[turbofan] Initial import of SimplifiedOperatorReducer.

test/compiler-unittests/graph-unittest.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 "test/compiler-unittests/graph-unittest.h"
 
 #include <ostream>  // NOLINT(readability/streams)
 
 #include "src/compiler/node-properties-inl.h"
 
@@ skipping 22 matching lines @@
 namespace compiler {
 
 GraphTest::GraphTest(int num_parameters) : graph_(zone()) {
   graph()->SetStart(graph()->NewNode(common()->Start(num_parameters)));
 }
 
 
 GraphTest::~GraphTest() {}
 
 
+Node* GraphTest::Parameter(int32_t index) {
+  return graph()->NewNode(common()->Parameter(index), graph()->start());
+}
+
+
+Node* GraphTest::Float64Constant(double value) {
+  return graph()->NewNode(common()->Float64Constant(value));
+}
+
+
+Node* GraphTest::Int32Constant(int32_t value) {
+  return graph()->NewNode(common()->Int32Constant(value));
+}
+
+
+Node* GraphTest::NumberConstant(double value) {
+  return graph()->NewNode(common()->NumberConstant(value));
+}
+
+
+Node* GraphTest::HeapConstant(const PrintableUnique<HeapObject>& value) {
+  return graph()->NewNode(common()->HeapConstant(value));
+}
+
+
+Node* GraphTest::FalseConstant() {
+  return HeapConstant(PrintableUnique<HeapObject>::CreateImmovable(
+      zone(), factory()->false_value()));
+}
+
+
+Node* GraphTest::TrueConstant() {
+  return HeapConstant(PrintableUnique<HeapObject>::CreateImmovable(
+      zone(), factory()->true_value()));
+}
+
+
+Matcher<Node*> GraphTest::IsFalseConstant() {
+  return IsHeapConstant(PrintableUnique<HeapObject>::CreateImmovable(
+      zone(), factory()->false_value()));
+}
+
+
+Matcher<Node*> GraphTest::IsTrueConstant() {
+  return IsHeapConstant(PrintableUnique<HeapObject>::CreateImmovable(
+      zone(), factory()->true_value()));
+}
+
 namespace {
 
 template <typename T>
 bool PrintMatchAndExplain(const T& value, const char* value_name,
                           const Matcher<T>& value_matcher,
                           MatchResultListener* listener) {
   StringMatchResultListener value_listener;
   if (!value_matcher.MatchAndExplain(value, &value_listener)) {
     *listener << "whose " << value_name << " " << value << " doesn't match";
     if (value_listener.str() != "") {
@@ skipping 539 matching lines @@
       IrOpcode::kHeapConstant, value_matcher));
 }
 
 
 Matcher<Node*> IsInt32Constant(const Matcher<int32_t>& value_matcher) {
   return MakeMatcher(
       new IsConstantMatcher<int32_t>(IrOpcode::kInt32Constant, value_matcher));
 }
 
 
+Matcher<Node*> IsFloat64Constant(const Matcher<double>& value_matcher) {
+  return MakeMatcher(
+      new IsConstantMatcher<double>(IrOpcode::kFloat64Constant, value_matcher));
+}
+
+
 Matcher<Node*> IsNumberConstant(const Matcher<double>& value_matcher) {
   return MakeMatcher(
       new IsConstantMatcher<double>(IrOpcode::kNumberConstant, value_matcher));
 }
 
 
 Matcher<Node*> IsPhi(const Matcher<Node*>& value0_matcher,
                      const Matcher<Node*>& value1_matcher,
                      const Matcher<Node*>& merge_matcher) {
   return MakeMatcher(
@@ skipping 71 matching lines @@
 IS_UNOP_MATCHER(ChangeInt32ToInt64)
 IS_UNOP_MATCHER(ChangeUint32ToFloat64)
 IS_UNOP_MATCHER(ChangeUint32ToUint64)
 IS_UNOP_MATCHER(TruncateFloat64ToInt32)
 IS_UNOP_MATCHER(TruncateInt64ToInt32)
 #undef IS_UNOP_MATCHER
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8