pan/midgard: Absorb nonexistance sources

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

diff --git a/src/panfrost/midgard/midgard_print.c b/src/panfrost/midgard/midgard_print.c
index 585df36565f7f52c685a4ea295ae7311413cce53..d6aef04cb922317e970b37180e3c9f5f58dcf258 100644 (file)
--- a/src/panfrost/midgard/midgard_print.c
+++ b/src/panfrost/midgard/midgard_print.c
@@ -34,6 +34,11 @@
 static void
 mir_print_index(int source)
 {
+        if (source < 0) {
+                printf("_");
+                return;
+        }
+
         if (source >= SSA_FIXED_MINIMUM) {
                 /* Specific register */
                 int reg = SSA_REG_FROM_FIXED(source);