tree 9de39f4da424cb20378a8f604a7470da8334afa3
parent 8e27ccb494c2df502e01c451487bb63dc3ee11c6
author Cherry Zhang <cherryyz@google.com> 1561436816 -0400
committer Cherry Zhang <cherryyz@google.com> 1561510922 +0000

gollvm: add attributes for some functions to help optimization

Teach the backend some facts about some runtime functions, to
help optimizations.

Change-Id: I7bca0f98042e45f87c91eab556c2e0e62a64d65f
Reviewed-on: https://go-review.googlesource.com/c/gollvm/+/183839
Reviewed-by: Than McIntosh <thanm@google.com>