1 | // RUN: %clang_cc1 -triple armv7-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s |
2 | // RUN: %clang_cc1 -triple arm64-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s |
3 | |
4 | // According to the Itanium ABI (3.1.1), types with non-trivial copy |
5 | // constructors passed by value should be passed indirectly, with the caller |
6 | // creating a temporary. |
7 | |
8 | struct Empty; |
9 | |
10 | struct Empty { |
11 | Empty(const Empty &e); |
12 | bool check(); |
13 | }; |
14 | |
15 | bool foo(Empty e) { |
16 | // CHECK: @_Z3foo5Empty(%struct.Empty* %e) |
17 | // CHECK: call {{.*}} @_ZN5Empty5checkEv(%struct.Empty* %e) |
18 | return e.check(); |
19 | } |
20 | |
21 | void caller(Empty &e) { |
22 | // CHECK: @_Z6callerR5Empty(%struct.Empty* dereferenceable({{[0-9]+}}) %e) |
23 | // CHECK: call {{.*}} @_ZN5EmptyC1ERKS_(%struct.Empty* [[NEWTMP:%.*]], %struct.Empty* |
24 | // CHECK: call {{.*}} @_Z3foo5Empty(%struct.Empty* [[NEWTMP]]) |
25 | foo(e); |
26 | } |
27 | |