pan/midgard: Calculate temp_count for liveness

This needs to be correct or the analysis fails.

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

src/panfrost/midgard/midgard_liveness.c

@@ -117,6 +117,8 @@ mir_compute_liveness(compiler_context *ctx)
         if (ctx->metadata & MIDGARD_METADATA_LIVENESS)
                 return;
 
+        mir_compute_temp_count(ctx);
+
         /* List of midgard_block */
         struct set *work_list = _mesa_set_create(ctx,
                         _mesa_hash_pointer,

src/panfrost/midgard/mir.c

@@ -557,7 +557,7 @@ mir_compute_temp_count(compiler_context *ctx)
 
         mir_foreach_instr_global(ctx, ins) {
                 if (ins->dest < SSA_FIXED_MINIMUM)
-                        max_dest = MAX2(max_dest, ins->dest);
+                        max_dest = MAX2(max_dest, ins->dest + 1);
         }
 
         ctx->temp_count = max_dest;