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tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.

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2019-05-10  Richard Biener  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
	(do_rpo_vn): Initialize next_value_id.

From-SVN: r271061
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Richard Biener 2019-05-10 12:01:04 +00:00 committed by Richard Biener
parent a9d5227c6c
commit cd6437427d
2 changed files with 7 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-05-10 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
(do_rpo_vn): Initialize next_value_id.
2019-05-10 Martin Liska <mliska@suse.cz>
* params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):

2
gcc/tree-ssa-sccvn.c
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@ -4059,6 +4059,7 @@ visit_reference_op_call (tree lhs, gcall *stmt)
vr2->hashcode = vr1.hashcode;
vr2->result = lhs;
vr2->result_vdef = vdef_val;
vr2->value_id = 0;
slot = valid_info->references->find_slot_with_hash (vr2, vr2->hashcode,
INSERT);
gcc_assert (!*slot);
@ -6467,6 +6468,7 @@ do_rpo_vn (function *fn, edge entry, bitmap exit_bbs,
unsigned region_size = (((unsigned HOST_WIDE_INT)n * num_ssa_names)
/ (n_basic_blocks_for_fn (fn) - NUM_FIXED_BLOCKS));
VN_TOP = create_tmp_var_raw (void_type_node, "vn_top");
next_value_id = 1;
vn_ssa_aux_hash = new hash_table <vn_ssa_aux_hasher> (region_size * 2);
gcc_obstack_init (&vn_ssa_aux_obstack);