Only add instrumentation to reftypes when the featureset supports it (#2377)

Author: jgravelle-google

src/passes/InstrumentLocals.cpp

@@ -145,14 +145,17 @@ struct InstrumentLocals : public WalkerPass<PostWalker<InstrumentLocals>> {
     addImport(curr, get_i64, "jiij");
     addImport(curr, get_f32, "fiif");
     addImport(curr, get_f64, "diid");
-    addImport(curr, get_anyref, "aiia");
-    addImport(curr, get_exnref, "eiie");
     addImport(curr, set_i32, "iiii");
     addImport(curr, set_i64, "jiij");
     addImport(curr, set_f32, "fiif");
     addImport(curr, set_f64, "diid");
-    addImport(curr, set_anyref, "aiia");
-    addImport(curr, set_exnref, "eiie");
+
+    if (curr->features.hasReferenceTypes()) {
+      addImport(curr, get_anyref, "aiia");
+      addImport(curr, get_exnref, "eiie");
+      addImport(curr, set_anyref, "aiia");
+      addImport(curr, set_exnref, "eiie");
+    }
   }
 
 private:

test/passes/instrument-locals_all-features.txt

@@ -10,12 +10,12 @@
  (import "env" "get_i64" (func $get_i64 (param i32 i32 i64) (result i64)))
  (import "env" "get_f32" (func $get_f32 (param i32 i32 f32) (result f32)))
  (import "env" "get_f64" (func $get_f64 (param i32 i32 f64) (result f64)))
- (import "env" "get_anyref" (func $get_anyref (param i32 i32 anyref) (result anyref)))
- (import "env" "get_exnref" (func $get_exnref (param i32 i32 exnref) (result exnref)))
  (import "env" "set_i32" (func $set_i32 (param i32 i32 i32) (result i32)))
  (import "env" "set_i64" (func $set_i64 (param i32 i32 i64) (result i64)))
  (import "env" "set_f32" (func $set_f32 (param i32 i32 f32) (result f32)))
  (import "env" "set_f64" (func $set_f64 (param i32 i32 f64) (result f64)))
+ (import "env" "get_anyref" (func $get_anyref (param i32 i32 anyref) (result anyref)))
+ (import "env" "get_exnref" (func $get_exnref (param i32 i32 exnref) (result exnref)))
  (import "env" "set_anyref" (func $set_anyref (param i32 i32 anyref) (result anyref)))
  (import "env" "set_exnref" (func $set_exnref (param i32 i32 exnref) (result exnref)))
  (func $A (; 12 ;) (type $FUNCSIG$v)