Review URL: https://codereview.chromium.org/924453002

Cr-Commit-Position: refs/heads/master@{#26609}

R=bmeurer@chromium.org
TEST=unittests/CommonOperatorTest

Review URL: https://codereview.chromium.org/912393002

Cr-Commit-Position: refs/heads/master@{#26584}

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/795433003

Cr-Commit-Position: refs/heads/master@{#25857}

This reverts commit a238443c (r24915)
for tanking benchmarks.

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/684693002

Cr-Commit-Position: refs/heads/master@{#24916}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24916 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/676353002

Cr-Commit-Position: refs/heads/master@{#24915}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24915 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Value numbering is now limited to eliminatable operators (i.e. operators
that don't throw and don't write), and uses linear probing instead of
separate chaining.

TEST=unittests
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/630423002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24452 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=compiler-unittests,mjsunit/numops-fuzz
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/540253003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23725 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=mstarzinger@chromium.org
TEST=compiler-unittests

Review URL: https://codereview.chromium.org/539833003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23724 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=compiler-unittests,cctest,mjsunit
R=mstarzinger@chromium.org, jarin@chromium.org

Review URL: https://codereview.chromium.org/539503002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23686 ce2b1a6d-e550-0410-aec6-3dcde31c8c00