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 8struct Empty; 9 10struct Empty { 11 Empty(const Empty &e); 12 bool check(); 13}; 14 15bool foo(Empty e) { 16// CHECK: @_Z3foo5Empty(%struct.Empty* %e) 17// CHECK: call {{.*}} @_ZN5Empty5checkEv(%struct.Empty* %e) 18 return e.check(); 19} 20 21void 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