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-rw-r--r--test/CXX/modules-ts/basic/basic.def.odr/p4/module.cpp23
-rw-r--r--test/CXX/modules-ts/basic/basic.def.odr/p4/module.cppm43
-rw-r--r--test/CXX/modules-ts/basic/basic.def.odr/p4/user.cpp6
-rw-r--r--test/CXX/modules-ts/basic/basic.def.odr/p6/global-vs-module.cpp55
-rw-r--r--test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-global.cpp19
-rw-r--r--test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-module.cpp44
-rw-r--r--test/CXX/modules-ts/basic/basic.link/module-declaration.cpp13
-rw-r--r--test/CXX/modules-ts/basic/basic.link/p3.cppm11
-rw-r--r--test/CXX/modules-ts/basic/basic.search/module-import.cpp39
-rw-r--r--test/CXX/modules-ts/codegen-basics.cppm16
-rw-r--r--test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.export/p1.cpp40
-rw-r--r--test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.import/p1.cpp14
-rw-r--r--test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.interface/p1.cpp13
-rw-r--r--test/CXX/modules-ts/dcl.dcl/dcl.module/p1.cpp14
-rw-r--r--test/CXX/modules-ts/dcl.dcl/dcl.module/p2.cpp6
15 files changed, 298 insertions, 58 deletions
diff --git a/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cpp b/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cpp
index dc6a3635a8ee..79e68655b45b 100644
--- a/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cpp
+++ b/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cpp
@@ -2,17 +2,14 @@
// RUN: %clang_cc1 -fmodules-ts %s -triple %itanium_abi_triple -fmodule-file=%t -emit-llvm -o - | FileCheck %s --implicit-check-not=unused --implicit-check-not=global_module
// CHECK-DAG: @extern_var_exported = external global
-// FIXME: Should this be 'external global'?
// CHECK-DAG: @inline_var_exported = linkonce_odr global
-// CHECK-DAG: @_ZL19static_var_exported = external global
-// CHECK-DAG: @const_var_exported = external constant
+// CHECK-DAG: @_ZW6ModuleE19static_var_exported = available_externally global i32 0,
+// CHECK-DAG: @const_var_exported = available_externally constant i32 3,
//
-// FIXME: The module name should be mangled into all of these.
-// CHECK-DAG: @extern_var_module_linkage = external global
-// FIXME: Should this be 'external global'?
-// CHECK-DAG: @inline_var_module_linkage = linkonce_odr global
-// CHECK-DAG: @_ZL25static_var_module_linkage = external global
-// CHECK-DAG: @_ZL24const_var_module_linkage = external constant
+// CHECK-DAG: @_ZW6ModuleE25extern_var_module_linkage = external global
+// CHECK-DAG: @_ZW6ModuleE25inline_var_module_linkage = linkonce_odr global
+// CHECK-DAG: @_ZW6ModuleE25static_var_module_linkage = available_externally global i32 0,
+// CHECK-DAG: @_ZW6ModuleE24const_var_module_linkage = available_externally constant i32 3,
module Module;
@@ -28,15 +25,13 @@ void use() {
(void)&const_var_exported;
// FIXME: This symbol should not be visible here.
- // CHECK: declare {{.*}}@_ZL26used_static_module_linkagev
+ // CHECK: declare {{.*}}@_ZW6ModuleE26used_static_module_linkagev
used_static_module_linkage();
- // FIXME: The module name should be mangled into the name of this function.
- // CHECK: define linkonce_odr {{.*}}@_Z26used_inline_module_linkagev
+ // CHECK: define linkonce_odr {{.*}}@_ZW6ModuleE26used_inline_module_linkagev
used_inline_module_linkage();
- // FIXME: The module name should be mangled into the name of this function.
- // CHECK: declare {{.*}}@_Z24noninline_module_linkagev
+ // CHECK: declare {{.*}}@_ZW6ModuleE24noninline_module_linkagev
noninline_module_linkage();
(void)&extern_var_module_linkage;
diff --git a/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cppm b/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cppm
index d452f741a0fb..15d1114fb03f 100644
--- a/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cppm
+++ b/test/CXX/modules-ts/basic/basic.def.odr/p4/module.cppm
@@ -11,17 +11,20 @@
// can discard this global and its initializer (if any), and other TUs are not
// permitted to run the initializer for this variable.
