Remove accidental duplication in cctest suite.

test/cctest/compiler/compiler/test-js-context-specialization.cc

Index: test/cctest/compiler/compiler/test-js-context-specialization.cc
diff --git a/test/cctest/compiler/compiler/test-js-context-specialization.cc b/test/cctest/compiler/compiler/test-js-context-specialization.cc
deleted file mode 100644
index 613ad0669b3e2907bee81d743c83fa48ada767c4..0000000000000000000000000000000000000000
--- a/test/cctest/compiler/compiler/test-js-context-specialization.cc
+++ /dev/null
@@ -1,252 +0,0 @@
-// 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/js-context-specialization.h"
-#include "src/compiler/js-operator.h"
-#include "src/compiler/node-matchers.h"
-#include "src/compiler/node-properties-inl.h"
-#include "src/compiler/simplified-node-factory.h"
-#include "src/compiler/source-position.h"
-#include "src/compiler/typer.h"
-#include "test/cctest/cctest.h"
-#include "test/cctest/compiler/function-tester.h"
-#include "test/cctest/compiler/graph-builder-tester.h"
-
-using namespace v8::internal;
-using namespace v8::internal::compiler;
-
-class ContextSpecializationTester
-    : public HandleAndZoneScope,
-      public DirectGraphBuilder,
-      public SimplifiedNodeFactory<ContextSpecializationTester> {
- public:
-  ContextSpecializationTester()
-      : DirectGraphBuilder(new (main_zone()) Graph(main_zone())),
-        common_(main_zone()),
-        javascript_(main_zone()),
-        simplified_(main_zone()),
-        typer_(main_zone()),
-        jsgraph_(graph(), common(), &typer_),
-        info_(main_isolate(), main_zone()) {}
-
-  Factory* factory() { return main_isolate()->factory(); }
-  CommonOperatorBuilder* common() { return &common_; }
-  JSOperatorBuilder* javascript() { return &javascript_; }
-  SimplifiedOperatorBuilder* simplified() { return &simplified_; }
-  JSGraph* jsgraph() { return &jsgraph_; }
-  CompilationInfo* info() { return &info_; }
-
- private:
-  CommonOperatorBuilder common_;
-  JSOperatorBuilder javascript_;
-  SimplifiedOperatorBuilder simplified_;
-  Typer typer_;
-  JSGraph jsgraph_;
-  CompilationInfo info_;
-};
-
-
-TEST(ReduceJSLoadContext) {
-  ContextSpecializationTester t;
-
-  Node* start = t.NewNode(t.common()->Start());
-  t.graph()->SetStart(start);
-
-  // Make a context and initialize it a bit for this test.
-  Handle<Context> native = t.factory()->NewNativeContext();
-  Handle<Context> ctx1 = t.factory()->NewNativeContext();
-  Handle<Context> ctx2 = t.factory()->NewNativeContext();
-  ctx2->set_previous(*ctx1);
-  ctx1->set_previous(*native);
-  Handle<Object> expected = t.factory()->InternalizeUtf8String("gboy!");
-  const int slot = Context::GLOBAL_OBJECT_INDEX;
-  native->set(slot, *expected);
-
-  Node* const_context = t.jsgraph()->Constant(native);
-  Node* param_context = t.NewNode(t.common()->Parameter(0));
-  JSContextSpecializer spec(t.info(), t.jsgraph(), const_context);
-
-  {
-    // Mutable slot, constant context, depth = 0 => do nothing.
-    t.info()->SetContext(native);
-    Node* load = t.NewNode(t.javascript()->LoadContext(0, 0, false),
-                           const_context, start, start);
-    Reduction r = spec.ReduceJSLoadContext(load);
-    CHECK(!r.Changed());
-  }
-
-  {
-    // Mutable slot, non-constant context, depth = 0 => do nothing.
-    t.info()->SetContext(native);
-    Node* load = t.NewNode(t.javascript()->LoadContext(0, 0, false),
-                           param_context, start, start);
-    Reduction r = spec.ReduceJSLoadContext(load);
-    CHECK(!r.Changed());
-  }
-
-  {
-    // Mutable slot, non-constant context, depth > 0 => fold-in parent context.
-    t.info()->SetContext(ctx2);
-    Node* load = t.NewNode(
-        t.javascript()->LoadContext(2, Context::GLOBAL_EVAL_FUN_INDEX, false),
-        param_context, start, start);
-    Reduction r = spec.ReduceJSLoadContext(load);
-    CHECK(r.Changed());
-    CHECK_EQ(IrOpcode::kHeapConstant, r.replacement()->InputAt(0)->opcode());
-    ValueMatcher<Handle<Context> > match(r.replacement()->InputAt(0));
-    CHECK_EQ(*native, *match.Value());
-    ContextAccess access = static_cast<Operator1<ContextAccess>*>(
-                               r.replacement()->op())->parameter();
-    CHECK_EQ(Context::GLOBAL_EVAL_FUN_INDEX, access.index());
-    CHECK_EQ(0, access.depth());
-    CHECK_EQ(false, access.immutable());
-  }
-
-  {
-    // Immutable slot, constant context => specialize.
-    t.info()->SetContext(native);
-    Node* load = t.NewNode(t.javascript()->LoadContext(0, slot, true),
-                           const_context, start, start);
-    Reduction r = spec.ReduceJSLoadContext(load);
-    CHECK(r.Changed());
-    CHECK(r.replacement() != load);
-
-    ValueMatcher<Handle<Object> > match(r.replacement());
-    CHECK(match.HasValue());
-    CHECK_EQ(*expected, *match.Value());
-  }
-
-  {
-    // Immutable slot, non-constant context => specialize.
