN1CC1Ei |
| 74 | C a1(3); |
| 75 | // CHECK: call void @_ZN1CC1Ei |
| 76 | C a2(4); |
| 77 | if (ok) |
| 78 | // CHECK: call void @_ZN1CC1EOS_ |
| 79 | return a1; |
| 80 | // CHECK: call void @_ZN1CC1EOS_ |
| 81 | return a2; |
| 82 | // CHECK: call void @_ZN1CD1Ev |
| 83 | // CHECK: call void @_ZN1CD1Ev |
| 84 | //CHECK: ret void |
| 85 | } |
John McCall | 2148011 | 2011-08-30 00:57:29 +0000 | [diff] [blame] | 86 | |
| 87 | // PR10800: don't crash |
| 88 | namespace test1 { |
| 89 | int &&move(int&); |
| 90 | |
| 91 | struct A { A(int); }; |
| 92 | struct B { |
| 93 | A a; |
| 94 | B(int i); |
| 95 | }; |
| 96 | |
| 97 | // CHECK: define void @_ZN5test11BC2Ei( |
| 98 | // CHECK: [[T0:%.*]] = call i32* @_ZN5test14moveERi( |
| 99 | // CHECK-NEXT: [[T1:%.*]] = load i32* [[T0]] |
| 100 | // CHECK-NEXT: call void @_ZN5test11AC1Ei({{.*}}, i32 [[T1]]) |
| 101 | // CHECK-NEXT: ret void |
| 102 | B::B(int i) : a(move(i)) {} |
| 103 | } |
Eli Friedman | 8ed3ade | 2011-09-27 18:55:06 +0000 | [diff] [blame] | 104 | |
| 105 | // PR11009 |
| 106 | struct MoveConvertible { |
| 107 | operator int&& () const; |
| 108 | }; |
| 109 | void moveConstruct() { |
| 110 | (void)(int)MoveConvertible(); |
| 111 | } |