// CHECK-DAG: @inline_var_exported = linkonce_odr global
-// CHECK-DAG: @_ZL19static_var_exported = global
+// CHECK-DAG: @_ZW6ModuleE19static_var_exported = global
// CHECK-DAG: @const_var_exported = constant
//
-// FIXME: The module name should be mangled into all of these.
-// CHECK-DAG: @extern_var_module_linkage = external global
+// CHECK-DAG: @_ZW6ModuleE25extern_var_module_linkage = external global
// FIXME: Should this be 'weak_odr global'? Presumably it must be, since we
// can discard this global and its initializer (if any), and other TUs are not
// permitted to run the initializer for this variable.
-// CHECK-DAG: @inline_var_module_linkage = linkonce_odr global
-// CHECK-DAG: @_ZL25static_var_module_linkage = global
-// CHECK-DAG: @_ZL24const_var_module_linkage = constant
+// CHECK-DAG: @_ZW6ModuleE25inline_var_module_linkage = linkonce_odr global
+// CHECK-DAG: @_ZW6ModuleE25static_var_module_linkage = global
+// CHECK-DAG: @_ZW6ModuleE24const_var_module_linkage = constant
+//
+// CHECK-DAG: @_ZW6ModuleE25unused_var_module_linkage = global i32 4
+// CHECK-DAG: @_ZW6ModuleE32unused_static_var_module_linkage = global i32 5
+// CHECK-DAG: @_ZW6ModuleE31unused_const_var_module_linkage = constant i32 7
static void unused_static_global_module() {}
static void used_static_global_module() {}
@@ -57,9 +60,9 @@ export module Module;
export {
// FIXME: These should be ill-formed: you can't export an internal linkage
// symbol, per [dcl.module.interface]p2.
- // CHECK: define void {{.*}}@_ZL22unused_static_exportedv
+ // CHECK: define void {{.*}}@_ZW6ModuleE22unused_static_exportedv
static void unused_static_exported() {}
- // CHECK: define void {{.*}}@_ZL20used_static_exportedv
+ // CHECK: define void {{.*}}@_ZW6ModuleE20used_static_exportedv
static void used_static_exported() {}
inline void unused_inline_exported() {}
@@ -88,11 +91,9 @@ export {
// FIXME: Ideally we wouldn't emit this as its name is not visible outside this
// TU, but this module interface might contain a template that can use this
// function so we conservatively emit it for now.
-// FIXME: The module name should be mangled into the name of this function.
-// CHECK: define void {{.*}}@_ZL28unused_static_module_linkagev
+// CHECK: define void {{.*}}@_ZW6ModuleE28unused_static_module_linkagev
static void unused_static_module_linkage() {}
-// FIXME: The module name should be mangled into the name of this function.
-// CHECK: define void {{.*}}@_ZL26used_static_module_linkagev
+// CHECK: define void {{.*}}@_ZW6ModuleE26used_static_module_linkagev
static void used_static_module_linkage() {}
inline void unused_inline_module_linkage() {}
@@ -103,12 +104,10 @@ inline int inline_var_module_linkage;
static int static_var_module_linkage;
const int const_var_module_linkage = 3;
-// FIXME: The module name should be mangled into the name of this function.
-// CHECK: define void {{.*}}@_Z24noninline_module_linkagev
+// CHECK: define void {{.*}}@_ZW6ModuleE24noninline_module_linkagev
void noninline_module_linkage() {
used_static_module_linkage();
- // FIXME: The module name should be mangled into the name of this function.
- // CHECK: define linkonce_odr {{.*}}@_Z26used_inline_module_linkagev
+ // CHECK: define linkonce_odr {{.*}}@_ZW6ModuleE26used_inline_module_linkagev
used_inline_module_linkage();
(void)&extern_var_module_linkage;
@@ -116,3 +115,15 @@ void noninline_module_linkage() {
(void)&static_var_module_linkage;
(void)&const_var_module_linkage;
}
+
+int unused_var_module_linkage = 4;
+static int unused_static_var_module_linkage = 5;
+inline int unused_inline_var_module_linkage = 6;
+const int unused_const_var_module_linkage = 7;
+
+struct a {
+ struct b {};
+ struct c {};
+};
+// CHECK: define void @_ZW6ModuleE1fW_0EN1a1bEW_0ENS_1cE(
+void f(a::b, a::c) {}
diff --git a/test/CXX/modules-ts/basic/basic.def.odr/p4/user.cpp b/test/CXX/modules-ts/basic/basic.def.odr/p4/user.cpp
index f6e0238c6b4b..5e9f7ecf5bab 100644
--- a/test/CXX/modules-ts/basic/basic.def.odr/p4/user.cpp
+++ b/test/CXX/modules-ts/basic/basic.def.odr/p4/user.cpp
@@ -2,11 +2,9 @@
// RUN: %clang_cc1 -fmodules-ts %s -triple %itanium_abi_triple -fmodule-file=%t -emit-llvm -o - | FileCheck %s --implicit-check-not=unused --implicit-check-not=global_module
// CHECK-DAG: @extern_var_exported = external global
-// FIXME: Should this be 'external global'?
