rename __label__ => label

5 files changed, 108 insertions, 108 deletions

diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index 6c0a8151..aedda961 100644
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -371,8 +371,8 @@ function removeAssignsToUndefined(ast) {
 }
 
 // XXX This is an invalid optimization
-// We sometimes leave some settings to __label__ that are not needed, if later in
-// the relooper we realize that we have a single entry, so no checks on __label__
+// We sometimes leave some settings to label that are not needed, if later in
+// the relooper we realize that we have a single entry, so no checks on label
 // are actually necessary. It's easy to clean those up now.
 function removeUnneededLabelSettings(ast) {
   traverse(ast, function(node, type) {
@@ -380,14 +380,14 @@ function removeUnneededLabelSettings(ast) {
       // Find all checks
       var checked = {};
       traverse(node, function(node, type) {
-        if (type == 'binary' && node[1] == '==' && node[2][0] == 'name' && node[2][1] == '__label__') {
+        if (type == 'binary' && node[1] == '==' && node[2][0] == 'name' && node[2][1] == 'label') {
           assert(node[3][0] == 'num');
           checked[node[3][1]] = 1;
         }
       });
       // Remove unneeded sets
       traverse(node, function(node, type) {
-        if (type == 'assign' && node[2][0] == 'name' && node[2][1] == '__label__') {
+        if (type == 'assign' && node[2][0] == 'name' && node[2][1] == 'label') {
           assert(node[3][0] == 'num');
           if (!(node[3][1] in checked)) return emptyNode();
         }
@@ -954,9 +954,9 @@ function getStatements(node) {
 }
 
 // Multiple blocks from the relooper are, in general, implemented by
-//   if (__label__ == x) { } else if ..
+//   if (label == x) { } else if ..
 // and branching into them by
-//   if (condition) { __label__ == x } else ..
+//   if (condition) { label == x } else ..
 // We can hoist the multiple block into the condition, thus removing code and one 'if' check
 function hoistMultiples(ast) {
   traverseGeneratedFunctions(ast, function(node) {
@@ -987,7 +987,7 @@ function hoistMultiples(ast) {
         // Look into this if, and its elseifs
         while (postInner && postInner[0] == 'if') {
           var cond = postInner[1];
-          if (cond[0] == 'binary' && cond[1] == '==' && cond[2][0] == 'name' && cond[2][1] == '__label__') {
+          if (cond[0] == 'binary' && cond[1] == '==' && cond[2][0] == 'name' && cond[2][1] == 'label') {
             assert(cond[3][0] == 'num');
             // We have a valid Multiple check here. Try to hoist it, look for the source in |pre| and its else's
             var labelNum = cond[3][1];
@@ -995,10 +995,10 @@ function hoistMultiples(ast) {
             assert(labelBlock[0] == 'block');
             var found = false;
             traverse(pre, function(preNode, preType) {
-              if (!found && preType == 'assign' && preNode[2][0] == 'name' && preNode[2][1] == '__label__') {
+              if (!found && preType == 'assign' && preNode[2][0] == 'name' && preNode[2][1] == 'label') {
                 assert(preNode[3][0] == 'num');
                 if (preNode[3][1] == labelNum) {
-                  // That's it! Hoist away. We can also throw away the __label__ setting as its goal has already been achieved
+                  // That's it! Hoist away. We can also throw away the label setting as its goal has already been achieved
                   found = true;
