Reduce consing during copy propagation.
commit570bc3c47e03c922eb7cd0ddcfe4825e119ab698
authorStas Boukarev <stassats@gmail.com>
Mon, 4 Apr 2016 13:38:02 +0000 (4 16:38 +0300)
committerStas Boukarev <stassats@gmail.com>
Mon, 4 Apr 2016 13:38:43 +0000 (4 16:38 +0300)
tree3f88d92b8a15d2068888f1840e132eae94ee0b56
parent51f54cb708de2f56172e2d8c567a35a02b681274
Reduce consing during copy propagation.

Don't push TNs into OUT if their reads are limited to the block they
are written to.

Fixes lp#1540125
src/compiler/copyprop.lisp
src/compiler/node.lisp