// CHECK-DAG: @inline_var_exported = linkonce_odr global
-// FIXME: These should be 'extern global' and 'extern constant'.
-// CHECK-DAG: @_ZL19static_var_exported = global
-// CHECK-DAG: @const_var_exported = constant
+// CHECK-DAG: @_ZW6ModuleE19static_var_exported = available_externally global i32 0
+// CHECK-DAG: @const_var_exported = available_externally constant i32 3
import Module;
diff --git a/test/CXX/modules-ts/basic/basic.def.odr/p6/global-vs-module.cpp b/test/CXX/modules-ts/basic/basic.def.odr/p6/global-vs-module.cpp
new file mode 100644
index 000000000000..cceca5106cae
--- /dev/null
+++ b/test/CXX/modules-ts/basic/basic.def.odr/p6/global-vs-module.cpp
@@ -0,0 +1,55 @@
+// RUN: %clang_cc1 -fmodules-ts -verify -std=c++17 %s
+// RUN: %clang_cc1 -fmodules-ts -verify -std=c++17 %s -DEXPORT
+// RUN: %clang_cc1 -fmodules-ts -verify -std=c++17 %s -DUSING
+
+#ifndef NO_GLOBAL
+extern int var; // expected-note {{previous declaration is here}}
+int func(); // expected-note {{previous declaration is here}}
+struct str; // expected-note {{previous declaration is here}}
+using type = int;
+
+template<typename> extern int var_tpl; // expected-note {{previous declaration is here}}
+template<typename> int func_tpl(); // expected-note-re {{{{previous declaration is here|target of using declaration}}}}
+template<typename> struct str_tpl; // expected-note {{previous declaration is here}}
+template<typename> using type_tpl = int; // expected-note {{previous declaration is here}}
+
+typedef int type;
+namespace ns { using ::func; }
+namespace ns_alias = ns;
+#endif
+
+export module M;
+
+#ifdef USING
+using ::var;
+using ::func;
+using ::str;
+using ::type;
+using ::var_tpl;
+using ::func_tpl; // expected-note {{using declaration}}
+using ::str_tpl;
+using ::type_tpl;
+#endif
+
+#ifdef EXPORT
+export {
+#endif
+
+extern int var; // expected-error {{declaration of 'var' in module M follows declaration in the global module}}
+int func(); // expected-error {{declaration of 'func' in module M follows declaration in the global module}}
+struct str; // expected-error {{declaration of 'str' in module M follows declaration in the global module}}
+using type = int;
+
+template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in module M follows declaration in the global module}}
+// FIXME: Is this the right diagnostic in the -DUSING case?
+template<typename> int func_tpl(); // expected-error-re {{{{declaration of 'func_tpl' in module M follows declaration in the global module|conflicts with target of using declaration}}}}
+template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in module M follows declaration in the global module}}
+template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in module M follows declaration in the global module}}
+
+typedef int type;
+namespace ns { using ::func; }
+namespace ns_alias = ns;
+
+#ifdef EXPORT
+}
+#endif
diff --git a/test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-global.cpp b/test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-global.cpp
new file mode 100644
index 000000000000..f58506dd9c46
--- /dev/null
+++ b/test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-global.cpp
@@ -0,0 +1,19 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules-ts -emit-module-interface -std=c++17 %S/global-vs-module.cpp -o %t -DNO_GLOBAL -DEXPORT
+// RUN: %clang_cc1 -fmodules-ts -verify -std=c++17 %s -fmodule-file=%t
+
+import M;
+
+extern int var; // expected-error {{declaration of 'var' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:38 {{previous}}
+int func(); // expected-error {{declaration of 'func' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:39 {{previous}}
+struct str; // expected-error {{declaration of 'str' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:40 {{previous}}
+using type = int;
+
+template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:43 {{previous}}
+template<typename> int func_tpl(); // expected-error {{declaration of 'func_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:45 {{previous}}
+template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:46 {{previous}}
+template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in the global module follows declaration in module M}} expected-note@global-vs-module.cpp:47 {{previous}}
+
+typedef int type;
+namespace ns { using ::func; }
+namespace ns_alias = ns;
diff --git a/test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-module.cpp b/test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-module.cpp
new file mode 100644
index 000000000000..39e210c4ad80
--- /dev/null
+++ b/test/CXX/modules-ts/basic/basic.def.odr/p6/module-vs-module.cpp
@@ -0,0 +1,44 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+//
+// Some of the following tests intentionally have no -verify in their RUN
+// lines; we are testing that those cases do not produce errors.
