| commit | a336775cce541147843682a7b330ed2fad9d6856 | |
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 2 Jul 2009 22:56:21 +0000 (2 22:56 +0000) | ||
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 2 Jul 2009 22:56:21 +0000 (2 22:56 +0000) | ||
| tree | 1d9bdbd53840567d935dad776d171d929046d438 | treesnapshot (tar.gz zip) |
| parent | e08fa0d78753e62dcc1fdde87a97660f98a38b1b | commitdiff |
* tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
(mark_stmt_necessary): Set it.
(mark_operand_necessary): Set it.
(mark_control_dependent_edges_necessary): Set it.
(mark_virtual_phi_result_for_renaming): New function.
(get_live_post_dom): New function.
(forward_edge_to_pdom): New function.
(remove_dead_stmt): Fix handling of control dependences.
(tree_dce_init): Init new bitmap.
(tree_dce_done): Free it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149199 138bc75d-0d04-0410-961f-82ee72b054a4
(mark_stmt_necessary): Set it.
(mark_operand_necessary): Set it.
(mark_control_dependent_edges_necessary): Set it.
(mark_virtual_phi_result_for_renaming): New function.
(get_live_post_dom): New function.
(forward_edge_to_pdom): New function.
(remove_dead_stmt): Fix handling of control dependences.
(tree_dce_init): Init new bitmap.
(tree_dce_done): Free it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149199 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/tree-ssa-dce.c | diffblobblamehistory |