clang/test/Modules/cxx-decls.cpp

   1 // RUN: rm -rf %t
   2 // RUN: %clang_cc1 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs %s -verify -std=c++11
   3 // RUN: %clang_cc1 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs %s -ast-dump -ast-dump-filter merge -std=c++11 | FileCheck %s
   4
   5 // expected-no-diagnostics
   6
   7 void use_implicit_new() { operator new[](3); }
   8
   9 @import dummy;
  10 @import cxx_decls.imported;
  11
  12 void test_delete(int *p) {
  13   // We can call the normal global deallocation function even though it has only
  14   // ever been explicitly declared in an unimported submodule.
  15   delete p;
  16 }
  17
  18 void friend_1(HasFriends s) {
  19   s.private_thing();
  20 }
  21 void test_friends(HasFriends s) {
  22   friend_1(s);
  23   friend_2(s);
  24 }
  25
  26 static_assert(!__is_trivial(HasNontrivialDefaultConstructor), "");
  27 static_assert(!__has_trivial_constructor(HasNontrivialDefaultConstructor), "");
  28
  29 void use_implicit_new_again() { operator new[](3); }
  30
  31 int importMergeUsedFlag = getMergeUsedFlag();
  32
  33 int use_name_for_linkage(NameForLinkage &nfl) {
  34   return nfl.n + nfl.m;
  35 }
  36 int use_overrides_virtual_functions(OverridesVirtualFunctions ovf) { return 0; }
  37
  38 @import cxx_decls_merged;
  39
  40 NameForLinkage2Inner use_name_for_linkage2_inner;
  41 NameForLinkage2 use_name_for_linkage2;
  42
  43 int name_for_linkage_test = use_name_for_linkage(name_for_linkage);
  44 int overrides_virtual_functions_test =
  45     use_overrides_virtual_functions(overrides_virtual_functions);
  46
  47 void use_extern_c_function() { ExternCFunction(); }
  48
  49 int use_namespace_alias() { return Alias::a + Alias::b; }
  50
  51 @import cxx_decls_premerged;
  52
  53 void use_extern_c_function_2() { ExternCFunction(); }
  54
  55 InhCtorB inhctorb(2);
  56
  57 // CHECK: VarDecl [[mergeUsedFlag:0x[0-9a-f]*]] {{.*}} in cxx_decls.imported used mergeUsedFlag
  58 // CHECK: VarDecl {{0x[0-9a-f]*}} prev [[mergeUsedFlag]] {{.*}} in cxx_decls_merged used mergeUsedFlag