clang/test/Preprocessor/lang-std.cpp

   1 /// Test default standards.
   2
   3 // RUN: %clang_cc1 -dM -E %s | grep __cplusplus >%T-cpp-std.txt
   4 // RUN: FileCheck --input-file %T-cpp-std.txt --check-prefix=CXX17 %s
   5
   6 /// Check that CUDA/HIP uses the same default standards as C++.
   7
   8 // RUN: %clang_cc1 -dM -E -x cuda %s | grep __cplusplus >%T-cuda-std.txt
   9 // RUN: %clang_cc1 -dM -E -x hip %s | grep __cplusplus >%T-hip-std.txt
  10 // RUN: diff %T-cpp-std.txt %T-cuda-std.txt
  11 // RUN: diff %T-cpp-std.txt %T-hip-std.txt
  12
  13 // RUN: %clang_cc1 -dM -E -x cuda -std=c++14 %s | FileCheck --check-prefix=CXX14 %s
  14 // RUN: %clang_cc1 -dM -E -x cuda -std=c++17 %s | FileCheck --check-prefix=CXX17 %s
  15 // RUN: %clang_cc1 -dM -E -x hip -std=c++98 %s | FileCheck --check-prefix=CXX98 %s
  16
  17 // CXX98: #define __cplusplus 199711L
  18 // CXX14: #define __cplusplus 201402L
  19 // CXX17: #define __cplusplus 201703L