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// Test output from -module-file-info about C++20 modules.
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu1.cpp \
// RUN: -o %t/A.pcm
// RUN: %clang_cc1 -std=c++20 -module-file-info %t/A.pcm | FileCheck \
// RUN: --check-prefix=CHECK-A %s
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu2.cpp \
// RUN: -o %t/B.pcm
// RUN: %clang_cc1 -std=c++20 -module-file-info %t/B.pcm | FileCheck \
// RUN: --check-prefix=CHECK-B %s
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu3.cpp \
// RUN: -fmodule-file=A=%t/A.pcm -fmodule-file=B=%t/B.pcm -o %t/Foo.pcm
// RUN: %clang_cc1 -std=c++20 -module-file-info %t/Foo.pcm -fmodule-file=A=%t/A.pcm \
// RUN: -fmodule-file=B=%t/B.pcm | FileCheck \
// RUN: --check-prefix=CHECK-FOO %s
// expected-no-diagnostics
//--- mod-info-tu1.cpp
export module A;
void a();
// CHECK-A: ====== C++20
// CHECK-A-NEXT: Interface Unit 'A' is the Primary Module at index #1
//--- mod-info-tu2.cpp
export module B;
void b();
// CHECK-B: ====== C++20
// CHECK-B-NEXT: Interface Unit 'B' is the Primary Module at index #1
//--- mod-info-tu3.cpp
module;
export module Foo;
import A;
export import B;
namespace hello {
export void say(const char *);
}
void foo() {}
// CHECK-FOO: ====== C++20
// CHECK-FOO-NEXT: Interface Unit 'Foo' is the Primary Module at index #3
// CHECK-FOO-NEXT: Sub Modules:
// CHECK-FOO-NEXT: Global Module Fragment '<global>' is at index #4
// CHECK-FOO-NEXT: Imports:
// CHECK-FOO-NEXT: Interface Unit 'A' is at index #1
// CHECK-FOO-NEXT: Exports:
// CHECK-FOO-NEXT: Interface Unit 'B' is at index #2
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