27 lines · cpp
1// RUN: %clang_cc1 -triple armv7-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s2// RUN: %clang_cc1 -triple arm64-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s3 4// According to the Itanium ABI (3.1.1), types with non-trivial copy5// constructors passed by value should be passed indirectly, with the caller6// 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(ptr dead_on_return noundef %e)17// CHECK: call {{.*}} @_ZN5Empty5checkEv(ptr {{[^,]*}} %e)18 return e.check();19}20 21void caller(Empty &e) {22// CHECK: @_Z6callerR5Empty(ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %e)23// CHECK: call {{.*}} @_ZN5EmptyC1ERKS_(ptr {{[^,]*}} [[NEWTMP:%.*]], ptr24// CHECK: call {{.*}} @_Z3foo5Empty(ptr dead_on_return noundef [[NEWTMP]])25 foo(e);26}27