From: Diego Novillo <dnovillo@redhat.com>
Date: Mon, 27 Aug 2001 18:11:27 +0000 (+0000)
Subject: flow.c (flow_loop_dump): Do not display insn UIDs if this is not an RTL basic block.
X-Git-Tag: prereleases/libstdc++-3.0.95~2414
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=95005c210a14c56a0d86abaae40f61b723ebf5dc;p=thirdparty%2Fgcc.git

flow.c (flow_loop_dump): Do not display insn UIDs if this is not an RTL basic block.


	* flow.c (flow_loop_dump): Do not display insn UIDs if this is not
	an RTL basic block.

From-SVN: r45201
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2484f2fd9700..3b3c167d1360 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-08-27  Diego Novillo  <dnovillo@redhat.com>
+
+	* flow.c (flow_loop_dump): Do not display insn UIDs if this is not
+	an RTL basic block.
+
 2001-08-27  Richard Henderson  <rth@redhat.com>
 
 	* function.c (expand_function_end): Don't init arg_pointer_save_area.
diff --git a/gcc/flow.c b/gcc/flow.c
index 1360c7e9b2e4..1da1ef0c65c3 100644
--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -9176,11 +9176,17 @@ flow_loop_dump (loop, file, loop_dump_aux, verbose)
   if (! loop || ! loop->header)
     return;
 
-  fprintf (file, ";;\n;; Loop %d (%d to %d):%s%s\n",
-	   loop->num, INSN_UID (loop->first->head),
-	   INSN_UID (loop->last->end),
-	   loop->shared ? " shared" : "",
-	   loop->invalid ? " invalid" : "");
+  if (loop->first->head && loop->last->end)
+    fprintf (file, ";;\n;; Loop %d (%d to %d):%s%s\n",
+	    loop->num, INSN_UID (loop->first->head),
+	    INSN_UID (loop->last->end),
+	    loop->shared ? " shared" : "",
+	    loop->invalid ? " invalid" : "");
+  else
+    fprintf (file, ";;\n;; Loop %d:%s%s\n", loop->num,
+	     loop->shared ? " shared" : "",
+	     loop->invalid ? " invalid" : "");
+
   fprintf (file, ";;  header %d, latch %d, pre-header %d, first %d, last %d\n",
 	   loop->header->index, loop->latch->index,
 	   loop->pre_header ? loop->pre_header->index : -1,