+//
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %S/global-vs-module.cpp -emit-module-interface -o %t/M.pcm -DNO_GLOBAL -DEXPORT
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -DMODULE_INTERFACE -verify
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -DMODULE_INTERFACE -DNO_IMPORT
+//
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -emit-module-interface -o %t/N.pcm -DMODULE_INTERFACE -DNO_ERRORS
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N.pcm -verify
+// FIXME: Once we start importing "import" declarations properly, this should
+// be rejected (-verify should be added to the following line).
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N.pcm -DNO_IMPORT
+//
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -emit-module-interface -o %t/N-no-M.pcm -DMODULE_INTERFACE -DNO_ERRORS -DNO_IMPORT
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N-no-M.pcm -verify
+// RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N-no-M.pcm -DNO_IMPORT
+
+#ifdef MODULE_INTERFACE
+export
+#endif
+module N;
+
+#ifndef NO_IMPORT
+import M;
+#endif
+
+#ifndef NO_ERRORS
+extern int var; // expected-error {{declaration of 'var' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:38 {{previous}}
+int func(); // expected-error {{declaration of 'func' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:39 {{previous}}
+struct str; // expected-error {{declaration of 'str' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:40 {{previous}}
+using type = int;
+
+template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:43 {{previous}}
+template<typename> int func_tpl(); // expected-error {{declaration of 'func_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:45 {{previous}}
+template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:46 {{previous}}
+template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:47 {{previous}}
+
+typedef int type;
+namespace ns { using ::func; }
+namespace ns_alias = ns;
+#endif
diff --git a/test/CXX/modules-ts/basic/basic.link/module-declaration.cpp b/test/CXX/modules-ts/basic/basic.link/module-declaration.cpp
index ee696d14585c..feb0afdda07b 100644
--- a/test/CXX/modules-ts/basic/basic.link/module-declaration.cpp
+++ b/test/CXX/modules-ts/basic/basic.link/module-declaration.cpp
@@ -9,7 +9,6 @@
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface -fmodule-file=%t/x.pcm %t/x.y.cppm -o %t/x.y.pcm
//
// Module implementation for unknown and known module. (The former is ill-formed.)
-// FIXME: TEST=1 should fail because we don't have an interface for module z.
