Small simplification of HChange instruction.
authorfschneider@chromium.org <fschneider@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 28 Sep 2011 14:01:40 +0000 (14:01 +0000)
committerfschneider@chromium.org <fschneider@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 28 Sep 2011 14:01:40 +0000 (14:01 +0000)
commit9bc30dfe9306c4285b7374887ba2326c98bb08d0
treeae26685387118841a4d02955cb10c354cb7360df
parentc6a53e0638fbf8b6cb545e2ae8eb56c09fd23481
Small simplification of HChange instruction.

Use existing flag to mark HChange instructions that deoptimize on undefined.

Also there is no need to store the source representation explicitly.
Review URL: http://codereview.chromium.org/8066007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/hydrogen-instructions.cc
src/hydrogen-instructions.h
src/hydrogen.cc