From: Manuel Mohr <manuel.mohr@kit.edu>
Date: Wed, 7 Dec 2011 16:30:29 +0000 (+0100)
Subject: Prevent segfault with -bprofilegenerate=true for empty input files.
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=65261e15cb91c3726def43e5fc12360a85779de1;p=libfirm

Prevent segfault with -bprofilegenerate=true for empty input files.
---

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index cd01bca57..45917af41 100644
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -557,7 +557,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 			        prof_filename);
 		}
 	}
-	if (be_options.opt_profile_generate) {
+	if (num_birgs > 0 && be_options.opt_profile_generate) {
 		ir_graph *prof_init_irg
 			= ir_profile_instrument(prof_filename);
 		initialize_birg(&birgs[num_birgs], prof_init_irg, &env);