[PATCH] D20602: Add .rgba syntax extension to ext_vector_type types

[Pirama Arumuga Nainar via cfe-commits]

pirama added a comment.

> > > I'm not suggesting it be treated as invalid. This extension is part of at least OpenCL 2.1, but it's not part of OpenCL 1.0. `ext_vector_type` is Clang's implementation of the OpenCL vector type. Therefore if the user asks us to support OpenCL 1.0, we should give them a warning if they use this syntax.

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> - use of ext_vector_type in OpenCL 1.0 and earlier.


Looks like OpenCL 1.0 also has vector data types (Section 6.1.2 https://www.khronos.org/registry/cl/specs/opencl-1.0.pdf).  So, I don't think it is necessary to emit warnings for ext_vector_types at all.


http://reviews.llvm.org/D20602