                   modifiedI = true;
                   postInner[2] = ['block', []];
@@ -1021,7 +1021,7 @@ function hoistMultiples(ast) {
       if (modified) return node;
     });
 
-    // After hoisting in this function, it is safe to remove { __label__ = x; } blocks, because
+    // After hoisting in this function, it is safe to remove { label = x; } blocks, because
     // if they were leading to the next code right after them, they would be hoisted, and if they
     // are going to some other place entirely, they would break or continue. The only risky
     // situation is if the code after us is a multiple, in which case we might be checking for
@@ -1035,7 +1035,7 @@ function hoistMultiples(ast) {
         if (node[0] == 'block' && node[1] && node[1].length > 0) {
           var subNode = node[1][node[1].length-1];
           if (subNode[0] == 'stat' && subNode[1][0] == 'assign' && subNode[1][2][0] == 'name' &&
-              subNode[1][2][1] == '__label__' && subNode[1][3][0] == 'num') {
+              subNode[1][2][1] == 'label' && subNode[1][3][0] == 'num') {
             if (node[1].length == 1) {
               return emptyNode();
             } else {
diff --git a/tools/test-js-optimizer-output.js b/tools/test-js-optimizer-output.js
index b9465d73..9c9fa063 100644
--- a/tools/test-js-optimizer-output.js
+++ b/tools/test-js-optimizer-output.js
@@ -91,11 +91,11 @@ function hoisting() {
   }
   pause(5);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
     somethingElse();
   }
-  if (__label__ == 55) {
+  if (label == 55) {
     callOther();
   }
   pause(6);
@@ -105,7 +105,7 @@ function hoisting() {
   pause(7);
   while (1) {
     if ($i >= $N) {
-      __label__ = 3;
+      label = 3;
       break;
     }
     somethingElse();
@@ -119,19 +119,19 @@ function hoisting() {
   do {
     if ($cmp95) {
       if (!$cmp103) {
-        __label__ = 38;
+        label = 38;
         break;
       }
       if (!$cmp106) {
-        __label__ = 38;
+        label = 38;
         break;
       }
-      __label__ = 39;
+      label = 39;
       break;
     }
-    __label__ = 38;
+    label = 38;
   } while (0);
-  if (__label__ == 38) {
+  if (label == 38) {
     var $79 = $_pr6;
   }
   pause(9);
@@ -200,15 +200,15 @@ function demangle($cmp) {
   do {
     if (!$cmp) {
       if (something()) {
-        __label__ = 3;
+        label = 3;
         break;
       }
       more();
       break;
     }
-    __label__ = 3;
+    label = 3;
   } while (0);
-  if (__label__ == 3) {
+  if (label == 3) {
     final();
   }
 }
@@ -229,15 +229,15 @@ function lua() {
   }
   pause();
   if ($1435 == 0) {
-    __label__ = 176;
+    label = 176;
     cheez();
   } else if ($1435 != 1) {
-    __label__ = 180;
+    label = 180;
     cheez();
   }
   pause();
   if ($1435 == 0) {
-    __label__ = 176;
+    label = 176;
     cheez();
   }
 }
diff --git a/tools/test-js-optimizer-regs.js b/tools/test-js-optimizer-regs.js
index 2aa95b74..4802afa3 100644
--- a/tools/test-js-optimizer-regs.js
+++ b/tools/test-js-optimizer-regs.js
@@ -24,7 +24,7 @@ function test() {
   f(ck());
 }
 function primes() {
-  var __label__;
+  var label;
   var $curri_01 = 2;
   var $primes_02 = 0;
   $_$2 : while (1) {
diff --git a/tools/test-js-optimizer-t3.js b/tools/test-js-optimizer-t3.js
index 489f0329..5519189f 100644
--- a/tools/test-js-optimizer-t3.js
+++ b/tools/test-js-optimizer-t3.js
@@ -1,30 +1,30 @@
 function _png_create_write_struct_2($user_png_ver, $error_ptr, $error_fn, $warn_fn, $mem_ptr, $malloc_fn, $free_fn) {
