In test case, we write "RUN: %clang ......." or "RUN:%clang_cc1 .......". Could anyone tell me where %clang and %clang_cc1 are defined? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20200208/fdf4e530/attachment.html>