llvm-project/clang/test/CodeGenCXX/cxx1z-eval-order.cpp

272 lines
7.5 KiB
C++

// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple %itanium_abi_triple | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ITANIUM
// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple i686-windows | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-WINDOWS
// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple x86_64-windows | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-WINDOWS
struct B;
struct A {
A();
A(const A&);
void operator[](B b);
int a_member_f(B);
};
struct B {
B();
~B();
};
struct C {
operator int *();
A *operator->();
void operator->*(A);
friend void operator->*(C, B);
friend void operator<<(C, B);
friend void operator>>(C, B);
void operator<<(A);
void operator>>(A);
void operator=(A);
void operator+=(A);
friend void operator+=(C, B);
void operator,(A);
friend void operator,(C, B);
void operator&&(A);
void operator||(A);
friend void operator&&(C, B);
friend void operator||(C, B);
};
A make_a();
A *make_a_ptr();
int A::*make_mem_ptr_a();
void (A::*make_mem_fn_ptr_a())();
B make_b();
C make_c();
void side_effect();
void callee(A);
void (*get_f())(A);
// CHECK-LABEL: define {{.*}}@{{.*}}postfix_before_args{{.*}}(
void postfix_before_args() {
// CHECK: call {{.*}}@{{.*}}get_f{{.*}}(
// CHECK-ITANIUM: call {{.*}}@_ZN1AC1Ev(
// CHECK-WINDOWS: call {{.*}}@"\01??0A@@Q{{AE|EAA}}@XZ"(
// CHECK: call {{.*}}%{{.*}}(
get_f()(A{});
// CHECK: call {{.*}}@{{.*}}side_effect{{.*}}(
// CHECK-ITANIUM: call {{.*}}@_ZN1AC1Ev(
// CHECK-WINDOWS: call {{.*}}@"\01??0A@@Q{{AE|EAA}}@XZ"(
// CHECK: call {{.*}}@{{.*}}callee{{.*}}(
(side_effect(), callee)(A{});
// CHECK: }
}
// CHECK-LABEL: define {{.*}}@{{.*}}dot_lhs_before_rhs{{.*}}(
void dot_lhs_before_rhs() {
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
// CHECK: call {{.*}}@{{.*}}a_member_f{{.*}}(
make_a().a_member_f(make_b());
// CHECK: call {{.*}}@{{.*}}make_a_ptr{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
// CHECK: call {{.*}}@{{.*}}a_member_f{{.*}}(
make_a_ptr()->a_member_f(make_b());
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
// CHECK: call {{.*}}@{{.*}}a_member_f{{.*}}(
make_c()->a_member_f(make_b());
// CHECK: }
}
// CHECK-LABEL: define {{.*}}@{{.*}}array_lhs_before_rhs{{.*}}(
void array_lhs_before_rhs() {
int (&get_arr())[10];
extern int get_index();
// CHECK: call {{.*}}@{{.*}}get_arr{{.*}}(
// CHECK: call {{.*}}@{{.*}}get_index{{.*}}(
get_arr()[get_index()] = 0;
// CHECK: call {{.*}}@{{.*}}get_index{{.*}}(
// CHECK: call {{.*}}@{{.*}}get_arr{{.*}}(
get_index()[get_arr()] = 0;
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
// CHECK: call
make_a()[make_b()];
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}get_index{{.*}}(
// CHECK: call
make_c()[get_index()] = 0;
// CHECK: call {{.*}}@{{.*}}get_index{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call
get_index()[make_c()] = 0;
// CHECK: }
}
void *operator new(decltype(sizeof(0)), C);
// CHECK-LABEL: define {{.*}}@{{.*}}alloc_before_init{{.*}}(
void alloc_before_init() {
struct Q { Q(A) {} };
// CHECK-ITANIUM: call {{.*}}@_Znw{{.*}}(
// CHECK-WINDOWS: call {{.*}}@"\01??2@YAP{{EAX_K|AXI}}@Z"(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
delete new Q(make_a());
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
new (make_c()) Q(make_a());
// CHECK: }
}
// CHECK-LABEL: define {{.*}}@{{.*}}dotstar_lhs_before_rhs{{.*}}(
int dotstar_lhs_before_rhs() {
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_mem_ptr_a{{.*}}(
int a = make_a().*make_mem_ptr_a();
// CHECK: call {{.*}}@{{.*}}make_a_ptr{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_mem_ptr_a{{.*}}(
int b = make_a_ptr()->*make_mem_ptr_a();
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
make_c()->*make_a();
// FIXME: For MS ABI, the order of destruction of parameters here will not be
// reverse construction order (parameters are destroyed left-to-right in the
// callee). That sadly seems unavoidable; the rules are not implementable as
// specified. If we changed parameter destruction order for these functions
// to right-to-left, we could make the destruction order match for all cases
// other than indirect calls, but we can't completely avoid the problem.
