freedreno/ir3: immediately schedule meta instructions

The aren't real instructions, and don't change # of live values, so no
point in them competing with real instructions.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Eric Anholt <eric@anholt.net>

src/freedreno/ir3/ir3_sched.c

@@ -571,6 +571,9 @@ find_eligible_instr(struct ir3_sched_ctx *ctx, struct ir3_sched_notes *notes,
 		if (!candidate)
 			continue;
 
+		if (is_meta(candidate))
+			return candidate;
+
 		deepest = MAX2(deepest, candidate->depth);
 	}