From 2afddc4433f49eb44654a63b1406181ee3dc25d8 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Tue, 3 Mar 2020 13:47:13 -0500
Subject: [PATCH] pan/bi: Add pred/successors to build CFG

We'll want this for analysis passes or something, probably.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4061>
---
 src/panfrost/bifrost/compiler.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index a010cb896d1..7af4d39bf40 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -269,6 +269,10 @@ typedef struct bi_block {
                 struct list_head instructions; /* pre-schedule, list of bi_instructions */
                 struct list_head clauses; /* list of bi_clause */
         };
+
+        /* Control flow graph */
+        struct set *predecessors;
+        struct bi_block *successors[2];
 } bi_block;
 
 typedef struct {
-- 
2.30.2