1 files changed, 4 insertions, 0 deletions
diff --git a/src/pass.h b/src/pass.h
index 20384241c..236878a1a 100644
--- a/src/pass.h
+++ b/src/pass.h
@@ -62,6 +62,7 @@ struct PassOptions {
   int shrinkLevel = 0;   // 0, 1, 2 correspond to -O0, -Os, -Oz
   bool ignoreImplicitTraps = false; // optimize assuming things like div by 0, bad load/store, will not trap
   bool debugInfo = false; // whether to try to preserve debug info through, which are special calls
+  FeatureSet features = Feature::MVP; // Which wasm features to accept, and be allowed to use
 };
 
 //
@@ -87,6 +88,9 @@ struct PassRunner {
   void setValidateGlobally(bool validate) {
     options.validateGlobally = validate;
   }
+  void setFeatures(FeatureSet features) {
+    options.features = features;
+  }
 
   void add(std::string passName) {
     auto pass = PassRegistry::get()->createPass(passName);