Commit Graph

2 Commits

Author SHA1 Message Date
Nick Lewycky 8e5599354a Improve handling of SelectInst.
Reorder operations to remove duplicated work.
Fix to leave floating-point types out of the optimization.
Add tests to predsimplify.ll for SwitchInst and SelectInst handling.

llvm-svn: 30055
2006-09-02 19:40:38 +00:00
Nick Lewycky b2e8ae1700 Add PredicateSimplifier pass. Collapses equal variables into one form
and simplifies expressions. This implements the optimization described
in PR807.

llvm-svn: 29947
2006-08-28 22:44:55 +00:00