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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 2007-08-14 15:18:11 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2007-08-14 15:18:11 +0000 |
| commit | 22ea9ec0e8acfd6a8e42aba3437bf61fd6fd04c3 (patch) | |
| tree | 94820a53d64bc84958636e8e87e79b6b817705b9 /gcc/tree-cfg.c | |
| parent | d39d658dbe7c5682da000db60d4ea6209ce6ab66 (diff) | |
| download | gcc-22ea9ec0e8acfd6a8e42aba3437bf61fd6fd04c3.zip gcc-22ea9ec0e8acfd6a8e42aba3437bf61fd6fd04c3.tar.gz gcc-22ea9ec0e8acfd6a8e42aba3437bf61fd6fd04c3.tar.bz2 | |
alias.c (component_uses_parent_alias_set): Constify.
* alias.c (component_uses_parent_alias_set): Constify.
* alias.h (component_uses_parent_alias_set): Likewise.
* cfgrtl.c (print_rtl_with_bb): Likewise.
* double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
mpz_get_double_int): Likewise.
* double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
mpz_get_double_int): Likewise.
* expr.c (is_aligning_offset, undefined_operand_subword_p,
mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
Likewise.
* expr.h (safe_from_p): Likewise.
* gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
Likewise.
* gimplify.c (should_carry_locus_p, zero_sized_field_decl,
zero_sized_type, goa_lhs_expr_p): Likewise.
* omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
* rtl.h (print_rtl_with_bb): Likewise.
* sched-vis.c (print_exp, print_value, print_pattern): Likewise.
* tree-cfg.c (const_first_stmt, const_last_stmt): New.
* tree-flow-inline.h (bb_stmt_list): Constify.
(cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
cbsi_stmt): New.
* tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
const_first_stmt, const_last_stmt): New.
(block_may_fallthru, empty_block_p): Constify.
* tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
EXPR_ONLY_BODY): New.
(expr_first, expr_last, expr_only): Use macro for body.
(const_expr_first, const_expr_last, const_expr_only): New.
* tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
ctsi_prev, ctsi_stmt): New.
* tree-scalar-evolution.c (get_loop_exit_condition): Constify.
* tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
* tree-ssa-loop-niter.c (loop_only_exit_p,
derive_constant_upper_bound): Likewise.
* tree-ssa-phiopt.c (empty_block_p): Likewise.
* tree-ssa-threadupdate.c (redirection_block_p): Likewise.
* tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
* tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
* tree-vrp.c (vrp_bitmap_equal_p): Likewise.
* tree.c (get_type_static_bounds): Likewise.
* tree.h (const_expr_first, const_expr_last, const_expr_only): New.
(get_type_static_bounds): Constify.
From-SVN: r127483
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index f5939f7..8cf3112 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -2592,6 +2592,12 @@ first_stmt (basic_block bb) return !bsi_end_p (i) ? bsi_stmt (i) : NULL_TREE; } +const_tree +const_first_stmt (const_basic_block bb) +{ + const_block_stmt_iterator i = cbsi_start (bb); + return !cbsi_end_p (i) ? cbsi_stmt (i) : NULL_TREE; +} /* Return the last statement in basic block BB. */ @@ -2602,6 +2608,12 @@ last_stmt (basic_block bb) return !bsi_end_p (b) ? bsi_stmt (b) : NULL_TREE; } +const_tree +const_last_stmt (const_basic_block bb) +{ + const_block_stmt_iterator b = cbsi_last (bb); + return !cbsi_end_p (b) ? cbsi_stmt (b) : NULL_TREE; +} /* Return the last statement of an otherwise empty block. Return NULL if the block is totally empty, or if it contains more than one |