tree 5e690d3750b1eaa232d6af2e09e28c070e747e94
parent 1054bdf35560e528d67369213bec852c0c29373d
author Vedant Kumar <vsk@apple.com> 1547865527 +0000
committer Vedant Kumar <vsk@apple.com> 1547865527 +0000

[HotColdSplit] Mark inherently cold functions as such

If an inherently cold function is found, mark it as cold. For now this
means applying the `cold` and `minsize` attributes.

As a drive-by, revisit and clean up the criteria for considering a
function for splitting. Add tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351623 91177308-0d34-0410-b5e6-96231b3b80d8