From 528cf726356efcc0ddf20728904d40ea94f10fa2 Mon Sep 17 00:00:00 2001
From: Andrea Shepard <andrea@persephoneslair.org>
Date: Sun, 20 Nov 2016 05:45:41 +0000
Subject: [PATCH] Add comment on split_cep.cost

---
 src/backends/llvm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backends/llvm.c b/src/backends/llvm.c
index cea1b554..f7e92c66 100644
--- a/src/backends/llvm.c
+++ b/src/backends/llvm.c
@@ -504,6 +504,7 @@ static int h_llvm_build_charset_exec_plan_impl(HAllocator* mm__, HCharset cs,
     split_cep.cost = -1;
     split_cep.children[0] = NULL;
     split_cep.children[1] = NULL;
+    /* h_llvm_find_best_split() sets split_cep.cost */
     estimated_split_cost = h_llvm_find_best_split(mm__, &split_cep);
 
     /* Pick the action type with the lowest cost */
-- 
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