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(parent: d72c3ec) | patch
flow.c (try_merge_block): Rename to try_optimize_cfg; do basic simplifications on...
authorJan Hubicka <jh@suse.cz>
Thu, 28 Jun 2001 18:14:05 +0000 (20:14 +0200)
committerJan Hubicka <hubicka@gcc.gnu.org>
Thu, 28 Jun 2001 18:14:05 +0000 (18:14 +0000)
commit7a442791bbd35236ae2c45e383db88d704f8f41c
tree411b8f5eb989eadf53babde84c57d46a4759fd2etree
parentd72c3ec3f65c7e75b9d7149de4eb02701992cdb9commit | diff
flow.c (try_merge_block): Rename to try_optimize_cfg; do basic simplifications on the CFG.

* flow.c (try_merge_block): Rename to try_optimize_cfg;
do basic simplifications on the CFG.
(is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
 try_simplify_condjump): New.
(redirect_edge_and_branch): Try replace jump insn.
(flow_delete_insn): Handle deleting of ADDR_VEC insns.

* basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.

From-SVN: r43642
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