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authorJeff Law <law@gcc.gnu.org>2017-12-15 15:11:06 -0700
committerJeff Law <law@gcc.gnu.org>2017-12-15 15:11:06 -0700
commit5806e0622de3356ae291a74a4c0d4c2e0af4c0d6 (patch)
treeb8e6c164eb187dd22c1305123e27d655276679ec /gcc/tree-ssa-threadupdate.h
parent38f4bea834ef4c25cd89c824f15ee8d6b30a3760 (diff)
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re PR tree-optimization/81165 (Regression in GCC-8.0.0's optimizer)
PR tree-optimization/81165 * tree-ssa-threadupdate.c (uses_in_bb): New. (estimate_threading_killed_stmts): New. * tree-ssa-threadupdate.h (estimate_threading_killed_stmts): Prototype. * tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts_at_dest): Expand limit when its hit. PR tree-optimization/81165 * gcc.dg/pr81165.c: New. From-SVN: r255724
Diffstat (limited to 'gcc/tree-ssa-threadupdate.h')
-rw-r--r--gcc/tree-ssa-threadupdate.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-ssa-threadupdate.h b/gcc/tree-ssa-threadupdate.h
index 296eff2..8a3b41d 100644
--- a/gcc/tree-ssa-threadupdate.h
+++ b/gcc/tree-ssa-threadupdate.h
@@ -47,6 +47,7 @@ extern void remove_jump_threads_including (edge);
extern void delete_jump_thread_path (vec <class jump_thread_edge *> *);
extern void remove_ctrl_stmt_and_useless_edges (basic_block, basic_block);
extern void free_dom_edge_info (edge);
+extern unsigned int estimate_threading_killed_stmts (basic_block);
enum bb_dom_status
{