wasm2js: precompute bitwise operations (#2101)

This happens on e.g. an i32 load of a constant offset, then we have constant >> 2.

1 files changed, 8 insertions, 8 deletions

diff --git a/test/wasm2js/i64-rotate.2asm.js.opt b/test/wasm2js/i64-rotate.2asm.js.opt
index d2a2c81ad..f02ec7d18 100644
--- a/test/wasm2js/i64-rotate.2asm.js.opt
+++ b/test/wasm2js/i64-rotate.2asm.js.opt
@@ -34,7 +34,7 @@ function asmFunc(global, env, buffer) {
   $6 = $2 & 63;
   $5 = $6;
   $3 = $5 & 31;
-  if (32 >>> 0 <= $5 >>> 0) {
+  if (32 <= $5 >>> 0) {
    $3 = -1 >>> $3
   } else {
    $4 = -1 >>> $3;
@@ -43,7 +43,7 @@ function asmFunc(global, env, buffer) {
   $5 = $3 & $0;
   $3 = $1 & $4;
   $4 = $6 & 31;
-  if (32 >>> 0 <= $6 >>> 0) {
+  if (32 <= $6 >>> 0) {
    $3 = $5 << $4;
    $6 = 0;
   } else {
@@ -54,7 +54,7 @@ function asmFunc(global, env, buffer) {
   $4 = 0 - $2 & 63;
   $3 = $4;
   $2 = $3 & 31;
-  if (32 >>> 0 <= $3 >>> 0) {
+  if (32 <= $3 >>> 0) {
    $3 = -1 << $2;
    $2 = 0;
   } else {
@@ -64,7 +64,7 @@ function asmFunc(global, env, buffer) {
   $0 = $2 & $0;
   $3 = $1 & $3;
   $1 = $4 & 31;
-  if (32 >>> 0 <= $4 >>> 0) {
+  if (32 <= $4 >>> 0) {
    $2 = 0;
    $0 = $3 >>> $1;
   } else {
@@ -80,7 +80,7 @@ function asmFunc(global, env, buffer) {
   var $3 = 0, $4 = 0, $5 = 0, $6 = 0, $7 = 0;
   $6 = $2 & 63;
   $3 = $6 & 31;
-  if (32 >>> 0 <= $6 >>> 0) {
+  if (32 <= $6 >>> 0) {
    $4 = -1 << $3;
    $7 = 0;
   } else {
@@ -90,7 +90,7 @@ function asmFunc(global, env, buffer) {
   $7 = $7 & $0;
   $3 = $1 & $4;
   $5 = $6 & 31;
-  if (32 >>> 0 <= $6 >>> 0) {
+  if (32 <= $6 >>> 0) {
    $4 = 0;
    $6 = $3 >>> $5;
   } else {
@@ -100,7 +100,7 @@ function asmFunc(global, env, buffer) {
   $7 = $4;
   $3 = 0 - $2 & 63;
   $5 = $3 & 31;
-  if (32 >>> 0 <= $3 >>> 0) {
+  if (32 <= $3 >>> 0) {
    $4 = 0;
    $2 = -1 >>> $5;
   } else {
@@ -110,7 +110,7 @@ function asmFunc(global, env, buffer) {
   $0 = $2 & $0;
   $1 = $1 & $4;
   $4 = $3 & 31;
-  if (32 >>> 0 <= $3 >>> 0) {
+  if (32 <= $3 >>> 0) {
    $2 = $0 << $4;
    $0 = 0;
   } else {