diff options
| author | Jeff Law <law@redhat.com> | 2004-09-14 22:12:18 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2004-09-14 22:12:18 -0600 |
| commit | a5c965c17ef36c215673c1b3bc01eff0780b3fcc (patch) | |
| tree | cf5b9beec3f25e2e51b674da28677528ab57f45a /gcc/tree-dfa.c | |
| parent | bb5ecf29592e396bce6f8b793430d094d65c5309 (diff) | |
| download | gcc-a5c965c17ef36c215673c1b3bc01eff0780b3fcc.tar.gz | |
tree-dfa.c (free_df_for_stmt): No longer static.
* tree-dfa.c (free_df_for_stmt): No longer static.
(free_df): Update comments.
* tree-flow.h (free_df_for_stmt): Prototype.
* tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt. Also
call release_defs.
From-SVN: r87531
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index 533b98884e6..3d7e4d4b4d6 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -188,9 +188,9 @@ compute_immediate_uses (int flags, bool (*calc_for)(tree)) } -/* Invalidates dataflow information for a statement STMT. */ +/* Invalidates dataflow information for a statement STMT. */ -static void +void free_df_for_stmt (tree stmt) { dataflow_t *df; @@ -221,7 +221,13 @@ free_df_for_stmt (tree stmt) } -/* Invalidate dataflow information for the whole function. */ +/* Invalidate dataflow information for the whole function. + + Note this only invalidates dataflow information on statements and + PHI nodes which are reachable. + + A deleted statement may still have attached dataflow information + on it. */ void free_df (void) |