[turbofan] Type feedback for numeric comparisons.

src/compiler/verifier.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/verifier.h"
 
 #include <algorithm>
 #include <deque>
 #include <queue>
 #include <sstream>
@@ skipping 666 matching lines @@
       break;
     case IrOpcode::kNumberLessThan:
     case IrOpcode::kNumberLessThanOrEqual:
       // (Number, Number) -> Boolean
       CheckValueInputIs(node, 0, Type::NumberOrUndefined());
       CheckValueInputIs(node, 1, Type::NumberOrUndefined());
       CheckUpperIs(node, Type::Boolean());
       break;
     case IrOpcode::kSpeculativeNumberAdd:
     case IrOpcode::kSpeculativeNumberSubtract:
+      CheckUpperIs(node, Type::Number());
+      break;
+    case IrOpcode::kSpeculativeNumberEqual:
+    case IrOpcode::kSpeculativeNumberLessThan:
+    case IrOpcode::kSpeculativeNumberLessThanOrEqual:
+      CheckUpperIs(node, Type::Boolean());
       break;
     case IrOpcode::kNumberAdd:
     case IrOpcode::kNumberSubtract:
     case IrOpcode::kNumberMultiply:
     case IrOpcode::kNumberDivide:
       // (Number, Number) -> Number
       CheckValueInputIs(node, 0, Type::NumberOrUndefined());
       CheckValueInputIs(node, 1, Type::NumberOrUndefined());
       // CheckUpperIs(node, Type::Number());
       break;
@@ skipping 712 matching lines @@
          replacement->op()->EffectOutputCount() > 0);
   DCHECK(!NodeProperties::IsFrameStateEdge(edge) ||
          replacement->opcode() == IrOpcode::kFrameState);
 }
 
 #endif  // DEBUG
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8