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authorRichard Guenther <rguenther@suse.de>2012-04-05 09:43:48 +0000
committerRichard Guenther <rguenther@suse.de>2012-04-05 09:43:48 +0000
commite7db77b2100c117188d428de851b5173bc0099ca (patch)
tree6258ff245914afce423859c9d6e66227cf605076 /gcc/tree-ssa-forwprop.c
parent146ef6829a94415ebd8804b0d7d4557b34612ae0 (diff)
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. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@186159 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-forwprop.c')
-rw-r--r--gcc/tree-ssa-forwprop.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index 2b16222bbd5..c99af1a8c43 100644
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -325,9 +325,9 @@ remove_prop_source_from_use (tree name)
bb = gimple_bb (stmt);
gsi = gsi_for_stmt (stmt);
unlink_stmt_vdef (stmt);
- gsi_remove (&gsi, true);
+ if (gsi_remove (&gsi, true))
+ cfg_changed |= gimple_purge_dead_eh_edges (bb);
release_defs (stmt);
- cfg_changed |= gimple_purge_dead_eh_edges (bb);
name = is_gimple_assign (stmt) ? gimple_assign_rhs1 (stmt) : NULL_TREE;
} while (name && TREE_CODE (name) == SSA_NAME);