pan/midgard: Squeeze indices before scheduling

This allows node_count to be correct while scheduling.

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

src/panfrost/midgard/midgard_schedule.c

@@ -983,6 +983,7 @@ schedule_program(compiler_context *ctx)
         /* Must be lowered right before RA */
         mir_squeeze_index(ctx);
         mir_lower_special_reads(ctx);
+        mir_squeeze_index(ctx);
 
         /* Lowering can introduce some dead moves */