tree bd18f22e2f4a19ec8d6c648990db1bd58e546638
parent 976a67a57cda79ce9716e06509931b93837baffb
author Daniel Stone <daniels@collabora.com> 1597697089 -0700
committer Copybara-Service <copybara-worker@google.com> 1598829400 -0700

libclc: Make all built-ins overloadable

The SPIR spec states that all OpenCL built-in functions should be
overloadable and mangled, to ensure consistency.

Add the overload attribute to functions which were missing them:
work dimensions, memory barriers and fences, and events.

Reviewed By: tstellar, jenatali

Differential Revision: https://reviews.llvm.org/D82078

GitOrigin-RevId: 3d21fa56f5f5afbbf16b35b199480af71e1189a3