[PATCH] D45363: [OpenCL] Added -std/-cl-std=CL2.2/CLC++

[Anastasia Stulova via Phabricator via cfe-commits]

Anastasia created this revision.
Anastasia added reviewers: rjmccall, bader, yaxunl.

Added std option for OpenCL C++, see cfe-dev thread for more details:
http://lists.llvm.org/pipermail/cfe-dev/2018-April/057535.html

Examples:
`clang -std=CL2.2 test.cl`
`clang -std=cl2.2 test.cl`
`clang -std=CLC++ test.cl`
`clang -std=clc++ test.cl`

I am not sure if we need a separate language mode. Right now I am reusing OpenCL. We can discuss.


https://reviews.llvm.org/D45363

Files:
  include/clang/Basic/DiagnosticSemaKinds.td
  include/clang/Driver/Options.td
  include/clang/Frontend/LangStandards.def
  lib/Frontend/CompilerInvocation.cpp
  lib/Frontend/InitPreprocessor.cpp
  test/Driver/autocomplete.c
  test/Driver/opencl.cl
  test/Driver/unknown-std.cl
  test/Frontend/opencl.cl
  test/Frontend/stdlang.c

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