[Mesa-dev] [PATCH v1] panfrost/midgard: Skip register allocation if there's no work to do

[Tomeu Vizoso]

Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>
---
 src/gallium/drivers/panfrost/midgard/midgard_compile.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index 348ec861404a..d4d26b9a25e9 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -2058,6 +2058,9 @@ allocate_registers(compiler_context *ctx)
 	                print_mir_block(block);
         }
 
+        if (!ctx->temp_count)
+                return;
+
         /* Let's actually do register allocation */
         int nodes = ctx->temp_count;
         struct ra_graph *g = ra_alloc_interference_graph(regs, nodes);
-- 
2.20.1