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PR middle-end/65337
authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Sun, 20 Dec 2015 05:50:29 +0000 (05:50 +0000)
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Sun, 20 Dec 2015 05:50:29 +0000 (05:50 +0000)
commite98da821c1ee4450bbe40a0278cd75803706aa7c
tree4c773d3276204110d797dfcd28b3e1f57d3fbbf6tree | snapshot
parent92d0778fdfe5d60e4e976d1bd60bdaf8d1186c3dcommit | diff
PR middle-end/65337
* tree-ssa-dce.c (bb_postorder): New static var.
(forward_edge_to_pdom): Remove.
(remove_dead_stmt): Instead of redirecting edges only keep an edge
on a path to nearest live BB.
(eliminate_unnecessary_stmts): Free bb_postorder.
* cfganal.c (dfs_find_deadend): Add START_POINTES.
* cfganal.h (inverted_post_order_compute): Update prototype.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231856 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | blame | history
gcc/cfganal.c diff | blob | blame | history
gcc/cfganal.h diff | blob | blame | history
gcc/tree-ssa-dce.c diff | blob | blame | history
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