Jakob Stoklund Olesen 6ee7d9aade Basic rematerialization during splitting. ...

Whenever splitting wants to insert a copy, it checks if the value can be
rematerialized cheaply instead.

Missing features:
- Delete instructions when all uses have been rematerialized.
- Truncate live ranges to the remaining uses after rematerialization.

llvm-svn: 118702

2010-11-10 19:31:50 +00:00

14 KiB

Raw Blame History

View Raw