[compiler][cleanup] Move ToBoolean to simplified operator category

According to https://chromium-review.googlesource.com/c/v8/v8/+/725721/,
ToBoolean should be a simplified operator.

Change-Id: I4898e1c022f7b3083aefd880478529b18f0d2dad
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3361661Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: ji qiu <qiuji@iscas.ac.cn>
Cr-Commit-Position: refs/heads/main@{#78638}

src/compiler/simplified-lowering.cc

@@ -2100,17 +2100,6 @@ class RepresentationSelector {
       //------------------------------------------------------------------
       // JavaScript operators.
       //------------------------------------------------------------------
-      case IrOpcode::kToBoolean: {
-        if (truncation.IsUsedAsBool()) {
-          ProcessInput<T>(node, 0, UseInfo::Bool());
-          SetOutput<T>(node, MachineRepresentation::kBit);
-          if (lower<T>()) DeferReplacement(node, node->InputAt(0));
-        } else {
-          VisitInputs<T>(node);
-          SetOutput<T>(node, MachineRepresentation::kTaggedPointer);
-        }
-        return;
-      }
       case IrOpcode::kJSToNumber:
       case IrOpcode::kJSToNumberConvertBigInt:
       case IrOpcode::kJSToNumeric: {
@@ -2135,6 +2124,17 @@ class RepresentationSelector {
       //------------------------------------------------------------------
       // Simplified operators.
       //------------------------------------------------------------------
+      case IrOpcode::kToBoolean: {
+        if (truncation.IsUsedAsBool()) {
+          ProcessInput<T>(node, 0, UseInfo::Bool());
+          SetOutput<T>(node, MachineRepresentation::kBit);
+          if (lower<T>()) DeferReplacement(node, node->InputAt(0));
+        } else {
+          VisitInputs<T>(node);
+          SetOutput<T>(node, MachineRepresentation::kTaggedPointer);
+        }
+        return;
+      }
       case IrOpcode::kBooleanNot: {
         if (lower<T>()) {
           NodeInfo* input_info = GetInfo(node->InputAt(0));