Expose the "trivial common parent" logic that we use for phi

node re-writing.

We'll want to do it for CSE too.

1 files changed, 3 insertions, 0 deletions

diff --git a/flow.h b/flow.h
index 89deee54..20f9fc82 100644
--- a/flow.h
+++ b/flow.h
@@ -25,4 +25,7 @@ int dominates(pseudo_t pseudo, struct instruction *insn, struct instruction *dom
 
 extern void track_pseudo_usage(struct entrypoint *ep);
 
+extern struct basic_block *trivial_common_parent(struct basic_block *, pseudo_t,
+	struct basic_block *, pseudo_t);
+
 #endif