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| author | Richard Guenther <rguenther@suse.de> | 2012-04-05 09:43:48 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-04-05 09:43:48 +0000 |
| commit | b5b3ec3e6ebe5b7a07654d94f53f97b0a8cca050 (patch) | |
| tree | 6258ff245914afce423859c9d6e66227cf605076 /gcc/gimple-iterator.c | |
| parent | 4e48b6f14dd57f48d042ebc3a47529963da69fdf (diff) | |
| download | gcc-b5b3ec3e6ebe5b7a07654d94f53f97b0a8cca050.zip gcc-b5b3ec3e6ebe5b7a07654d94f53f97b0a8cca050.tar.gz gcc-b5b3ec3e6ebe5b7a07654d94f53f97b0a8cca050.tar.bz2 | |
gimple-iterator.c (gsi_remove): Return whether EH edges need to be cleanup.
2012-04-05 Richard Guenther <rguenther@suse.de>
* gimple-iterator.c (gsi_remove): Return whether EH edges need to be
cleanup.
* gimple.h (gsi_remove): Adjust.
* tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
* tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
* tree-ssa-dse.c (dse_optimize_stmt): Likewise.
* tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
* tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
* tree-ssa-pre.c (eliminate): Likewise.
From-SVN: r186159
Diffstat (limited to 'gcc/gimple-iterator.c')
| -rw-r--r-- | gcc/gimple-iterator.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/gimple-iterator.c b/gcc/gimple-iterator.c index f5a1d26..e387c16 100644 --- a/gcc/gimple-iterator.c +++ b/gcc/gimple-iterator.c @@ -499,13 +499,15 @@ gsi_insert_after (gimple_stmt_iterator *i, gimple stmt, REMOVE_PERMANENTLY is true when the statement is going to be removed from the IL and not reinserted elsewhere. In that case we remove the statement pointed to by iterator I from the EH tables, and free its - operand caches. Otherwise we do not modify this information. */ + operand caches. Otherwise we do not modify this information. Returns + true whether EH edge cleanup is required. */ -void +bool gsi_remove (gimple_stmt_iterator *i, bool remove_permanently) { gimple_seq_node cur, next, prev; gimple stmt = gsi_stmt (*i); + bool require_eh_edge_purge = false; if (gimple_code (stmt) != GIMPLE_PHI) insert_debug_temps_for_defs (i); @@ -517,7 +519,7 @@ gsi_remove (gimple_stmt_iterator *i, bool remove_permanently) if (remove_permanently) { - remove_stmt_from_eh_lp (stmt); + require_eh_edge_purge = remove_stmt_from_eh_lp (stmt); gimple_remove_stmt_histograms (cfun, stmt); } @@ -537,6 +539,8 @@ gsi_remove (gimple_stmt_iterator *i, bool remove_permanently) gimple_seq_set_last (i->seq, prev); i->ptr = next; + + return require_eh_edge_purge; } |