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
