Fix memory leak in tree-ssa-loop-unswitch.c

2017-02-14  Martin Liska  <mliska@suse.cz>

	* tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
	vector.  Fix trailing white spaces.

From-SVN: r245430

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2c184214d0f9207e5bb51d075d1d47f0787fd641..00aaebc83bc86b3945ec4d434b64d0d9bff69852 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-02-14  Martin Liska  <mliska@suse.cz>
+
+       * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
+       vector.  Fix trailing white spaces.
+
 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
 
        * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle

diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index 143caf73e8653cb4ed92d3ac80ef3ace0af10bcb..afa04e9d110f1d0d609665cf7d43faaa1d2a5453 100644 (file)
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -820,7 +820,7 @@ hoist_guard (struct loop *loop, edge guard)
   /* Create new loop pre-header.  */
   e = split_block (pre_header, last_stmt (pre_header));
   if (dump_file && (dump_flags & TDF_DETAILS))
-    fprintf (dump_file, "  Moving guard %i->%i (prob %i) to bb %i, "   
+    fprintf (dump_file, "  Moving guard %i->%i (prob %i) to bb %i, "
             "new preheader is %i\n",
             guard->src->index, guard->dest->index, guard->probability,
             e->src->index, e->dest->index);
@@ -879,7 +879,7 @@ hoist_guard (struct loop *loop, edge guard)
   /* ... finally scale everything in the loop except for guarded basic blocks
      where profile does not change.  */
   basic_block *body = get_loop_body (loop);
-  
+
   if (dump_file && (dump_flags & TDF_DETAILS))
     fprintf (dump_file, "  Scaling nonguarded BBs in loop:");
   for (unsigned int i = 0; i < loop->num_nodes; i++)
@@ -920,6 +920,8 @@ hoist_guard (struct loop *loop, edge guard)
 
   if (dump_file && (dump_flags & TDF_DETAILS))
     fprintf (dump_file, "\n  guard hoisted.\n");
+
+  free (body);
 }
 
 /* Return true if phi argument for exit edge can be used