From: spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 2 Jun 2010 16:39:26 +0000 (+0000)
Subject: Fix PR44363: don't abort when the ifcvt analysis fails to recognize a Gimple stmt.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f7a9884300c48797d4b913ac94f846e69017d59;p=thirdparty%2Fgcc.git

Fix PR44363: don't abort when the ifcvt analysis fails to recognize a Gimple stmt.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/44363
	* tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
	return false instead.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160163 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f47194c136d9..d64804d359b8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
+
+	PR middle-end/44363
+	* tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
+	return false instead.
+
 2010-06-02  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/44295
diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c
index f64623dae7d7..f6e8c969dc1f 100644
--- a/gcc/tree-if-conv.c
+++ b/gcc/tree-if-conv.c
@@ -483,8 +483,8 @@ get_loop_body_in_if_conv_order (const struct loop *loop)
    | else
    |   S2;
 
-   S1 will be predicated with "x", and S2 will be predicated with
-   "!x".  */
+   S1 will be predicated with "x", and
+   S2 will be predicated with "!x".  */
 
 static bool
 predicate_bbs (loop_p loop)
@@ -546,12 +546,9 @@ predicate_bbs (loop_p loop)
 		break;
 	      }
 
-	    case GIMPLE_SWITCH:
+	    default:
 	      /* Not handled yet in if-conversion.  */
 	      return false;
-
-	    default:
-	      gcc_unreachable ();
 	    }
 	}