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
foo(Empty e)15 bool foo(Empty e) {
16 // CHECK: @_Z3foo5Empty(%struct.Empty* %e)
17 // CHECK: call {{.*}} @_ZN5Empty5checkEv(%struct.Empty* %e)
18 return e.check();
19 }
20
caller(Empty & e)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