[PATCH] D30810: Preserve vec3 type.

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak added a comment.

Could you elaborate on the motivation for this change?

I was wondering why clang (CodeGen) needed the help of a command line option to decide whether vec3 should be converted to vec4. Can it just preserve vec3 when the architecture is spir?


https://reviews.llvm.org/D30810