dart2js cps: Do GVN for all primitives except fast constants.

dart2js cps: Do GVN for all primitives except fast constants.

Previously, trivial primitives such as "x+1" would not be hoisted.
Only fast constants are considered trivial now.

This is mainly to enable other optimizations.

BUG=
R=kmillikin@google.com

Committed: https://github.com/dart-lang/sdk/commit/7127119f6de49ecd2a4bd8d4dbf70f94e317894b

[asgerf, 2016-01-08 22:59:50]

Description was changed from

==========
dart2js cps: Do GVN for all primitives except fast constants.

Previously, trivial primitives such as "x+1" would not be hoisted.
Only fast constants are considered trivial now.

Hoisting these can enable other optimizations.

BUG=
==========

to

==========
dart2js cps: Do GVN for all primitives except fast constants.

Previously, trivial primitives such as "x+1" would not be hoisted.
Only fast constants are considered trivial now.

This is mainly to enable other optimizations.

BUG=
==========

[asgerf, 2016-01-08 23:00:50]

asgerf@google.com changed reviewers:
+ kmillikin@google.com, sra@google.com

[Kevin Millikin (Google), 2016-01-08 23:03:49]

lgtm

[asgerf, 2016-01-08 23:38:15]

Description was changed from

==========
dart2js cps: Do GVN for all primitives except fast constants.

Previously, trivial primitives such as "x+1" would not be hoisted.
Only fast constants are considered trivial now.

This is mainly to enable other optimizations.

BUG=
==========

to

==========
dart2js cps: Do GVN for all primitives except fast constants.

Previously, trivial primitives such as "x+1" would not be hoisted.
Only fast constants are considered trivial now.

This is mainly to enable other optimizations.

BUG=
R=kmillikin@google.com

Committed:
https://github.com/dart-lang/sdk/commit/7127119f6de49ecd2a4bd8d4dbf70f94e317894b
==========

[asgerf, 2016-01-08 23:38:16]

Committed patchset #1 (id:1) manually as
7127119f6de49ecd2a4bd8d4dbf70f94e317894b (presubmit successful).