tree 2f67940180b70495b820d899bcd8c39a687e4549
parent e4234986c66b2f182e5c5fa1a08b93f0fd2d4870
author Cong Hou <congh@google.com> 1444674840 +0000
committer Cong Hou <congh@google.com> 1444674840 +0000

Add - and -= operators to BlockFrequency using saturating arithmetic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250077 91177308-0d34-0410-b5e6-96231b3b80d8