More simple math opts (#1414)

* optimize more simple math operations: mul of 0, or of 0, and of 0, mul of 1, mul of a power of 2, urem of a power of 2

* fix asm2wasm callImport parsing: the optimizer may get rid of the added offset to a function table

* update js builds

2 files changed, 10 insertions, 10 deletions

diff --git a/test/example/relooper-fuzz.txt b/test/example/relooper-fuzz.txt
index e53ca13ce..aeee64325 100644
--- a/test/example/relooper-fuzz.txt
+++ b/test/example/relooper-fuzz.txt
@@ -449,9 +449,9 @@
    (i32.const 0)
   )
   (if
-   (i32.rem_u
+   (i32.and
     (call $check)
-    (i32.const 2)
+    (i32.const 1)
    )
    (block
     (call $print
@@ -480,9 +480,9 @@
      )
      (br_if $shape$3$continue
       (i32.eqz
-       (i32.rem_u
+       (i32.and
         (call $check)
-        (i32.const 2)
+        (i32.const 1)
        )
       )
      )
diff --git a/test/example/relooper-fuzz1.txt b/test/example/relooper-fuzz1.txt
index 6d0bba603..5da2f5ff3 100644
--- a/test/example/relooper-fuzz1.txt
+++ b/test/example/relooper-fuzz1.txt
@@ -438,17 +438,17 @@
      (i32.const 0)
     )
     (if
-     (i32.rem_u
+     (i32.and
       (tee_local $0
        (call $check)
       )
-      (i32.const 4)
+      (i32.const 3)
      )
      (if
       (i32.eq
-       (i32.rem_u
+       (i32.and
         (get_local $0)
-        (i32.const 4)
+        (i32.const 3)
        )
        (i32.const 2)
       )
@@ -470,9 +470,9 @@
      (i32.const 2)
     )
     (br_if $block$10$break
-     (i32.rem_u
+     (i32.and
       (call $check)
-      (i32.const 2)
+      (i32.const 1)
      )
     )
    )