2 files changed, 33 insertions, 0 deletions
diff --git a/test/passes/optimize-instructions.txt b/test/passes/optimize-instructions.txt
index 010d6c139..d30e8f22e 100644
--- a/test/passes/optimize-instructions.txt
+++ b/test/passes/optimize-instructions.txt
@@ -2199,3 +2199,20 @@
   )
  )
 )
+(module
+ (type $0 (func))
+ (import "env" "memory" (memory $0 (shared 256 256)))
+ (func $x (; 0 ;) (type $0)
+  (drop
+   (i32.shr_s
+    (i32.shl
+     (i32.atomic.load8_u
+      (i32.const 100)
+     )
+     (i32.const 24)
+    )
+    (i32.const 24)
+   )
+  )
+ )
+)
diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast
index ff5bd9f9d..4ee2b0c86 100644
--- a/test/passes/optimize-instructions.wast
+++ b/test/passes/optimize-instructions.wast
@@ -2641,3 +2641,19 @@
    )
   )
 )
+(module
+  (import "env" "memory" (memory $0 (shared 256 256)))
+  (func $x
+   (drop
+    (i32.shr_s
+     (i32.shl
+      (i32.atomic.load8_u ;; can't be signed
+       (i32.const 100)
+      )
+      (i32.const 24)
+     )
+     (i32.const 24)
+    )
+   )
+  )
+)