From fe1bda7da797e5586d39122aec931a8a84df4ac7 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Thu, 19 May 2016 15:40:23 -0700
Subject: vacuum after passes that create garbage; this makes the total time
 better

---
 src/passes/pass.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index c4d16347c..1ff277902 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -62,11 +62,13 @@ void PassRunner::addDefaultOptimizationPasses() {
   add("remove-unused-names");
   add("optimize-instructions");
   add("simplify-locals");
+  add("vacuum"); // previous pass creates garbage
   add("coalesce-locals");
+  add("vacuum"); // previous pass creates garbage
   add("reorder-locals");
-  add("vacuum");
   add("merge-blocks");
   add("optimize-instructions");
+  add("vacuum"); // should not be needed, last few passes do not create garbage, but just to be safe
 }
 
 void PassRunner::run() {
-- 
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