Quentin Colombet 6aebd393f0 [AArch64] Enable the codegenprepare optimization that promotes operation to form
extended loads.
Implement the related target lowering hook so that the optimization has a better
estimation of the cost of an extension.

rdar://problem/19267165


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233753 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-31 20:52:32 +00:00
..
2014-05-31 21:26:28 +00:00
2014-07-24 11:45:27 +00:00