From: Jeff Law <law@gcc.gnu.org>
Date: Tue, 10 May 2005 19:19:30 +0000 (-0600)
Subject: tree-ssa-dom.c (dom_opt_finalize_block): Do not call thread_across_edge for any abnor... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5fefbc7977471f39a91cc1d6a6146a5c0efd273d;p=gcc.git

tree-ssa-dom.c (dom_opt_finalize_block): Do not call thread_across_edge for any abnormal edges.


	* tree-ssa-dom.c (dom_opt_finalize_block): Do not call
	thread_across_edge for any abnormal edges.

	* gcc.c-torture/compile/20050510-1.c: New test.

From-SVN: r99536
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24428811ca2..f6825dbc3f0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-10  Jeff Law  <law@redhat.com>
+
+	* tree-ssa-dom.c (dom_opt_finalize_block): Do not call
+	thread_across_edge for any abnormal edges.
+
 2005-05-10  Richard Henderson  <rth@redhat.com>
 
 	* config/ia64/ia64.c (ia64_expand_atomic_op): New.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 52a0e37b6ff..55363eaada1 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2005-05-10  Diego Novillo  <dnovillo@redhat.com>
+
+	* gcc.c-torture/compile/20050510-1.c: New test.
+
 2005-05-10  Mark Mitchell  <mark@codesourcery.com>
 
 	* gcc.dg/arm-vfp1.c: Remove test for fnegs.
diff --git a/gcc/testsuite/gcc.c-torture/compile/20050510-1.c b/gcc/testsuite/gcc.c-torture/compile/20050510-1.c
new file mode 100644
index 00000000000..3570f4f35b4
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20050510-1.c
@@ -0,0 +1,12 @@
+void bar (int k)
+{
+  void *label = (k) ? &&x : &&y;
+  if (k)
+    goto *label;
+
+x:
+  if (k)
+    dont_remove ();
+y:
+  return;
+}
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c
index fa8e7d6f422..541ad4cea62 100644
--- a/gcc/tree-ssa-dom.c
+++ b/gcc/tree-ssa-dom.c
@@ -985,18 +985,6 @@ dom_opt_finalize_block (struct dom_walk_data *walk_data, basic_block bb)
     {
       thread_across_edge (walk_data, single_succ_edge (bb));
     }
-  else if ((last = last_stmt (bb))
-	   && TREE_CODE (last) == GOTO_EXPR
-	   && TREE_CODE (TREE_OPERAND (last, 0)) == SSA_NAME)
-    {
-      edge_iterator ei;
-      edge e;
-
-      FOR_EACH_EDGE (e, ei, bb->succs)
-	{
-	  thread_across_edge (walk_data, e);
-	}
-    }
   else if ((last = last_stmt (bb))
 	   && TREE_CODE (last) == COND_EXPR
 	   && (COMPARISON_CLASS_P (COND_EXPR_COND (last))