use reloop-relevant js optimizer passes only when actually relooping

1 files changed, 7 insertions, 5 deletions

diff --git a/emcc b/emcc
index 67c822e9..d35e6b1c 100755
--- a/emcc
+++ b/emcc
@@ -491,12 +491,14 @@ try:
     save_intermediate('pretty')
 
   if opt_level >= 1:
-    # js optimizer
     if DEBUG: print >> sys.stderr, 'emcc: running pre-closure post-opts'
-    final = shared.Building.js_optimizer(final, ['hoistMultiples'])
-    if DEBUG: save_intermediate('hoistMultiples')
-    final = shared.Building.js_optimizer(final, ['loopOptimizer'])
-    if DEBUG: save_intermediate('loopOptimizer')
+
+    if shared.Settings.RELOOP:
+      # js optimizer
+      final = shared.Building.js_optimizer(final, ['hoistMultiples'])
+      if DEBUG: save_intermediate('hoistMultiples')
+      final = shared.Building.js_optimizer(final, ['loopOptimizer'])
+      if DEBUG: save_intermediate('loopOptimizer')
 
     # eliminator
     final = shared.Building.eliminator(final)