From 75406a561fa11c2dcaa7b00dae40f68d806cd55c Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Thu, 23 Dec 2021 11:06:59 -0500 Subject: [PATCH] pan/bi: Add bi_{start, exit}_block helpers Useful for data flow analysis. Signed-off-by: Alyssa Rosenzweig Part-of: --- src/panfrost/bifrost/compiler.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h index fddc521..88cb252 100644 --- a/src/panfrost/bifrost/compiler.h +++ b/src/panfrost/bifrost/compiler.h @@ -647,6 +647,22 @@ typedef struct bi_block { uint8_t pass_flags; } bi_block; +static inline bi_block * +bi_start_block(struct list_head *blocks) +{ + bi_block *first = list_first_entry(blocks, bi_block, link); + assert(first->predecessors->entries == 0); + return first; +} + +static inline bi_block * +bi_exit_block(struct list_head *blocks) +{ + bi_block *last = list_last_entry(blocks, bi_block, link); + assert(!last->successors[0] && !last->successors[1]); + return last; +} + /* Subset of pan_shader_info needed per-variant, in order to support IDVS */ struct bi_shader_info { struct panfrost_ubo_push *push; -- 2.7.4