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(parent: d8edefd) | patch
2009-06-30 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 30 Jun 2009 15:23:39 +0000 (15:23 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 30 Jun 2009 15:23:39 +0000 (15:23 +0000)
commit4bb5d312177a04cb3dafd2d06ddffb670265c863
treea545660a88ba18ccce1692e097184bf0f4994b56tree | snapshot
parentd8edefd7ae509aa10122b996ac81cc0a28608c27commit | diff
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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149103 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c [new file with mode: 0644] blob
gcc/tree-ssa-dce.c diff | blob | history
Domain: System / Toolchain;