[all-commits] [llvm/llvm-project] d58446: [C++20] [Modules] Don't emit macro definitions wit...

[Chuanqi Xu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d5844685810980399397a4310b943532361790ef
      https://github.com/llvm/llvm-project/commit/d5844685810980399397a4310b943532361790ef
  Author: Chuanqi Xu <yedeng.yd at linux.alibaba.com>
  Date:   2022-11-18 (Fri, 18 Nov 2022)

  Changed paths:
    M clang/lib/Serialization/ASTWriter.cpp
    M clang/test/Modules/cxx20-module-file-info-macros.cpp

  Log Message:
  -----------
  [C++20] [Modules] Don't emit macro definitions with named module

It is meaningless to emit macro definitions for named modules. With some
small experiments, the size of the module for the named modules reduced
2%~4% after this patch.