Remove accidental duplication in cctest suite.

test/cctest/compiler/compiler/test-representation-change.cc

Index: test/cctest/compiler/compiler/test-representation-change.cc
diff --git a/test/cctest/compiler/compiler/test-representation-change.cc b/test/cctest/compiler/compiler/test-representation-change.cc
deleted file mode 100644
index 2b63307c1a62f4152dc6adf6b70121ca37e70c7a..0000000000000000000000000000000000000000
--- a/test/cctest/compiler/compiler/test-representation-change.cc
+++ /dev/null
@@ -1,281 +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 <limits>
-
-#include "src/v8.h"
-#include "test/cctest/cctest.h"
-#include "test/cctest/compiler/graph-builder-tester.h"
-
-#include "src/compiler/node-matchers.h"
-#include "src/compiler/representation-change.h"
-#include "src/compiler/typer.h"
-
-using namespace v8::internal;
-using namespace v8::internal::compiler;
-
-namespace v8 {  // for friendiness.
-namespace internal {
-namespace compiler {
-
-class RepresentationChangerTester : public HandleAndZoneScope,
-                                    public GraphAndBuilders {
- public:
-  RepresentationChangerTester()
-      : GraphAndBuilders(main_zone()),
-        typer_(main_zone()),
-        jsgraph_(main_graph_, &main_common_, &typer_),
-        changer_(&jsgraph_, &main_simplified_, &main_machine_, main_isolate()) {
-  }
-
-  Typer typer_;
-  JSGraph jsgraph_;
-  RepresentationChanger changer_;
-
-  Isolate* isolate() { return main_isolate(); }
-  Graph* graph() { return main_graph_; }
-  CommonOperatorBuilder* common() { return &main_common_; }
-  JSGraph* jsgraph() { return &jsgraph_; }
-  RepresentationChanger* changer() { return &changer_; }
-
-  // TODO(titzer): use ValueChecker / ValueUtil
-  void CheckInt32Constant(Node* n, int32_t expected) {
-    ValueMatcher<int32_t> m(n);
-    CHECK(m.HasValue());
-    CHECK_EQ(expected, m.Value());
-  }
-
-  void CheckHeapConstant(Node* n, Object* expected) {
-    ValueMatcher<Handle<Object> > m(n);
-    CHECK(m.HasValue());
-    CHECK_EQ(expected, *m.Value());
-  }
-
-  void CheckNumberConstant(Node* n, double expected) {
-    ValueMatcher<double> m(n);
-    CHECK_EQ(IrOpcode::kNumberConstant, n->opcode());
-    CHECK(m.HasValue());
-    CHECK_EQ(expected, m.Value());
-  }
-
-  Node* Parameter(int index = 0) {
-    return graph()->NewNode(common()->Parameter(index));
-  }
-
-  void CheckTypeError(RepTypeUnion from, RepTypeUnion to) {
-    changer()->testing_type_errors_ = true;
-    changer()->type_error_ = false;
-    Node* n = Parameter(0);
-    Node* c = changer()->GetRepresentationFor(n, from, to);
-    CHECK_EQ(n, c);
-    CHECK(changer()->type_error_);
-  }
-
-  void CheckNop(RepTypeUnion from, RepTypeUnion to) {
-    Node* n = Parameter(0);
-    Node* c = changer()->GetRepresentationFor(n, from, to);
-    CHECK_EQ(n, c);
-  }
-};
-}
-}
-}  // namespace v8::internal::compiler
-
-
-static const RepType all_reps[] = {rBit, rWord32, rWord64, rFloat64, rTagged};
-
-
-// TODO(titzer): lift this to ValueHelper
-static const double double_inputs[] = {
-    0.0,   -0.0,    1.0,    -1.0,        0.1,         1.4,    -1.7,
-    2,     5,       6,      982983,      888,         -999.8, 3.1e7,
-    -2e66, 2.3e124, -12e73, V8_INFINITY, -V8_INFINITY};
-
-
-static const int32_t int32_inputs[] = {
-    0,      1,                                -1,
-    2,      5,                                6,
-    982983, 888,                              -999,
-    65535,  static_cast<int32_t>(0xFFFFFFFF), static_cast<int32_t>(0x80000000)};
-
-
-static const uint32_t uint32_inputs[] = {
-    0,      1,   static_cast<uint32_t>(-1),   2,     5,          6,
-    982983, 888, static_cast<uint32_t>(-999), 65535, 0xFFFFFFFF, 0x80000000};
-
-
-TEST(BoolToBit_constant) {
-  RepresentationChangerTester r;
-
-  Node* true_node = r.jsgraph()->TrueConstant();
-  Node* true_bit = r.changer()->GetRepresentationFor(true_node, rTagged, rBit);
-  r.CheckInt32Constant(true_bit, 1);
-
-  Node* false_node = r.jsgraph()->FalseConstant();
-  Node* false_bit =
-      r.changer()->GetRepresentationFor(false_node, rTagged, rBit);
-  r.CheckInt32Constant(false_bit, 0);
-}
-
-
-TEST(BitToBool_constant) {
-  RepresentationChangerTester r;
-
-  for (int i = -5; i < 5; i++) {
-    Node* node = r.jsgraph()->Int32Constant(i);
