1 files changed, 77 insertions, 0 deletions
diff --git a/test/binaryen.js/optimize-levels.js.txt b/test/binaryen.js/optimize-levels.js.txt
new file mode 100644
index 000000000..78190fc0d
--- /dev/null
+++ b/test/binaryen.js/optimize-levels.js.txt
@@ -0,0 +1,77 @@
+=== input wast ===
+(module
+ (type $i (func (param i32) (result i32)))
+ (memory $0 0)
+ (export "test" (func $test))
+ (func $test (; 0 ;) (type $i) (param $0 i32) (result i32)
+  (block (result i32)
+   (if (result i32)
+    (get_local $0)
+    (get_local $0)
+    (i32.const 0)
+   )
+  )
+ )
+)
+
+=== unoptimized ===
+(module
+ (type $i (func (param i32) (result i32)))
+ (memory $0 0)
+ (export "test" (func $test))
+ (func $test (; 0 ;) (type $i) (param $0 i32) (result i32)
+  (block $block (result i32)
+   (if (result i32)
+    (get_local $0)
+    (get_local $0)
+    (i32.const 0)
+   )
+  )
+ )
+)
+
+=== optimized using defaults ===
+optimizeLevel=2
+shrinkLevel=1
+(module
+ (type $i (func (param i32) (result i32)))
+ (export "test" (func $test))
+ (func $test (; 0 ;) (type $i) (param $0 i32) (result i32)
+  (select
+   (get_local $0)
+   (i32.const 0)
+   (get_local $0)
+  )
+ )
+)
+
+=== optimized with -O0 ===
+optimizeLevel=0
+shrinkLevel=0
+(module
+ (type $i (func (param i32) (result i32)))
+ (export "test" (func $test))
+ (func $test (; 0 ;) (type $i) (param $0 i32) (result i32)
+  (if (result i32)
+   (get_local $0)
+   (get_local $0)
+   (i32.const 0)
+  )
+ )
+)
+
+=== optimized with -Os ===
+optimizeLevel=2
+shrinkLevel=1
+(module
+ (type $i (func (param i32) (result i32)))
+ (export "test" (func $test))
+ (func $test (; 0 ;) (type $i) (param $0 i32) (result i32)
+  (select
+   (get_local $0)
+   (i32.const 0)
+   (get_local $0)
+  )
+ )
+)
+