| // RUN: %clang_cc1 -std=c++0x -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s |
| |
| |
| struct Spacer { int x; }; |
| struct A { double array[2]; }; |
| struct B : Spacer, A { }; |
| |
| B &getB(); |
| |
| // CHECK: define %struct.A* @_Z4getAv() |
| // CHECK: call %struct.B* @_Z4getBv() |
| // CHECK-NEXT: bitcast %struct.B* |
| // CHECK-NEXT: getelementptr i8* |
| // CHECK-NEXT: bitcast i8* {{.*}} to %struct.A* |
| // CHECK-NEXT: ret %struct.A* |
| A &&getA() { return static_cast<A&&>(getB()); } |
| |
| int &getIntLValue(); |
| int &&getIntXValue(); |
| int getIntPRValue(); |
| |
| // CHECK: define i32* @_Z2f0v() |
| // CHECK: call i32* @_Z12getIntLValuev() |
| // CHECK-NEXT: ret i32* |
| int &&f0() { return static_cast<int&&>(getIntLValue()); } |
| |
| // CHECK: define i32* @_Z2f1v() |
| // CHECK: call i32* @_Z12getIntXValuev() |
| // CHECK-NEXT: ret i32* |
| int &&f1() { return static_cast<int&&>(getIntXValue()); } |
| |
| // CHECK: define i32* @_Z2f2v |
| // CHECK: call i32 @_Z13getIntPRValuev() |
| // CHECK-NEXT: store i32 {{.*}}, i32* |
| // CHECK-NEXT: ret i32* |
| int &&f2() { return static_cast<int&&>(getIntPRValue()); } |
| |
| bool ok; |
| |
| class C |
| { |
| int* state_; |
| |
| C(const C&) = delete; |
| C& operator=(const C&) = delete; |
| public: |
| C(int state) : state_(new int(state)) { } |
| |
| C(C&& a) { |
| state_ = a.state_; |
| a.state_ = 0; |
| } |
| |
| ~C() { |
| delete state_; |
| state_ = 0; |
| } |
| }; |
| |
| C test(); |
| |
| // CHECK: define void @_Z15elide_copy_initv |
| void elide_copy_init() { |
| ok = false; |
| // CHECK: call void @_Z4testv |
| C a = test(); |
| // CHECK-NEXT: call void @_ZN1CD1Ev |
| // CHECK-NEXT: ret void |
| } |
| |
| // CHECK: define void @_Z16test_move_returnv |
| C test_move_return() { |
| // CHECK: call void @_ZN1CC1Ei |
| C a1(3); |
| // CHECK: call void @_ZN1CC1Ei |
| C a2(4); |
| if (ok) |
| // CHECK: call void @_ZN1CC1EOS_ |
| return a1; |
| // CHECK: call void @_ZN1CC1EOS_ |
| return a2; |
| // CHECK: call void @_ZN1CD1Ev |
| // CHECK: call void @_ZN1CD1Ev |
| //CHECK: ret void |
| } |