   var $png_ptr$s2;
-  var __label__;
-  __label__ = 2;
+  var label;
+  label = 2;
   var setjmpTable = {
     "2": (function(value) {
-      __label__ = 5;
+      label = 5;
       $call1 = value;
     }),
     dummy: 0
   };
   while (1) try {
-    switch (__label__) {
+    switch (label) {
      case 2:
       var $png_ptr;
       var $call = _png_create_struct(1);
       $png_ptr = $call;
-      var $call1 = (HEAP32[$png_ptr >> 2] = __label__, 0);
-      __label__ = 5;
+      var $call1 = (HEAP32[$png_ptr >> 2] = label, 0);
+      label = 5;
       break;
      case 5:
       var $2 = $png_ptr;
       if (($call1 | 0) == 0) {
-        __label__ = 4;
+        label = 4;
         break;
       } else {
-        __label__ = 3;
+        label = 3;
         break;
       }
      case 3:
@@ -33,13 +33,13 @@ function _png_create_write_struct_2($user_png_ver, $error_ptr, $error_fn, $warn_
       HEAP32[($png_ptr >> 2) + (148 >> 2)] = 0;
       _png_destroy_struct($png_ptr);
       var $retval_0 = 0;
-      __label__ = 4;
+      label = 4;
       break;
      case 4:
       var $retval_0;
       return $retval_0;
      default:
-      assert(0, "bad label: " + __label__);
+      assert(0, "bad label: " + label);
     }
   } catch (e) {
     if (!e.longjmp) throw e;
diff --git a/tools/test-js-optimizer.js b/tools/test-js-optimizer.js
index 7707b1dc..dc48575c 100644
--- a/tools/test-js-optimizer.js
+++ b/tools/test-js-optimizer.js
@@ -64,91 +64,91 @@ function maths() {
 }
 function hoisting() {
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   }
-  if (__label__ == 2) {
+  if (label == 2) {
     callOther();
   }
   pause(1);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
-    __label__ = 3;
+    label = 3;
   }
   $for_body3$$for_end$5 : do {
-    if (__label__ == 2) {
+    if (label == 2) {
       while(true) { break $for_body3$$for_end$5 }
       callOther();
     }
   } while (0);
   pause(2);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
-    __label__ = 3;
+    label = 3;
   }
   cheez: do {
-    if (__label__ == 2) {
+    if (label == 2) {
       if (callOther()) break cheez;
     }
   } while (0);
   pause(3);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
-    __label__ = 3;
+    label = 3;
   }
-  if (__label__ == 2) {
+  if (label == 2) {
     callOther();
   }
   pause(4);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
-    __label__ = 3;
+    label = 3;
   }
-  if (__label__ == 2) {
+  if (label == 2) {
     callOther();
-  } else if (__label__ == 3) {
+  } else if (label == 3) {
     somethingElse();
   }
   pause(5);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
-    __label__ = 3;
+    label = 3;
   }
-  if (__label__ == 55) {
+  if (label == 55) {
     callOther();
-  } else if (__label__ == 3) {
+  } else if (label == 3) {
     somethingElse();
   }
   pause(6);
   if ($i < $N) {
-    __label__ = 2;
+    label = 2;
   } else {
-    __label__ = 3;
+    label = 3;
   }
-  if (__label__ == 3) {
+  if (label == 3) {
     somethingElse();
   }
   pause(7);
   free: while (1) {
     if ($i < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3; // this cannot be removed!
+      label = 3; // this cannot be removed!
       break;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       somethingElse();
     }
     if ($i < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3; // this can be removed!
+      label = 3; // this can be removed!
