1 files changed, 13 insertions, 1 deletions
diff --git a/src/wasm-printing.h b/src/wasm-printing.h
index 936c118ee..d3327aa4c 100644
--- a/src/wasm-printing.h
+++ b/src/wasm-printing.h
@@ -30,9 +30,13 @@ struct WasmPrinter {
   static std::ostream& printModule(Module* module);
 
   static std::ostream& printExpression(Expression* expression, std::ostream& o, bool minify = false, bool full = false);
+
+  static std::ostream& printStackInst(StackInst* inst, std::ostream& o, Function* func=nullptr);
+
+  static std::ostream& printStackIR(StackIR* ir, std::ostream& o, Function* func=nullptr);
 };
 
-}
+} // namespace wasm
 
 namespace std {
 
@@ -44,6 +48,14 @@ inline std::ostream& operator<<(std::ostream& o, wasm::Expression& expression) {
   return wasm::WasmPrinter::printExpression(&expression, o);
 }
 
+inline std::ostream& operator<<(std::ostream& o, wasm::StackInst& inst) {
+  return wasm::WasmPrinter::printStackInst(&inst, o);
 }
 
+inline std::ostream& operator<<(std::ostream& o, wasm::StackIR& ir) {
+  return wasm::WasmPrinter::printStackIR(&ir, o);
+}
+
+} // namespace std
+
 #endif // wasm_wasm_printing_h