[PATCH] D26348: Allow convergent attribute for function arguments

[Mehdi AMINI via llvm-commits]

mehdi_amini added a comment.

This seems to import the "SIMT/SPMD/..." model into LangRef, and the constraint here seems a bit scary since I suspect it may impact significantly the optimizer.
(adding @chandlerc as reviewer as well)


https://reviews.llvm.org/D26348