clang/test/Modules/cxx20-10-3-ex2.cpp

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3 // RUN: split-file %s %t
   4
   5 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std10-3-ex2-tu1.cpp \
   6 // RUN:  -o %t/M.pcm
   7
   8 // RUN: %clang_cc1 -std=c++20 -S %t/std10-3-ex2-tu2.cpp \
   9 // RUN:  -fmodule-file=M=%t/M.pcm -o %t/tu_8.s -verify
  10
  11 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std10-3-ex2-tu3.cpp \
  12 // RUN:  -o %t/M.pcm -verify
  13
  14 // Test again with reduced BMI.
  15 // RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/std10-3-ex2-tu1.cpp \
  16 // RUN:  -o %t/M.pcm
  17
  18 // RUN: %clang_cc1 -std=c++20 -S %t/std10-3-ex2-tu2.cpp \
  19 // RUN:  -fmodule-file=M=%t/M.pcm -o %t/tu_8.s -verify
  20
  21 // RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/std10-3-ex2-tu3.cpp \
  22 // RUN:  -o %t/M.pcm -verify
  23
  24 //--- std10-3-ex2-tu1.cpp
  25 export module M;
  26
  27 //--- std10-3-ex2-tu2.cpp
  28 module M;
  29           // error: cannot import M in its own unit
  30 import M; // expected-error {{import of module 'M' appears within its own implementation}}
  31
  32 //--- std10-3-ex2-tu3.cpp
  33 export module M;
  34           // error: cannot import M in its own unit
  35 import M; // expected-error {{import of module 'M' appears within its own interface}}