vc4: Fix a leak of the src[] array of VPM reads in optimization.

Cc: "12.0" <mesa-stable@lists.freedesktop.org>
2016-08-02 11:02:21 -07:00
parent 9f95690959
commit a0671d67de
1 changed files with 5 additions and 4 deletions
@@ -115,11 +115,12 @@ qir_opt_vpm(struct vc4_compile *c)
                         * sources are independent of previous instructions
                         */
                        if (temps == 1) {
-                                list_del(&inst->link);
                                inst->src[j] = mov->src[0];
-                                list_replace(&mov->link, &inst->link);
-                                c->defs[temp] = NULL;
-                                free(mov);
+
+                                list_del(&inst->link);
+                                list_addtail(&inst->link, &mov->link);
+                                qir_remove_instruction(c, mov);
+
                                progress = true;
                                break;
                        }