The exit block is gauranteed to be empty, signaling the end of the
program.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzw...@collabora.com>
---
src/panfrost/midgard/compiler.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/panfrost/midgard/compiler.h b/src/panfrost/midgard/compiler.h
index fb47c3475bf..e51ea8ba602 100644
--- a/src/panfrost/midgard/compiler.h
+++ b/src/panfrost/midgard/compiler.h
@@ -377,6 +377,19 @@ mir_get_block(compiler_context *ctx, int idx)
return (struct midgard_block *) lst;
}
+static inline midgard_block *
+mir_exit_block(struct compiler_context *ctx)
+{
+ midgard_block *last = list_last_entry(&ctx->blocks,
+ struct midgard_block, link);
+
+ /* The last block must be empty (the exit block) */
+ assert(list_empty(&last->instructions));
+ assert(last->nr_successors == 0);
+
+ return last;
+}
+
static inline bool
mir_is_alu_bundle(midgard_bundle *bundle)
{
--
2.23.0.rc1
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