wasm2js: don't emit obviously unnecessary parens (#2080)

A minifier would probably remove them later anyhow, but they make reading the code annoying and hard.

1 files changed, 20 insertions, 40 deletions

diff --git a/test/wasm2js/br.2asm.js b/test/wasm2js/br.2asm.js
index d8cbcb1e3..ff5270db0 100644
--- a/test/wasm2js/br.2asm.js
+++ b/test/wasm2js/br.2asm.js
@@ -222,10 +222,8 @@ function asmFunc(global, env, buffer) {
   var $3_1 = 0, $5_1 = 0;
   block : {
    if ($0) {
-    {
-     $3_1 = 3;
-     break block;
-    }
+    $3_1 = 3;
+    break block;
    } else {
     $5_1 = $1_1
    }
@@ -242,10 +240,8 @@ function asmFunc(global, env, buffer) {
    if ($0) {
     $5_1 = $1_1
    } else {
-    {
-     $4_1 = 4;
-     break block;
-    }
+    $4_1 = 4;
+    break block;
    }
    $4_1 = $5_1;
   }
@@ -562,15 +558,11 @@ function asmFunc(global, env, buffer) {
   i64toi32_i32$3 = 32;
   i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
   if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-   {
-    i64toi32_i32$0 = 0;
-    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-   }
+   i64toi32_i32$0 = 0;
+   $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
   } else {
-   {
-    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-   }
+   i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
   }
   setTempRet0($7_1 | 0);
   i64toi32_i32$0 = $0$hi;
@@ -588,15 +580,11 @@ function asmFunc(global, env, buffer) {
   i64toi32_i32$3 = 32;
   i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
   if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-   {
-    i64toi32_i32$0 = 0;
-    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-   }
+   i64toi32_i32$0 = 0;
+   $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
   } else {
-   {
-    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-   }
+   i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
   }
   setTempRet0($7_1 | 0);
   i64toi32_i32$0 = $0$hi;
@@ -614,15 +602,11 @@ function asmFunc(global, env, buffer) {
   i64toi32_i32$3 = 32;
   i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
   if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-   {
-    i64toi32_i32$0 = 0;
-    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-   }
+   i64toi32_i32$0 = 0;
+   $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
   } else {
-   {
-    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-   }
+   i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
   }
   setTempRet0($7_1 | 0);
   i64toi32_i32$0 = $0$hi;
@@ -640,15 +624,11 @@ function asmFunc(global, env, buffer) {
   i64toi32_i32$3 = 32;
   i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
   if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-   {
-    i64toi32_i32$0 = 0;
-    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-   }
+   i64toi32_i32$0 = 0;
+   $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
   } else {
-   {
-    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-   }
+   i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
   }
   setTempRet0($7_1 | 0);
   i64toi32_i32$0 = $0$hi;