From abe45f1ab06229d51a1f62bf0569ae99b804823b Mon Sep 17 00:00:00 2001
From: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date: Sat, 9 Apr 2016 14:32:07 -0400
Subject: enable constant folding

---
 main.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'main.c')

diff --git a/main.c b/main.c
index d568621..1f1315f 100644
--- a/main.c
+++ b/main.c
@@ -11,6 +11,7 @@ char debug['Z'+1] = {
 	['M'] = 0, /* memory optimization */
 	['N'] = 0, /* ssa construction */
 	['C'] = 0, /* copy elimination */
+	['F'] = 0, /* constant folding */
 	['S'] = 0, /* spilling */
 	['R'] = 0, /* reg. allocation */
 };
@@ -48,6 +49,8 @@ func(Fn *fn)
 	ssa(fn);
 	filluse(fn);
 	copy(fn);
+	filluse(fn);
+	fold(fn);
 	abi(fn);
 	filluse(fn);
 	isel(fn);
-- 
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