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re PR tree-optimization/69347 (excessive compile time with -O2)
authorJeff Law <law@redhat.com>
Fri, 22 Jan 2016 20:18:59 +0000 (13:18 -0700)
committerJeff Law <law@gcc.gnu.org>
Fri, 22 Jan 2016 20:18:59 +0000 (13:18 -0700)
commit44b6ab2bf9597eb5f02e549d0236b942c007a1b0
treecf8111a865f76a45a4cf32927a96ef14d85eb955tree
parentf7d2ad6f3cef3706618b3fb5aebcd3c7584a3bdacommit | diff
re PR tree-optimization/69347 (excessive compile time with -O2)

PR middle-end/69347
* tree-ssa-dom.c (back_propagate_equivalences): Factored out of
record_temporary_equivalences.  Rewritten to avoid unnecessary calls
into dominated_by_p.
(cprop_into_successor_phis): Avoid unnecessary tests.

From-SVN: r232745
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