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
// RUN: -DTEST=1 -DEXPORT= -DPARTITION= -DMODULE_NAME=z
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
@@ -32,24 +31,26 @@
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
// RUN: -DTEST=7 -DEXPORT= -DPARTITION=elderberry -DMODULE_NAME=z
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
-// RUN: -DTEST=8 -DEXPORT= -DPARTITION= -DMODULE_NAME='z [[]]'
+// RUN: -DTEST=8 -DEXPORT=export -DPARTITION= -DMODULE_NAME='z [[]]'
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
-// RUN: -DTEST=9 -DEXPORT= -DPARTITION= -DMODULE_NAME='z [[fancy]]'
+// RUN: -DTEST=9 -DEXPORT=export -DPARTITION= -DMODULE_NAME='z [[fancy]]'
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
-// RUN: -DTEST=10 -DEXPORT= -DPARTITION= -DMODULE_NAME='z [[maybe_unused]]'
+// RUN: -DTEST=10 -DEXPORT=export -DPARTITION= -DMODULE_NAME='z [[maybe_unused]]'
EXPORT module PARTITION MODULE_NAME;
#if TEST == 4
// expected-error@-2 {{redefinition of module 'x'}}
-// expected-note-re@module-declaration.cpp:* {{loaded from '{{.*}}/x.pcm'}}
+// expected-note-re@module-declaration.cpp:* {{loaded from '{{.*[/\\]}}x.pcm'}}
#elif TEST == 6
// expected-error@-5 {{module partition must be declared 'export'}}
#elif TEST == 7
-// expected-error@-7 {{expected ';'}} expected-error@-7 {{requires a type specifier}}
+// expected-error@-7 {{expected ';'}} expected-error@-7 {{requires a type specifier}} expected-error@-7 {{definition of module 'elderberry' is not available}}
#elif TEST == 9
// expected-warning@-9 {{unknown attribute 'fancy' ignored}}
#elif TEST == 10
// expected-error-re@-11 {{'maybe_unused' attribute cannot be applied to a module{{$}}}}
+#elif TEST == 1
+// expected-error@-13 {{definition of module 'z' is not available}}
#else
// expected-no-diagnostics
#endif
diff --git a/test/CXX/modules-ts/basic/basic.link/p3.cppm b/test/CXX/modules-ts/basic/basic.link/p3.cppm
new file mode 100644
index 000000000000..8ff141c5ff6b
--- /dev/null
+++ b/test/CXX/modules-ts/basic/basic.link/p3.cppm
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -fmodules-ts -triple x86_64-linux %s -emit-module-interface -o %t
+// RUN: %clang_cc1 -fmodules-ts -triple x86_64-linux -x pcm %t -emit-llvm -o - | FileCheck %s
+
+export module M;
+
+// CHECK-DAG: @_ZW1ME1a = constant i32 1
+const int a = 1;
+// CHECK-DAG: @b = constant i32 2
+export const int b = 2;
+
+export int f() { return a + b; }
diff --git a/test/CXX/modules-ts/basic/basic.search/module-import.cpp b/test/CXX/modules-ts/basic/basic.search/module-import.cpp
new file mode 100644
index 000000000000..0b5f39d072a3
--- /dev/null
+++ b/test/CXX/modules-ts/basic/basic.search/module-import.cpp
@@ -0,0 +1,39 @@
+// Tests for imported module search.
+//
+// RUN: rm -rf %t
+// RUN: mkdir -p %t
+// RUN: echo 'export module x; int a, b;' > %t/x.cppm
+// RUN: echo 'export module y; import x; int c;' > %t/y.cppm
+// RUN: echo 'export module z; import y; int d;' > %t/z.cppm
+//
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface %t/x.cppm -o %t/x.pcm
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface -fmodule-file=%t/x.pcm %t/y.cppm -o %t/y.pcm
+//
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.pcm -verify %s \
+// RUN: -DMODULE_NAME=x
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/y.pcm -verify %s \
+// RUN: -DMODULE_NAME=y
+//
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=x=%t/x.pcm -verify %s \
+// RUN: -DMODULE_NAME=x
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=y=%t/y.pcm -verify %s \
+// RUN: -DMODULE_NAME=y
+//
+// RUN: mv %t/x.pcm %t/a.pcm
+//
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=x=%t/a.pcm -verify %s \
+// RUN: -DMODULE_NAME=x
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/y.pcm -fmodule-file=x=%t/a.pcm -verify %s \
+// RUN: -DMODULE_NAME=y
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=y=%t/y.pcm -fmodule-file=x=%t/a.pcm -verify %s \
+// RUN: -DMODULE_NAME=y
+//
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface -fmodule-file=y=%t/y.pcm -fmodule-file=x=%t/a.pcm %t/z.cppm -o %t/z.pcm
+//
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=z=%t/z.pcm -fmodule-file=y=%t/y.pcm -fmodule-file=x=%t/a.pcm -verify %s \
+// RUN: -DMODULE_NAME=z
+//
+
+import MODULE_NAME;
+
+// expected-no-diagnostics
diff --git a/test/CXX/modules-ts/codegen-basics.cppm b/test/CXX/modules-ts/codegen-basics.cppm
index d1552d9edd26..a85e12df26f6 100644
--- a/test/CXX/modules-ts/codegen-basics.cppm
+++ b/test/CXX/modules-ts/codegen-basics.cppm
@@ -4,20 +4,18 @@
export module FooBar;
export {
- // CHECK-LABEL: define i32 @_Z1fv(
+ // CHECK-DAG: define i32 @_Z1fv(
int f() { return 0; }
}
-// CHECK-LABEL: define weak_odr void @_Z2f2v(
+// CHECK-DAG: define weak_odr void @_ZW6FooBarE2f2v(
inline void f2() { }
-// FIXME: Emit global variables and their initializers with this TU.
