From cc3df917d3be701d09501786eeda7775d43897e7 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Mon, 5 Aug 2019 18:06:24 -0700
Subject: [PATCH] pan/midgard: Absorb nonexistance sources

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
---
 src/panfrost/midgard/midgard_print.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/panfrost/midgard/midgard_print.c b/src/panfrost/midgard/midgard_print.c
index 585df36565f..d6aef04cb92 100644
--- 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);