[Interpreter] Add support for jumps using constants with wide operands.

src/compiler/bytecode-graph-builder.cc

 // Copyright 2015 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/bytecode-graph-builder.h"
 
 #include "src/compiler/bytecode-branch-analysis.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 1446 matching lines @@
   BuildJump();
 }
 
 
 void BytecodeGraphBuilder::VisitJumpConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
   BuildJump();
 }
 
 
+void BytecodeGraphBuilder::VisitJumpConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJump();
+}
+
+
 void BytecodeGraphBuilder::VisitJumpIfTrue(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->TrueConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->TrueConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfTrueConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->TrueConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->TrueConstant());
+}
+
+
+void BytecodeGraphBuilder::VisitJumpIfTrueConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJumpIfEqual(jsgraph()->TrueConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfFalse(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->FalseConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->FalseConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfFalseConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->FalseConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->FalseConstant());
+}
+
+
+void BytecodeGraphBuilder::VisitJumpIfFalseConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJumpIfEqual(jsgraph()->FalseConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfToBooleanTrue(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildToBooleanCondition(jsgraph()->TrueConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfToBooleanEqual(jsgraph()->TrueConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfToBooleanTrueConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildToBooleanCondition(jsgraph()->TrueConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfToBooleanEqual(jsgraph()->TrueConstant());
+}
+
+
+void BytecodeGraphBuilder::VisitJumpIfToBooleanTrueConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJumpIfToBooleanEqual(jsgraph()->TrueConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfToBooleanFalse(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildToBooleanCondition(jsgraph()->FalseConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfToBooleanEqual(jsgraph()->FalseConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfToBooleanFalseConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildToBooleanCondition(jsgraph()->FalseConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfToBooleanEqual(jsgraph()->FalseConstant());
+}
+
+
+void BytecodeGraphBuilder::VisitJumpIfToBooleanFalseConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJumpIfToBooleanEqual(jsgraph()->FalseConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfNull(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->NullConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->NullConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfNullConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->NullConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->NullConstant());
+}
+
+
+void BytecodeGraphBuilder::VisitJumpIfNullConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJumpIfEqual(jsgraph()->NullConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfUndefined(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->UndefinedConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->UndefinedConstant());
 }
 
 
 void BytecodeGraphBuilder::VisitJumpIfUndefinedConstant(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* condition = BuildCondition(jsgraph()->UndefinedConstant());
-  BuildConditionalJump(condition);
+  BuildJumpIfEqual(jsgraph()->UndefinedConstant());
 }
 
 
+void BytecodeGraphBuilder::VisitJumpIfUndefinedConstantWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  BuildJumpIfEqual(jsgraph()->UndefinedConstant());
+}
+
+
 void BytecodeGraphBuilder::VisitReturn(
     const interpreter::BytecodeArrayIterator& iterator) {
   Node* control =
       NewNode(common()->Return(), environment()->LookupAccumulator());
   UpdateControlDependencyToLeaveFunction(control);
   set_environment(nullptr);
 }
 
 
 void BytecodeGraphBuilder::VisitForInPrepare(
@@ skipping 121 matching lines @@
   int source_offset = bytecode_iterator()->current_offset();
   NewBranch(condition);
   Environment* if_false_environment = environment()->CopyForConditional();
   NewIfTrue();
   BuildJump(source_offset, bytecode_iterator()->GetJumpTargetOffset());
   set_environment(if_false_environment);
   NewIfFalse();
 }
 
 
-Node* BytecodeGraphBuilder::BuildCondition(Node* comperand) {
+void BytecodeGraphBuilder::BuildJumpIfEqual(Node* comperand) {
   Node* accumulator = environment()->LookupAccumulator();
-  return NewNode(javascript()->StrictEqual(), accumulator, comperand);
+  Node* condition =
+      NewNode(javascript()->StrictEqual(), accumulator, comperand);
+  BuildConditionalJump(condition);
 }
 
 
-Node* BytecodeGraphBuilder::BuildToBooleanCondition(Node* comperand) {
+void BytecodeGraphBuilder::BuildJumpIfToBooleanEqual(Node* comperand) {
   Node* accumulator = environment()->LookupAccumulator();
   Node* to_boolean =
       NewNode(javascript()->ToBoolean(ToBooleanHint::kAny), accumulator);
-  return NewNode(javascript()->StrictEqual(), to_boolean, comperand);
+  Node* condition = NewNode(javascript()->StrictEqual(), to_boolean, comperand);
+  BuildConditionalJump(condition);
 }
 
 
 Node** BytecodeGraphBuilder::EnsureInputBufferSize(int size) {
   if (size > input_buffer_size_) {
     size = size + kInputBufferSizeIncrement + input_buffer_size_;
     input_buffer_ = local_zone()->NewArray<Node*>(size);
     input_buffer_size_ = size;
   }
   return input_buffer_;
@@ skipping 140 matching lines @@
 
 void BytecodeGraphBuilder::UpdateControlDependencyToLeaveFunction(Node* exit) {
   if (environment()->IsMarkedAsUnreachable()) return;
   environment()->MarkAsUnreachable();
   exit_controls_.push_back(exit);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8