[PATCH] D23125: Modules: add command line option to support loading prebuilt modules on demand, without parsing any module map

[Manman Ren via cfe-commits]

manmanren created this revision.
manmanren added a reviewer: benlangmuir.
manmanren added a subscriber: cfe-commits.

We add -fmodules-use-prebuilt-modules to support using prebuilt modules. In this mode, there is no need to load any module map and the programmer can simply use "@import" syntax to load the module directly from module cache without parsing any module map. We don't support rebuilding of the modules and ignore configuration mismatches.

https://reviews.llvm.org/D23125

Files:
  include/clang/Basic/DiagnosticDriverKinds.td
  include/clang/Driver/Options.td
  include/clang/Lex/HeaderSearchOptions.h
  lib/Driver/Tools.cpp
  lib/Frontend/CompilerInstance.cpp
  lib/Frontend/CompilerInvocation.cpp
  lib/Serialization/ASTReader.cpp
  test/Driver/modules.m
  test/Modules/Inputs/prebuilt-module/a.h
  test/Modules/Inputs/prebuilt-module/module.modulemap
  test/Modules/prebuilt-module.m

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