[PATCH] D127408: [clang][driver] Introduce new -fdriver-only flag

[Jan Svoboda via Phabricator via cfe-commits]

jansvoboda11 created this revision.
jansvoboda11 added reviewers: dexonsmith, egorzhdan.
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This patch introduces the new -fdriver-only flag which instructs Clang to only execute the driver logic without running individual jobs. In a way, this is very similar to -###, with the following differences:

- it doesn't automatically print all jobs,
- it doesn't avoid side effects (e.g. it will generate compilation database when -MJ is specified).

This flag will be useful in testing D121997 <https://reviews.llvm.org/D121997>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D127408

Files:
  clang/include/clang/Driver/Compilation.h
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/Compilation.cpp
  clang/lib/Driver/Driver.cpp
  clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
  clang/test/Driver/cc-print-options.c
  clang/test/Driver/driver-only.c

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