tree 18d90e8996686ab27f4f31b93171b0895f7d6f6f
parent 91824678868d920a2fe7dc10fcac0a21966e6fc3
author Johannes Doerfert <jdoerfert@anl.gov> 1566574939 +0000
committer Johannes Doerfert <jdoerfert@anl.gov> 1566574939 +0000

[Attributor][NFCI] Avoid lookups when resolving returned values

If the number of potentially returned values not change since the last
traversal we do not need to visit the returned values again. This works
as we only add values to the returned values set now.

Differential Revision: https://reviews.llvm.org/D66484

llvm-svn: 369770