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re PR target/69345 (459.GemsFDTD regression)
authorRichard Biener <rguenther@suse.de>
Wed, 20 Jan 2016 08:36:32 +0000 (08:36 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Wed, 20 Jan 2016 08:36:32 +0000 (08:36 +0000)
commitdd6f2cf98c132d493c9ba7c5602d2ade2efa97f4
tree25f916a4031cfa3e7564c20c520aa54e2b7d7499tree
parentbf0bb9703a83ddbe48d166d24ca2eeab22ad9886commit | diff
re PR target/69345 (459.GemsFDTD regression)

2016-01-20  Richard Biener  <rguenther@suse.de>

PR tree-optimization/69345
* tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
(VN_INFO_PTR_INFO): Likewise.
* tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
info when it is equal between non-dominating SSA names.
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Make sure to look at original SSA infos.

From-SVN: r232603
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gcc/tree-ssa-sccvn.c diff | blob | history
gcc/tree-ssa-sccvn.h diff | blob | history