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pan/bi: Add bi_{start, exit}_block helpers

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Useful for data flow analysis.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14298>
This commit is contained in:
Alyssa Rosenzweig 2021-12-23 11:06:59 -05:00 • committed by Marge Bot
parent e5423bb129
commit 75406a561f
1 changed files with 16 additions and 0 deletions
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16
src/panfrost/bifrost/compiler.h
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@ -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;