basic_block.h (struct basic_block_def): Added prev_bb and next_bb fields.
commit918ed612a1b2328a11887b7166bc07a9efde130f
authorZdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
Sun, 19 May 2002 22:25:49 +0000 (20 00:25 +0200)
committerZdenek Dvorak <rakdver@gcc.gnu.org>
Sun, 19 May 2002 22:25:49 +0000 (19 22:25 +0000)
treeda3145061eccb50182bb789146df5bbe4f748226
parente0322d5ca59e5d8657799c2c5453319a89c7a5a5
basic_block.h (struct basic_block_def): Added prev_bb and next_bb fields.

* basic_block.h (struct basic_block_def): Added prev_bb and next_bb
fields.
(FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
traversing basic block chain.
(create_basic_block_structure, create_basic_block): Declaration changed.
(link_block, unlink_block): Declare.
* cfg.c (entry_exit_blocks): Initialize new fields.
(link_block, unlink_block): New.
(expunge_block_nocompact): Unlink basic block.
(dump_flow_info): Print prev_bb/next_bb fields.
* cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
* cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
* cfgrtl.c (create_basic_block_structure, create_basic_block,
split_block, force_nonfallthru_and_redirect, split_edge): Modified.
(verify_flow_info): Check that list agrees with numbering.

From-SVN: r53642
gcc/ChangeLog
gcc/basic-block.h
gcc/cfg.c
gcc/cfgbuild.c
gcc/cfgcleanup.c
gcc/cfglayout.c
gcc/cfgrtl.c