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tree-ssa-sccvn.c (expr_has_constants): Declare. 

2008-05-26  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (expr_has_constants): Declare.
	(visit_reference_op_load): Initialize VN_INFO->has_constants
	properly.

From-SVN: r135943
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Richard Guenther 2008-05-26 15:51:16 +00:00 committed by Richard Biener
parent 6054bf2a35
commit 26fa9076d9
2 changed files with 9 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-05-26 Richard Guenther <rguenther@suse.de>
* tree-ssa-sccvn.c (expr_has_constants): Declare.
(visit_reference_op_load): Initialize VN_INFO->has_constants
properly.
2008-05-26 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/36253

5
gcc/tree-ssa-sccvn.c
View File

@ -1139,8 +1139,8 @@ defs_to_varying (tree stmt)
return changed;
}
static tree
try_to_simplify (tree stmt, tree rhs);
static bool expr_has_constants (tree expr);
static tree try_to_simplify (tree stmt, tree rhs);
/* Visit a copy between LHS and RHS, return true if the value number
changed. */
@ -1245,6 +1245,7 @@ visit_reference_op_load (tree lhs, tree op, tree stmt)
/* Initialize value-number information properly. */
VN_INFO_GET (result)->valnum = result;
VN_INFO (result)->expr = val;
VN_INFO (result)->has_constants = expr_has_constants (val);
VN_INFO (result)->needs_insertion = true;
/* As all "inserted" statements are singleton SCCs, insert
to the valid table. This is strictly needed to