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