tree de6ce59993a2917490fb11f2ce65bc996c5f342c
parent 394aa566582c66f2f31bb4bed521206c7b18be59
author Max Kazantsev <max.kazantsev@azul.com> 1550574845 +0000
committer Max Kazantsev <max.kazantsev@azul.com> 1550574845 +0000

[NFC] API for signaling that the current loop is being deleted

We are planning to be able to delete the current loop in LoopSimplifyCFG
in the future. Add API to notify the loop pass manager that it happened.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354314 91177308-0d34-0410-b5e6-96231b3b80d8