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tree-vrp.c (ssa_name_nonzero_p): Remove.

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* tree-vrp.c (ssa_name_nonzero_p): Remove.
	* tree.h: Remove the prototype for ssa_name_nonzero_p.

From-SVN: r146313
This commit is contained in:
Kazu Hirata 2009-04-18 11:49:20 +00:00 • committed by Kazu Hirata
parent aa424b01a1
commit 1eefab17a5
3 changed files with 5 additions and 23 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-04-18 Kazu Hirata <kazu@codesourcery.com>
* tree-vrp.c (ssa_name_nonzero_p): Remove.
* tree.h: Remove the prototype for ssa_name_nonzero_p.
2009-04-18 Kazu Hirata <kazu@codesourcery.com>
* tree.c (function_args_count): Remove.

22
gcc/tree-vrp.c
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@ -1368,28 +1368,6 @@ ssa_name_nonnegative_p (const_tree t)
return false;
}
/* Return true if T, an SSA_NAME, is known to be nonzero. Return
false otherwise or if no value range information is available. */
bool
ssa_name_nonzero_p (const_tree t)
{
value_range_t *vr = get_value_range (t);
if (!vr)
return false;
/* A VR_RANGE which does not include zero is a nonzero value. */
if (vr->type == VR_RANGE && !symbolic_range_p (vr))
return ! range_includes_zero_p (vr);
/* A VR_ANTI_RANGE which does include zero is a nonzero value. */
if (vr->type == VR_ANTI_RANGE && !symbolic_range_p (vr))
return range_includes_zero_p (vr);
return false;
}
/* If OP has a value range with a single constant value return that,
otherwise return NULL_TREE. This returns OP itself if OP is a
constant. */

1
gcc/tree.h
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@ -5199,7 +5199,6 @@ extern tree tree_mem_ref_addr (tree, tree);
extern void copy_mem_ref_info (tree, tree);
/* In tree-vrp.c */
extern bool ssa_name_nonzero_p (const_tree);
extern bool ssa_name_nonnegative_p (const_tree);
/* In tree-object-size.c. */