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2011-04-14 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 14 Apr 2011 12:19:28 +0000 (12:19 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 14 Apr 2011 12:19:28 +0000 (12:19 +0000)
commitca793672b4340554dea5d28ba72d024633b6d6f9
tree37469c49ec7265d49916385efd0f288cc4709c98tree | snapshot
parent29d7200db1f331ccc81e86252185b4ce06412586commit | diff
2011-04-14  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/48590
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
BUILT_IN_ALLOCA, BUILT_IN_STACK_SAVE and BUILT_IN_STACK_RESTORE.
(call_may_clobber_ref_p_1): Handle BUILT_IN_ALLOCA and
BUILT_IN_STACK_SAVE.
* tree-ssa-dce.c (propagate_necessity): Handle
BUILT_IN_ALLOCA, BUILT_IN_STACK_SAVE and BUILT_IN_STACK_RESTORE.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@172427 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/tree-ssa-alias.c diff | blob | history
gcc/tree-ssa-dce.c diff | blob | history
Domain: System / Toolchain;