[turbofan] JSTypeOf, JSStrictEqual, JSStrictNotEqual and JSToBoolean are pure.

test/unittests/compiler/js-typed-lowering-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 "src/code-factory.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 194 matching lines @@
 }
 
 
 // -----------------------------------------------------------------------------
 // JSToBoolean
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithBoolean) {
   Node* input = Parameter(Type::Boolean(), 0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_EQ(input, r.replacement());
 }
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithFalsish) {
   Node* input = Parameter(
       Type::Union(
           Type::MinusZero(),
           Type::Union(
               Type::NaN(),
               Type::Union(
                   Type::Null(),
                   Type::Union(
                       Type::Undefined(),
                       Type::Union(
                           Type::Undetectable(),
                           Type::Union(
                               Type::Constant(factory()->false_value(), zone()),
                               Type::Range(0.0, 0.0, zone()), zone()),
                           zone()),
                       zone()),
                   zone()),
               zone()),
           zone()),
       0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsFalseConstant());
 }
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithTruish) {
   Node* input = Parameter(
       Type::Union(
           Type::Constant(factory()->true_value(), zone()),
           Type::Union(Type::DetectableReceiver(), Type::Symbol(), zone()),
           zone()),
       0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsTrueConstant());
 }
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithNonZeroPlainNumber) {
   Node* input = Parameter(Type::Range(1, V8_INFINITY, zone()), 0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsTrueConstant());
 }
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithOrderedNumber) {
   Node* input = Parameter(Type::OrderedNumber(), 0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(),
               IsBooleanNot(IsNumberEqual(input, IsNumberConstant(0.0))));
 }
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithString) {
   Node* input = Parameter(Type::String(), 0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(
       r.replacement(),
       IsNumberLessThan(IsNumberConstant(0.0),
                        IsLoadField(AccessBuilder::ForStringLength(), input,
                                    graph()->start(), graph()->start())));
 }
 
 
 TEST_F(JSTypedLoweringTest, JSToBooleanWithAny) {
   Node* input = Parameter(Type::Any(), 0);
   Node* context = Parameter(Type::Any(), 1);
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->ToBoolean(ToBooleanHint::kAny),
-                              input, context, graph()->start()));
+  Reduction r = Reduce(graph()->NewNode(
+      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
   ASSERT_FALSE(r.Changed());
 }
 
 
 // -----------------------------------------------------------------------------
 // JSToNumber
 
 
 TEST_F(JSTypedLoweringTest, JSToNumberWithPlainPrimitive) {
   Node* const input = Parameter(Type::PlainPrimitive(), 0);
@@ skipping 61 matching lines @@
 
 // -----------------------------------------------------------------------------
 // JSStrictEqual
 
 
 TEST_F(JSTypedLoweringTest, JSStrictEqualWithTheHole) {
   Node* const the_hole = HeapConstant(factory()->the_hole_value());
   Node* const context = UndefinedConstant();
   TRACED_FOREACH(Type*, type, kJSTypes) {
     Node* const lhs = Parameter(type);
-    Reduction r =
-        Reduce(graph()->NewNode(javascript()->StrictEqual(), lhs, the_hole,
-                                context, graph()->start(), graph()->start()));
+    Reduction r = Reduce(
+        graph()->NewNode(javascript()->StrictEqual(), lhs, the_hole, context));
     ASSERT_TRUE(r.Changed());
     EXPECT_THAT(r.replacement(), IsFalseConstant());
   }
 }
 
 
 TEST_F(JSTypedLoweringTest, JSStrictEqualWithUnique) {
   Node* const lhs = Parameter(Type::Unique(), 0);
   Node* const rhs = Parameter(Type::Unique(), 1);
   Node* const context = Parameter(Type::Any(), 2);
   Reduction r =
-      Reduce(graph()->NewNode(javascript()->StrictEqual(), lhs, rhs, context,
-                              graph()->start(), graph()->start()));
+      Reduce(graph()->NewNode(javascript()->StrictEqual(), lhs, rhs, context));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsReferenceEqual(Type::Unique(), lhs, rhs));
 }
 
 
 // -----------------------------------------------------------------------------
 // JSShiftLeft
 
 
 TEST_F(JSTypedLoweringTest, JSShiftLeftWithSigned32AndConstant) {
@@ skipping 505 matching lines @@
   Node* dummy = graph()->NewNode(javascript()->ToObject(), instanceOf, context,
                                  frame_state, effect, control);
   Reduction r = Reduce(instanceOf);
   ASSERT_FALSE(r.Changed());
   ASSERT_EQ(instanceOf, dummy->InputAt(0));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8