xref: /aosp_15_r20/external/clang/test/CodeGenObjCXX/nrvo.mm (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li// RUN: %clang_cc1 -emit-llvm -o - -fblocks %s -O1 -triple x86_64-apple-darwin10.0.0 -fobjc-runtime=macosx-fragile-10.5 | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li// PR10835 / <rdar://problem/10050178>
4*67e74705SXin Listruct X {
5*67e74705SXin Li  X();
6*67e74705SXin Li  X(const X&);
7*67e74705SXin Li  ~X();
8*67e74705SXin Li};
9*67e74705SXin Li
10*67e74705SXin Li@interface NRVO
11*67e74705SXin Li@end
12*67e74705SXin Li
13*67e74705SXin Li@implementation NRVO
14*67e74705SXin Li// CHECK: define internal void @"\01-[NRVO getNRVO]"
15*67e74705SXin Li- (X)getNRVO {
16*67e74705SXin Li  X x;
17*67e74705SXin Li  // CHECK: tail call void @_ZN1XC1Ev
18*67e74705SXin Li  // CHECK-NEXT: ret void
19*67e74705SXin Li  return x;
20*67e74705SXin Li}
21*67e74705SXin Li@end
22*67e74705SXin Li
23*67e74705SXin LiX blocksNRVO() {
24*67e74705SXin Li  return ^{
25*67e74705SXin Li    // CHECK-LABEL: define internal void @___Z10blocksNRVOv_block_invoke
26*67e74705SXin Li    X x;
27*67e74705SXin Li    // CHECK: tail call void @_ZN1XC1Ev
28*67e74705SXin Li    // CHECK-NEXT: ret void
29*67e74705SXin Li    return x;
30*67e74705SXin Li  }() ;
31*67e74705SXin Li}
32*67e74705SXin Li
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