make simplifyIfs a settings option

2 files changed, 2 insertions, 1 deletions

diff --git a/emcc b/emcc
index 471cbb76..4ba63f21 100755
--- a/emcc
+++ b/emcc
@@ -1691,7 +1691,7 @@ try:
 
       # simplify ifs if it is ok to make the code somewhat unreadable, and unless outlining (simplified ifs
       # with commaified code breaks late aggressive variable elimination)
-      if (debug_level == 0 or profiling) and shared.Settings.OUTLINING_LIMIT == 0: js_optimizer_queue += ['simplifyIfs']
+      if shared.Settings.SIMPLIFY_IFS and (debug_level == 0 or profiling) and shared.Settings.OUTLINING_LIMIT == 0: js_optimizer_queue += ['simplifyIfs']
 
       if opt_level >= 3 and shared.Settings.PRECISE_F32: js_optimizer_queue += ['optimizeFrounds']
 
diff --git a/src/settings.js b/src/settings.js
index 8e0d9e2d..8b046e95 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -172,6 +172,7 @@ var OUTLINING_LIMIT = 0; // A function size above which we try to automatically
                          // it).
 
 var AGGRESSIVE_VARIABLE_ELIMINATION = 0; // Run aggressiveVariableElimination in js-optimizer.js
+var SIMPLIFY_IFS = 1; // Whether to simplify ifs in js-optimizer.js
 
 // Generated code debugging options
 var SAFE_HEAP = 0; // Check each write to the heap, for example, this will give a clear