[PATCH] D137058: [Driver] [Modules] Support -fmodule-output (1/2)

[Chuanqi Xu via Phabricator via cfe-commits]

ChuanqiXu updated this revision to Diff 483443.
ChuanqiXu added a comment.

- when `-fmodule-output` and `-o` are both specified, generate the module file into the directory of the output file and name the module file with the name of the input file with module file's suffixes. (Previously, the name of the module will be the same with the output file). The change tries to avoid rewrite the module file when we specify multiple input files in one command line.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137058/new/

https://reviews.llvm.org/D137058

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/Driver.cpp
  clang/test/Driver/lit.local.cfg
  clang/test/Driver/module-output.cppm

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