-// Emit an initialization function that other TUs can call, with guard variable.
-
-// FIXME: Mangle non-exported symbols so they don't collide with
-// non-exported symbols from other modules?
+// CHECK-DAG: define void @_ZW6FooBarE2f3v(
+static void f3() {}
+export void use_f3() { f3(); }
-// FIXME: Formally-internal-linkage symbols that are used from an exported
-// symbol need a mangled name and external linkage.
+// FIXME: Emit global variables and their initializers with this TU.
+// Emit an initialization function that other TUs can call, with guard variable?
// FIXME: const-qualified variables don't have implicit internal linkage when owned by a module.
diff --git a/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.export/p1.cpp b/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.export/p1.cpp
new file mode 100644
index 000000000000..ab8c690441ca
--- /dev/null
+++ b/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.export/p1.cpp
@@ -0,0 +1,40 @@
+// RUN: rm -rf %t
+// RUN: mkdir -p %t
+//
+// RUN: echo 'export module a; export class A{};' | %clang_cc1 -x c++ -fmodules-ts -emit-module-interface - -o %t/a.pcm
+// RUN: echo 'export module b; export class B{};' | %clang_cc1 -x c++ -fmodules-ts -emit-module-interface - -o %t/b.pcm
+// RUN: echo 'export module c; export class C{};' | %clang_cc1 -x c++ -fmodules-ts -emit-module-interface - -o %t/c.pcm
+//
+// RUN: %clang_cc1 -fmodules-ts -fprebuilt-module-path=%t -emit-module-interface %s -o %t/aggregate.internal.pcm -DAGGREGATE_INTERNAL
+// RUN: %clang_cc1 -fmodules-ts -fprebuilt-module-path=%t -emit-module-interface %s -o %t/aggregate.pcm -DAGGREGATE
+//
+// RUN: %clang_cc1 -fmodules-ts -fprebuilt-module-path=%t %s -verify -DTEST
+// expected-no-diagnostics
+
+
+#ifdef AGGREGATE_INTERNAL
+export module aggregate.internal;
+export import a;
+export {
+ import b;
+ import c;
+}
+#endif
+
+
+// Export the above aggregate module.
+// This is done to ensure that re-exports are transitive.
+#ifdef AGGREGATE
+export module aggregate;
+export import aggregate.internal;
+#endif
+
+
+// For the actual test, just try using the classes from the exported modules
+// and hope that they're accessible.
+#ifdef TEST
+import aggregate;
+A a;
+B b;
+C c;
+#endif
diff --git a/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.import/p1.cpp b/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.import/p1.cpp
index aad31b4b46d1..15900c1f6a3a 100644
--- a/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.import/p1.cpp
+++ b/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.import/p1.cpp
@@ -2,15 +2,22 @@
// RUN: mkdir -p %t
// RUN: echo 'export module x; export int a, b;' > %t/x.cppm
// RUN: echo 'export module x.y; export int c;' > %t/x.y.cppm
+// RUN: echo 'export module a.b; export int d;' > %t/a.b.cppm
//
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface %t/x.cppm -o %t/x.pcm
// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface -fmodule-file=%t/x.pcm %t/x.y.cppm -o %t/x.y.pcm
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -emit-module-interface %t/a.b.cppm -o %t/a.b.pcm
//
-// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
-// RUN: -DMODULE_NAME=z
-// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -verify %s \
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -fmodule-file=%t/a.b.pcm -verify %s \
+// RUN: -DMODULE_NAME=z -DINTERFACE
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -fmodule-file=%t/a.b.pcm -verify %s \
+// RUN: -DMODULE_NAME=a.b
+// RUN: %clang_cc1 -std=c++1z -fmodules-ts -I%t -fmodule-file=%t/x.y.pcm -fmodule-file=%t/a.b.pcm -verify %s \
// RUN: -DMODULE_X -DMODULE_NAME=x
+#ifdef INTERFACE
+export
+#endif
module MODULE_NAME;
int use_1 = a;
@@ -33,6 +40,7 @@ import x [[noreturn]]; // expected-error {{'noreturn' attribute cannot be applie
import x [[blarg::noreturn]]; // expected-warning {{unknown attribute 'noreturn' ignored}}
import x.y;
+import a.b; // Does not imply existence of module a.