-    t.info()->SetContext(native);
-    Node* load = t.NewNode(t.javascript()->LoadContext(0, slot, true),
-                           param_context, start, start);
-    Reduction r = spec.ReduceJSLoadContext(load);
-    CHECK(r.Changed());
-    CHECK(r.replacement() != load);
-
-    ValueMatcher<Handle<Object> > match(r.replacement());
-    CHECK(match.HasValue());
-    CHECK_EQ(*expected, *match.Value());
-  }
-
-  // TODO(titzer): test with other kinds of contexts, e.g. a function context.
-  // TODO(sigurds): test that loads below create context are not optimized
-}
-
-
-// TODO(titzer): factor out common code with effects checking in typed lowering.
-static void CheckEffectInput(Node* effect, Node* use) {
-  CHECK_EQ(effect, NodeProperties::GetEffectInput(use));
-}
-
-
-TEST(SpecializeToContext) {
-  ContextSpecializationTester t;
-
-  Node* start = t.NewNode(t.common()->Start());
-  t.graph()->SetStart(start);
-
-  // Make a context and initialize it a bit for this test.
-  Handle<Context> native = t.factory()->NewNativeContext();
-  Handle<Object> expected = t.factory()->InternalizeUtf8String("gboy!");
-  const int slot = Context::GLOBAL_OBJECT_INDEX;
-  native->set(slot, *expected);
-  t.info()->SetContext(native);
-
-  Node* const_context = t.jsgraph()->Constant(native);
-  Node* param_context = t.NewNode(t.common()->Parameter(0));
-  JSContextSpecializer spec(t.info(), t.jsgraph(), const_context);
-
-  {
-    // Check that SpecializeToContext() replaces values and forwards effects
-    // correctly, and folds values from constant and non-constant contexts
-    Node* effect_in = t.NewNode(t.common()->Start());
-    Node* load = t.NewNode(t.javascript()->LoadContext(0, slot, true),
-                           const_context, const_context, effect_in, start);
-
-
-    Node* value_use = t.ChangeTaggedToInt32(load);
-    Node* other_load = t.NewNode(t.javascript()->LoadContext(0, slot, true),
-                                 param_context, param_context, load, start);
-    Node* effect_use = other_load;
-    Node* other_use = t.ChangeTaggedToInt32(other_load);
-
-    // Double check the above graph is what we expect, or the test is broken.
-    CheckEffectInput(effect_in, load);
-    CheckEffectInput(load, effect_use);
-
-    // Perform the substitution on the entire graph.
-    spec.SpecializeToContext();
-
-    // Effects should have been forwarded (not replaced with a value).
-    CheckEffectInput(effect_in, effect_use);
-
-    // Use of {other_load} should not have been replaced.
-    CHECK_EQ(other_load, other_use->InputAt(0));
-
-    Node* replacement = value_use->InputAt(0);
-    ValueMatcher<Handle<Object> > match(replacement);
-    CHECK(match.HasValue());
-    CHECK_EQ(*expected, *match.Value());
-  }
-  // TODO(titzer): clean up above test and test more complicated effects.
-}
-
-
-TEST(SpecializeJSFunction_ToConstant1) {
-  FunctionTester T(
-      "(function() { var x = 1; function inc(a)"
-      " { return a + x; } return inc; })()");
-
-  T.CheckCall(1.0, 0.0, 0.0);
-  T.CheckCall(2.0, 1.0, 0.0);
-  T.CheckCall(2.1, 1.1, 0.0);
-}
-
-
-TEST(SpecializeJSFunction_ToConstant2) {
-  FunctionTester T(
-      "(function() { var x = 1.5; var y = 2.25; var z = 3.75;"
-      " function f(a) { return a - x + y - z; } return f; })()");
-
-  T.CheckCall(-3.0, 0.0, 0.0);
-  T.CheckCall(-2.0, 1.0, 0.0);
-  T.CheckCall(-1.9, 1.1, 0.0);
-}
-
-
-TEST(SpecializeJSFunction_ToConstant3) {
-  FunctionTester T(
-      "(function() { var x = -11.5; function inc()"
-      " { return (function(a) { return a + x; }); }"
-      " return inc(); })()");
-
-  T.CheckCall(-11.5, 0.0, 0.0);
-  T.CheckCall(-10.5, 1.0, 0.0);
-  T.CheckCall(-10.4, 1.1, 0.0);
-}
-
-
-TEST(SpecializeJSFunction_ToConstant_uninit) {
-  {
-    FunctionTester T(
-        "(function() { if (false) { var x = 1; } function inc(a)"
-        " { return x; } return inc; })()");  // x is undefined!
-
-    CHECK(T.Call(T.Val(0.0), T.Val(0.0)).ToHandleChecked()->IsUndefined());
-    CHECK(T.Call(T.Val(2.0), T.Val(0.0)).ToHandleChecked()->IsUndefined());
-    CHECK(T.Call(T.Val(-2.1), T.Val(0.0)).ToHandleChecked()->IsUndefined());
-  }
-
-  {
-    FunctionTester T(
-        "(function() { if (false) { var x = 1; } function inc(a)"
-        " { return a + x; } return inc; })()");  // x is undefined!
-
-    CHECK(T.Call(T.Val(0.0), T.Val(0.0)).ToHandleChecked()->IsNaN());
-    CHECK(T.Call(T.Val(2.0), T.Val(0.0)).ToHandleChecked()->IsNaN());
-    CHECK(T.Call(T.Val(-2.1), T.Val(0.0)).ToHandleChecked()->IsNaN());
-  }
-}