Version 5.7.433.1 (cherry-pick)

src/crankshaft/hydrogen.cc

 // Copyright 2013 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/crankshaft/hydrogen.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
@@ skipping 8348 matching lines @@
     case kMathLog:
     case kMathClz32:
       if (expr->arguments()->length() == 1) {
         HValue* argument = Pop();
         Drop(2);  // Receiver and function.
         HInstruction* op = NewUncasted<HUnaryMathOperation>(argument, id);
         ast_context()->ReturnInstruction(op, expr->id());
         return true;
       }
       break;
-    case kMathCeil:
-      if (expr->arguments()->length() == 1) {
-        // Math.ceil(x) = -Math.floor(-x)
-        HValue* minus_zero = Add<HConstant>(-0.0);
-        HValue* argument = Pop();
-        Drop(2);  // Receiver and function.
-        argument = AddUncasted<HSub>(minus_zero, argument);
-        Add<HSimulate>(expr->id(), REMOVABLE_SIMULATE);
-        {
-          NoObservableSideEffectsScope scope(this);
-          argument = AddUncasted<HUnaryMathOperation>(argument, kMathFloor);
-          argument = AddUncasted<HSub>(minus_zero, argument);
-        }
-        ast_context()->ReturnValue(argument);
-        return true;
-      }
-      break;
     case kMathImul:
       if (expr->arguments()->length() == 2) {
         HValue* right = Pop();
         HValue* left = Pop();
         Drop(2);  // Receiver and function.
         HInstruction* op =
             HMul::NewImul(isolate(), zone(), context(), left, right);
         ast_context()->ReturnInstruction(op, expr->id());
         return true;
       }
@@ skipping 180 matching lines @@
     case kMathLog:
     case kMathClz32:
       if (argument_count == 2) {
         HValue* argument = Pop();
         Drop(2);  // Receiver and function.
         HInstruction* op = NewUncasted<HUnaryMathOperation>(argument, id);
         ast_context()->ReturnInstruction(op, ast_id);
         return true;
       }
       break;
-    case kMathCeil:
-      if (argument_count == 2) {
-        // Math.ceil(x) = -Math.floor(-x)
-        HValue* minus_zero = Add<HConstant>(-0.0);
-        HValue* argument = Pop();
-        Drop(2);  // Receiver and function.
-        argument = AddUncasted<HSub>(minus_zero, argument);
-        Add<HSimulate>(ast_id, REMOVABLE_SIMULATE);
-        {
-          NoObservableSideEffectsScope scope(this);
-          argument = AddUncasted<HUnaryMathOperation>(argument, kMathFloor);
-          argument = AddUncasted<HSub>(minus_zero, argument);
-        }
-        ast_context()->ReturnValue(argument);
-        return true;
-      }
-      break;
     case kMathPow:
       if (argument_count == 3) {
         HValue* right = Pop();
         HValue* left = Pop();
         Drop(2);  // Receiver and function.
         HInstruction* result = NULL;
         // Use sqrt() if exponent is 0.5 or -0.5.
         if (right->IsConstant() && HConstant::cast(right)->HasDoubleValue()) {
           double exponent = HConstant::cast(right)->DoubleValue();
           if (exponent == 0.5) {
@@ skipping 4429 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8