Automatic optimization bug bisector.

[mono.git] / mono / mini / mini-runtime.c

diff --git a/mono/mini/mini-runtime.c b/mono/mini/mini-runtime.c
index b78a31d35c4b9fccf08478bb0e44171ff6c85bac..f569e5c3539a949bb257e1c114b1d5572508afd4 100644 (file)
--- a/mono/mini/mini-runtime.c
+++ b/mono/mini/mini-runtime.c
@@ -2096,6 +2096,32 @@ mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *met
        return NULL;
 }
 
+static guint32 bisect_opt = 0;
+static GHashTable *bisect_methods_hash = NULL;
+
+void
+mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
+{
+       FILE *file;
+       char method_name [2048];
+
+       bisect_opt = opt;
+       bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
+       g_assert (bisect_methods_hash);
+
+       file = fopen (method_list_filename, "r");
+       g_assert (file);
+
+       while (fgets (method_name, sizeof (method_name), file)) {
+               size_t len = strlen (method_name);
+               g_assert (len > 0);
+               g_assert (method_name [len - 1] == '\n');
+               method_name [len - 1] = 0;
+               g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
+       }
+       g_assert (feof (file));
+}
+
 gboolean mono_do_single_method_regression = FALSE;
 guint32 mono_single_method_regression_opt = 0;
 MonoMethod *mono_current_single_method;
@@ -2107,6 +2133,13 @@ mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
 {
        g_assert (method);
 
+       if (bisect_methods_hash) {
+               char *name = mono_method_full_name (method, TRUE);
+               void *res = g_hash_table_lookup (bisect_methods_hash, name);
+               g_free (name);
+               if (res)
+                       return default_opt | bisect_opt;
+       }
        if (!mono_do_single_method_regression)
                return default_opt;
        if (!mono_current_single_method) {