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titzer@chromium.org e4c6f9488e Implement graph trimming in ControlReducer. 
Trimming the graph consists of breaking links from nodes that are not reachable from end to nodes that are reachable from end. Such dead nodes show up in the use lists of the live nodes and though mostly harmless, just clutter up the graph. They also can limit instruction selection opportunities, so it is good to get rid of them.

This CL is one half of the ControlReducer functionality, the other half
being branch folding.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/661923002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24694 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-17 11:51:57 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build Fix Mac build after r24676. 2014-10-17 07:12:30 +00:00
include Pass an Isolate to v8::VisitHandlesWithClassIds 2014-10-17 00:46:18 +00:00
samples Reland 24052 - Require V8 to be explicitly initialized before an Isolate is created 2014-09-19 08:01:35 +00:00
src Implement graph trimming in ControlReducer. 2014-10-17 11:51:57 +00:00
test Implement graph trimming in ControlReducer. 2014-10-17 11:51:57 +00:00
testing Add C++11 compatible base::hash function object. 2014-10-06 12:27:24 +00:00
tools Implement graph trimming in ControlReducer. 2014-10-17 11:51:57 +00:00
.clang-format Change clang-format config to allow for two empty lines between functions 2013-12-03 10:39:21 +00:00
.DEPS.git Add android tools to v8's deps. 2014-08-28 11:09:46 +00:00
.gitignore Update .gitignore with test/test262-es6/data. 2014-10-10 08:48:39 +00:00
AUTHORS Improve String.repeat. 2014-10-17 10:01:38 +00:00
BUILD.gn Implement graph trimming in ControlReducer. 2014-10-17 11:51:57 +00:00
ChangeLog Sync change log file with trunk. 2014-05-19 15:29:29 +00:00
codereview.settings Add PROJECT to v8 2014-06-23 15:33:19 +00:00
DEPS Add android tools to v8's deps. 2014-08-28 11:09:46 +00:00
LICENSE Update LICENSE date. 2014-02-18 10:50:22 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile Make asan and lsan make flags work like on the bots. 2014-10-06 15:21:37 +00:00
Makefile.android Update toolchain for Android mipsel, ia32, x87. 2014-08-19 11:20:42 +00:00
Makefile.nacl Use the pnacl-clang toolchain for (P)NaCL builds 2014-10-06 08:10:50 +00:00
OWNERS Add vogelheim@ to v8 OWNERS 2014-07-08 13:26:48 +00:00
PRESUBMIT.py Add a PRESUBMIT check that production code does not call test code 2014-09-23 08:14:06 +00:00
WATCHLISTS Add myself to a watchlist for the public API. 2013-10-10 11:37:48 +00:00