David Majnemer ad53a65179 [WinEHPrepare] Provide a cloning mode which doesn't demote
We are experimenting with a new approach to saving and restoring SSA
values used across funclets: let the register allocator do the dirty
work for us.

However, this means that we need to be able to clone commoned blocks
without relying on demotion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247835 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-16 18:40:37 +00:00
..