[Mesa-dev] [PATCH v1] panfrost/midgard: Skip liveness analysis for instructions without dest

[Tomeu Vizoso]

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

diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index d4d26b9a25e9..f5d8c3e0f2c1 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -2108,6 +2108,7 @@ allocate_registers(compiler_context *ctx)
         mir_foreach_block(ctx, block) {
                 mir_foreach_instr_in_block(block, ins) {
                         if (ins->compact_branch) continue;
+                        if (ins->ssa_args.dest < 0) continue;
 
                         if (ins->ssa_args.dest < SSA_FIXED_MINIMUM) {
                                 /* If this destination is not yet live, it is now since we just wrote it */
-- 
2.20.1