import x.; // expected-error {{expected a module name after 'import'}}
import .x; // expected-error {{expected a module name after 'import'}}
diff --git a/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.interface/p1.cpp b/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.interface/p1.cpp
index afe3a7a48589..68f2570dd3e6 100644
--- a/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.interface/p1.cpp
+++ b/test/CXX/modules-ts/dcl.dcl/dcl.module/dcl.module.interface/p1.cpp
@@ -1,27 +1,28 @@
// RUN: %clang_cc1 -fmodules-ts %s -verify -o /dev/null
-// RUN: %clang_cc1 -fmodules-ts %s -DINTERFACE -verify -o /dev/null
-// RUN: %clang_cc1 -fmodules-ts %s -DIMPLEMENTATION -verify -o /dev/null
+// RUN: %clang_cc1 -fmodules-ts %s -DINTERFACE -verify -emit-module-interface -o %t
+// RUN: %clang_cc1 -fmodules-ts %s -DIMPLEMENTATION -verify -fmodule-file=%t -o /dev/null
//
// RUN: %clang_cc1 -fmodules-ts %s -DBUILT_AS_INTERFACE -emit-module-interface -verify -o /dev/null
// RUN: %clang_cc1 -fmodules-ts %s -DINTERFACE -DBUILT_AS_INTERFACE -emit-module-interface -verify -o /dev/null
// RUN: %clang_cc1 -fmodules-ts %s -DIMPLEMENTATION -DBUILT_AS_INTERFACE -emit-module-interface -verify -o /dev/null
#if INTERFACE
+// expected-no-diagnostics
export module A;
#elif IMPLEMENTATION
module A;
#ifdef BUILT_AS_INTERFACE
// expected-error@-2 {{missing 'export' specifier in module declaration while building module interface}}
+ #define INTERFACE
#endif
#else
#ifdef BUILT_AS_INTERFACE
- // FIXME: Diagnose missing module declaration (at end of TU)
+ // expected-error@1 {{missing 'export module' declaration in module interface unit}}
#endif
#endif
-export int a;
#ifndef INTERFACE
-// expected-error@-2 {{export declaration can only be used within a module interface unit}}
+export int b; // expected-error {{export declaration can only be used within a module interface unit}}
#else
-// expected-no-diagnostics
+export int a;
#endif
diff --git a/test/CXX/modules-ts/dcl.dcl/dcl.module/p1.cpp b/test/CXX/modules-ts/dcl.dcl/dcl.module/p1.cpp
new file mode 100644
index 000000000000..2393aa184317
--- /dev/null
+++ b/test/CXX/modules-ts/dcl.dcl/dcl.module/p1.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -std=c++17 -fmodules-ts -verify %s -DFOO=export -DBAR=export
+// RUN: %clang_cc1 -std=c++17 -fmodules-ts -verify %s -DFOO=export -DBAR=
+// RUN: %clang_cc1 -std=c++17 -fmodules-ts %s -DFOO=export -emit-module-interface -o %t
+// RUN: %clang_cc1 -std=c++17 -fmodules-ts %s -fmodule-file=%t -DFOO=
+// RUN: %clang_cc1 -std=c++17 -fmodules-ts %s -fmodule-file=%t -DBAR=export
+// RUN: %clang_cc1 -std=c++17 -fmodules-ts -verify %s -fmodule-file=%t -DFOO= -DBAR=export
+
+#ifdef FOO
+FOO module foo; // expected-note {{previous module declaration is here}}
+#endif
+
+#ifdef BAR
+BAR module bar; // expected-error {{translation unit contains multiple module declarations}}
+#endif
diff --git a/test/CXX/modules-ts/dcl.dcl/dcl.module/p2.cpp b/test/CXX/modules-ts/dcl.dcl/dcl.module/p2.cpp
new file mode 100644
index 000000000000..992715e6b102
--- /dev/null
+++ b/test/CXX/modules-ts/dcl.dcl/dcl.module/p2.cpp
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -fmodules-ts -verify %s
+
+// A named module shall contain exactly one module interface unit.
+module M; // expected-error {{definition of module 'M' is not available; use -fmodule-file= to specify path to precompiled module interface}}
+
+// FIXME: How do we ensure there is not more than one?