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2009-11-24 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 24 Nov 2009 11:57:26 +0000 (11:57 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 24 Nov 2009 11:57:26 +0000 (11:57 +0000)
commitbd2f8bb1e1409ba085d4cc46edde87517e1c9097
treef19106fba13eb4041c815fa48f36964d90f21528tree | snapshot
parentfa30ba2420a52b03807239d6d3d9d61f81e34bd6commit | diff
2009-11-24  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/42142
* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
Handle iv-dependent (non-)kills properly.
(mark_aliased_reaching_defs_necessary): Pass the basic-block
of the reference statement to mark_aliased_reaching_defs_necessary_1.

* gcc.c-torture/execute/pr42142.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154494 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/pr42142.c [new file with mode: 0644] blob
gcc/tree-ssa-dce.c diff | blob | history
Domain: System / Toolchain;