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tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always continue walking.
authorRichard Guenther <rguenther@suse.de>
Tue, 30 Jun 2009 15:23:39 +0000 (15:23 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 30 Jun 2009 15:23:39 +0000 (15:23 +0000)
commit67635176a2a643036f86c55cba8bcf79f56821a5
treea545660a88ba18ccce1692e097184bf0f4994b56tree
parentca89096d931f77c58dc19bce88e2a2eff04df6dacommit | diff
tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always continue walking.

2009-06-30  Richard Guenther  <rguenther@suse.de>

* tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
continue walking.
(propagate_necessity): Do not mark reaching defs of stores
as necessary.

* gcc.dg/tree-ssa/ssa-dce-6.c: New testcase.

From-SVN: r149103
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c [new file with mode: 0644] blob
gcc/tree-ssa-dce.c diff | blob | blame | history
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