[PATCH] D17390: Introduce -fembed-bitcode driver option

[Steven Wu via cfe-commits]

steven_wu updated this revision to Diff 49431.
steven_wu added a comment.

Make selectToolForJob logic better and less disruptive for -fembed-bitcode.

When -fembed-bitcode is used, the same old logic is used to decide if
CompileJob and BackendJob can be combined with an extra requirement for
-fembed-bitcode. The old logic was there to work around the Fortran input
which invokes gcc to compile. -fembed-bitcode requires CompileJob and BackendJob
to be the same (and can emit IR) so it can be splited between these two stages.


http://reviews.llvm.org/D17390

Files:
  include/clang/Basic/DiagnosticDriverKinds.td
  include/clang/Driver/Driver.h
  include/clang/Driver/Options.td
  include/clang/Driver/ToolChain.h
  lib/Driver/Driver.cpp
  lib/Driver/ToolChains.cpp
  lib/Driver/ToolChains.h
  lib/Driver/Tools.cpp
  test/Driver/embed-bitcode.c

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