//
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
make_c()->*make_b();
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_mem_fn_ptr_a{{.*}}(
// CHECK: call
(make_a().*make_mem_fn_ptr_a())();
// CHECK: call {{.*}}@{{.*}}make_a_ptr{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_mem_fn_ptr_a{{.*}}(
// CHECK: call
(make_a_ptr()->*make_mem_fn_ptr_a())();
return a + b;
// CHECK: }
}
// CHECK-LABEL: define {{.*}}@{{.*}}assign_rhs_before_lhs{{.*}}(
void assign_rhs_before_lhs() {
extern int &lhs_ref(), rhs();
// CHECK: call {{.*}}@{{.*}}rhs{{.*}}(
// CHECK: call {{.*}}@{{.*}}lhs_ref{{.*}}(
lhs_ref() = rhs();
// CHECK: call {{.*}}@{{.*}}rhs{{.*}}(
// CHECK: call {{.*}}@{{.*}}lhs_ref{{.*}}(
lhs_ref() += rhs();
// CHECK: call {{.*}}@{{.*}}rhs{{.*}}(
// CHECK: call {{.*}}@{{.*}}lhs_ref{{.*}}(
lhs_ref() %= rhs();
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
make_c() = make_a();
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
make_c() += make_a();
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
make_c() += make_b();
// CHECK: }
}
// CHECK-LABEL: define {{.*}}@{{.*}}shift_lhs_before_rhs{{.*}}(
void shift_lhs_before_rhs() {
extern int lhs(), rhs();
// CHECK: call {{.*}}@{{.*}}lhs{{.*}}(
// CHECK: call {{.*}}@{{.*}}rhs{{.*}}(
(void)(lhs() << rhs());
// CHECK: call {{.*}}@{{.*}}lhs{{.*}}(
// CHECK: call {{.*}}@{{.*}}rhs{{.*}}(
(void)(lhs() >> rhs());
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
make_c() << make_a();
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
make_c() >> make_a();
// FIXME: This is not correct for Windows ABIs, see above.
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
make_c() << make_b();
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
make_c() >> make_b();
// CHECK: }
}
// CHECK-LABEL: define {{.*}}@{{.*}}comma_lhs_before_rhs{{.*}}(
void comma_lhs_before_rhs() {
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
make_c() , make_a();
// FIXME: This is not correct for Windows ABIs, see above.
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
make_c() , make_b();
}
// CHECK-LABEL: define {{.*}}@{{.*}}andor_lhs_before_rhs{{.*}}(
void andor_lhs_before_rhs() {
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
make_c() && make_a();
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_a{{.*}}(
make_c() || make_a();
// FIXME: This is not correct for Windows ABIs, see above.
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
make_c() && make_b();
// CHECK: call {{.*}}@{{.*}}make_c{{.*}}(
// CHECK: call {{.*}}@{{.*}}make_b{{.*}}(
make_c() || make_b();
}