1 files changed, 28 insertions, 0 deletions
diff --git a/test/lit/passes/emit-exnref.wast b/test/lit/passes/emit-exnref.wast
new file mode 100644
index 000000000..d203c2f10
--- /dev/null
+++ b/test/lit/passes/emit-exnref.wast
@@ -0,0 +1,28 @@
+;; When given alone, --emit-exnref just runs --translate-to-exnref
+;; RUN: wasm-opt %s -all --translate-to-exnref -S -o %t1.wasm
+;; RUN: wasm-opt %s -all --emit-exnref -S -o %t2.wasm
+;; RUN: diff %t1.wasm %t2.wasm
+
+;; When given with other flags, --emit-exnref runs the translator after running
+;; other passes. If --optimize-level >=3, --experimenal-new-eh also runs StackIR
+;; (+ local2stack) optimization. So running '-O --emit-exnref' should be the
+;; same as running all these passes separately.
+;; RUN: wasm-opt %s -all -O --translate-to-exnref --optimize-level=3 --generate-stack-ir --optimize-stack-ir -o %t1.wasm
+;; RUN: wasm-opt %s -all -O --emit-exnref -o %t2.wasm
+;; RUN: diff %t1.wasm %t2.wasm
+
+(module
+  (import "env" "foo" (func $foo))
+  (start $test)
+  (func $test
+    (try $l
+      (do
+        (call $foo)
+      )
+      (catch_all
+        (call $foo)
+        (rethrow $l)
+      )
+    )
+  )
+)