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re PR tree-optimization/77282 (test case gcc.dg/autopar/pr46193.c fails starting...
authorRichard Biener <rguenther@suse.de>
Thu, 18 Aug 2016 10:06:03 +0000 (10:06 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 18 Aug 2016 10:06:03 +0000 (10:06 +0000)
commitf9d97e407ff87e930c40d27f37e666fa4db79643
tree8ed809f4dff007e9b63483c33e6490b5dcb079catree
parent6cb984919944d6a622c459140301ab11a850aa64commit | diff
re PR tree-optimization/77282 (test case gcc.dg/autopar/pr46193.c fails starting with r239414)

2016-08-18  Richard Biener  <rguenther@suse.de>

PR tree-optimization/77282
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
When doing auto-parallelizing also prevent use of PHIs that
carry dependences across loop backedges.

From-SVN: r239565
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