| // Test macro preservation in C++20 Header Units. |
| |
| // RUN: rm -rf %t |
| // RUN: mkdir -p %t |
| // RUN: split-file %s %t |
| // RUN: cd %t |
| |
| // Produce a pre-processed file. |
| // RUN: %clang_cc1 -std=c++20 -E -xc++-user-header hu-01.h -o hu-01.iih |
| |
| // consume that to produce the heder unit. |
| // RUN: %clang_cc1 -std=c++20 -emit-header-unit \ |
| // RUN: -xc++-header-unit-header-cpp-output hu-01.iih -o hu-01.pcm |
| |
| // check that the header unit is named for the original file, not the .iih. |
| // RUN: %clang_cc1 -std=c++20 -module-file-info hu-01.pcm | \ |
| // RUN: FileCheck --check-prefix=CHECK-HU %s -DTDIR=%t |
| |
| //--- hu-01.h |
| #ifndef __GUARD |
| #define __GUARD |
| |
| int baz(int); |
| #define FORTYTWO 42 |
| |
| #define SHOULD_NOT_BE_DEFINED -1 |
| #undef SHOULD_NOT_BE_DEFINED |
| |
| #endif // __GUARD |
| |
| // CHECK-HU: ====== C++20 Module structure ====== |
| // CHECK-HU-NEXT: Header Unit './hu-01.h' is the Primary Module at index #1 |