1 files changed, 10 insertions, 0 deletions
diff --git a/src/js/binaryen.js-post.js b/src/js/binaryen.js-post.js
index e34273a2a..8e4d67482 100644
--- a/src/js/binaryen.js-post.js
+++ b/src/js/binaryen.js-post.js
@@ -1162,6 +1162,16 @@ Module['Module'] = function(module) {
     out = old;
     return ret;
   };
+  this['emitStackIR'] = function(optimize) {
+    this['runPasses'](['generate-stack-ir']);
+    if (optimize) this['runPasses'](['optimize-stack-ir']);
+    var old = out;
+    var ret = '';
+    out = function(x) { ret += x + '\n' };
+    this['runPasses'](['print-stack-ir']);
+    out = old;
+    return ret;
+  };
   this['emitAsmjs'] = function() {
     var old = out;
     var ret = '';