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       somethingElse();
     }
     nothing();
@@ -156,94 +156,94 @@ function hoisting() {
   pause(8);
   var $cmp95 = $69 == -1;
   if ($cmp95) {
-    __label__ = 35;
+    label = 35;
   } else {
-    __label__ = 38;
+    label = 38;
   }
   $if_then96$$if_end110thread_pre_split$48 : do {
-    if (__label__ == 35) {
+    if (label == 35) {
       if (!$cmp103) {
-        __label__ = 38;
+        label = 38;
         break $if_then96$$if_end110thread_pre_split$48;
       }
       if (!$cmp106) {
-        __label__ = 38;
+        label = 38;
         break $if_then96$$if_end110thread_pre_split$48;
       }
-      __label__ = 39;
+      label = 39;
       break $if_then96$$if_end110thread_pre_split$48;
     }
   } while (0);
   $if_end110$$if_end110thread_pre_split$52 : do {
-    if (__label__ == 38) {
+    if (label == 38) {
       var $79 = $_pr6;
     }
   } while (0);
   pause(9);
   var $cmp70 = ($call69 | 0) != 0;
   if ($cmp70) {
-    __label__ = 40;
+    label = 40;
   } else {
-    __label__ = 41;
+    label = 41;
   }
   $if_then72$$if_end73$126 : do {
-    if (__label__ == 40) {} else if (__label__ == 41) {}
+    if (label == 40) {} else if (label == 41) {}
   } while (0);
   pause(10);
   while(check()) {
     if ($i < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3;
+      label = 3;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       callOther();
       break;
-    } else if (__label__ == 3) {
+    } else if (label == 3) {
       somethingElse();
     }
     if ($i1 < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3;
+      label = 3;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       callOther();
       continue;
-    } else if (__label__ == 3) {
+    } else if (label == 3) {
       somethingElse();
     }
     if ($i2 < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3;
+      label = 3;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       callOther();
-    } else if (__label__ == 3) {
+    } else if (label == 3) {
       somethingElse();
       break;
     }
     if ($i3 < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3;
+      label = 3;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       callOther();
-    } else if (__label__ == 3) {
+    } else if (label == 3) {
       somethingElse();
       continue;
     }
     if ($i4 < $N) {
-      __label__ = 2;
+      label = 2;
     } else {
-      __label__ = 3;
+      label = 3;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       callOther();
       break;
-    } else if (__label__ == 3) {
+    } else if (label == 3) {
       somethingElse();
       continue;
     }
@@ -252,9 +252,9 @@ function hoisting() {
 function innerShouldAlsoBeHoisted() {
   function hoisting() {
     if ($i < $N) {
-      __label__ = 2;
+      label = 2;
     }
-    if (__label__ == 2) {
+    if (label == 2) {
       callOther();
     }
   }
@@ -288,14 +288,14 @@ function sleep() {
 }
 function demangle($cmp) {
   if ($cmp) {
-    __label__ = 3;
+    label = 3;
   } else {
-    __label__ = 1;
+    label = 1;
   }
   $if_then$$lor_lhs_false$2 : do {
-    if (__label__ == 1) {
+    if (label == 1) {
       if (something()) {
-        __label__ = 3;
+        label = 3;
         break $if_then$$lor_lhs_false$2;
       }
       more();
@@ -303,7 +303,7 @@ function demangle($cmp) {
     }
   } while (0);
   $if_then$$return$6 : do {
-    if (__label__ == 3) {
+    if (label == 3) {
       final();
     }
   } while (0);
@@ -311,12 +311,12 @@ function demangle($cmp) {
 function lua() {
   $5$98 : while (1) {
     if ($14) {
-      __label__ = 3;
+      label = 3;
     } else {
-      __label__ = 4;
+      label = 4;
     }
     $15$$16$101 : do {
-      if (__label__ == 3) {} else if (__label__ == 4) {
+      if (label == 3) {} else if (label == 4) {
         var $17 = $i;
         var $18 = $3;
         var $19 = $18 + ($17 << 2) | 0;
@@ -330,15 +330,15 @@ function lua() {
   }
   pause();
   if ($1435 == 0) {
-    __label__ = 176;
+    label = 176;
     cheez();
   } else if ($1435 == 1) {} else {
-    __label__ = 180;
+    label = 180;
     cheez();
   }
   pause();
   if ($1435 == 0) {
-    __label__ = 176;
+    label = 176;
     cheez();
   } else if ($1435 == 1) {}
 }
@@ -374,7 +374,7 @@ function moreLabels() {
       }
     } else {
       var $_lcssa = $5;
-      __label__ = 2;
+      label = 2;
     }
   } while (0);
   var $_lcssa;