tree.h (tree_expr_nonzero_p): Export.

2005-07-20  James A. Morrison  <phython@gcc.gnu.org>

        * tree.h (tree_expr_nonzero_p): Export.
        * fold-const.c (tree_expr_nonzero_p): Likewise.
        Return true for CALL_EXPRs that are alloca calls.
        (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
        against zero.
        * tree-flow.h (expr_computes_nonzero): Remove.
        * tree-vrp.c (expr_computes_nonzero): Remove.
        (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
        (extract_range_from_unary_expr): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Use
        tree_expr_nonzero_p.

From-SVN: r102201

1 files changed, 2 insertions, 0 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index b9cd508..10472fe 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -3851,6 +3851,8 @@ extern enum tree_code swap_tree_comparison (enum tree_code);
 extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
 extern enum tree_code invert_tree_comparison (enum tree_code, bool);
 
+extern bool tree_expr_nonzero_p (tree);
+
 /* In builtins.c */
 extern tree fold_builtin (tree, tree, bool);
 extern tree fold_builtin_fputs (tree, bool, bool, tree);