-    Node* val = r.changer()->GetRepresentationFor(node, rBit, rTagged);
-    r.CheckHeapConstant(val, i == 0 ? r.isolate()->heap()->false_value()
-                                    : r.isolate()->heap()->true_value());
-  }
-}
-
-
-TEST(ToTagged_constant) {
-  RepresentationChangerTester r;
-
-  for (size_t i = 0; i < ARRAY_SIZE(double_inputs); i++) {
-    Node* n = r.jsgraph()->Float64Constant(double_inputs[i]);
-    Node* c = r.changer()->GetRepresentationFor(n, rFloat64, rTagged);
-    r.CheckNumberConstant(c, double_inputs[i]);
-  }
-
-  for (size_t i = 0; i < ARRAY_SIZE(int32_inputs); i++) {
-    Node* n = r.jsgraph()->Int32Constant(int32_inputs[i]);
-    Node* c = r.changer()->GetRepresentationFor(n, rWord32 | tInt32, rTagged);
-    r.CheckNumberConstant(c, static_cast<double>(int32_inputs[i]));
-  }
-
-  for (size_t i = 0; i < ARRAY_SIZE(uint32_inputs); i++) {
-    Node* n = r.jsgraph()->Int32Constant(uint32_inputs[i]);
-    Node* c = r.changer()->GetRepresentationFor(n, rWord32 | tUint32, rTagged);
-    r.CheckNumberConstant(c, static_cast<double>(uint32_inputs[i]));
-  }
-}
-
-
-static void CheckChange(IrOpcode::Value expected, RepTypeUnion from,
-                        RepTypeUnion to) {
-  RepresentationChangerTester r;
-
-  Node* n = r.Parameter();
-  Node* c = r.changer()->GetRepresentationFor(n, from, to);
-
-  CHECK_NE(c, n);
-  CHECK_EQ(expected, c->opcode());
-  CHECK_EQ(n, c->InputAt(0));
-}
-
-
-TEST(SingleChanges) {
-  CheckChange(IrOpcode::kChangeBoolToBit, rTagged, rBit);
-  CheckChange(IrOpcode::kChangeBitToBool, rBit, rTagged);
-
-  CheckChange(IrOpcode::kChangeInt32ToTagged, rWord32 | tInt32, rTagged);
-  CheckChange(IrOpcode::kChangeUint32ToTagged, rWord32 | tUint32, rTagged);
-  CheckChange(IrOpcode::kChangeFloat64ToTagged, rFloat64, rTagged);
-
-  CheckChange(IrOpcode::kChangeTaggedToInt32, rTagged | tInt32, rWord32);
-  CheckChange(IrOpcode::kChangeTaggedToUint32, rTagged | tUint32, rWord32);
-  CheckChange(IrOpcode::kChangeTaggedToFloat64, rTagged, rFloat64);
-
-  // Int32,Uint32 <-> Float64 are actually machine conversions.
-  CheckChange(IrOpcode::kConvertInt32ToFloat64, rWord32 | tInt32, rFloat64);
-  CheckChange(IrOpcode::kConvertUint32ToFloat64, rWord32 | tUint32, rFloat64);
-  CheckChange(IrOpcode::kConvertFloat64ToInt32, rFloat64 | tInt32, rWord32);
-  CheckChange(IrOpcode::kConvertFloat64ToUint32, rFloat64 | tUint32, rWord32);
-}
-
-
-TEST(SignednessInWord32) {
-  RepresentationChangerTester r;
-
-  // TODO(titzer): these are currently type errors because the output type is
-  // not specified. Maybe the RepresentationChanger should assume anything to or
-  // from {rWord32} is {tInt32}, i.e. signed, if not it is explicitly otherwise?
-  r.CheckTypeError(rTagged, rWord32 | tInt32);
-  r.CheckTypeError(rTagged, rWord32 | tUint32);
-  r.CheckTypeError(rWord32, rFloat64);
-  r.CheckTypeError(rFloat64, rWord32);
-
-  //  CheckChange(IrOpcode::kChangeTaggedToInt32, rTagged, rWord32 | tInt32);
-  //  CheckChange(IrOpcode::kChangeTaggedToUint32, rTagged, rWord32 | tUint32);
-  //  CheckChange(IrOpcode::kConvertInt32ToFloat64, rWord32, rFloat64);
-  //  CheckChange(IrOpcode::kConvertFloat64ToInt32, rFloat64, rWord32);
-}
-
-
-TEST(Nops) {
-  RepresentationChangerTester r;
-
-  // X -> X is always a nop for any single representation X.
-  for (size_t i = 0; i < ARRAY_SIZE(all_reps); i++) {
-    r.CheckNop(all_reps[i], all_reps[i]);
-  }
-
-  // 32-bit or 64-bit words can be used as branch conditions (rBit).
-  r.CheckNop(rWord32, rBit);
-  r.CheckNop(rWord32, rBit | tBool);
-  r.CheckNop(rWord64, rBit);
-  r.CheckNop(rWord64, rBit | tBool);
-
-  // rBit (result of comparison) is implicitly a wordish thing.
-  r.CheckNop(rBit, rWord32);
-  r.CheckNop(rBit | tBool, rWord32);
-  r.CheckNop(rBit, rWord64);
-  r.CheckNop(rBit | tBool, rWord64);
-}
-
-
-TEST(TypeErrors) {
-  RepresentationChangerTester r;
-
-  // Floats cannot be implicitly converted to/from comparison conditions.
-  r.CheckTypeError(rFloat64, rBit);
-  r.CheckTypeError(rFloat64, rBit | tBool);
-  r.CheckTypeError(rBit, rFloat64);
-  r.CheckTypeError(rBit | tBool, rFloat64);
-
-  // Word64 is internal and shouldn't be implicitly converted.
-  r.CheckTypeError(rWord64, rTagged | tBool);
-  r.CheckTypeError(rWord64, rTagged);
-  r.CheckTypeError(rWord64, rTagged | tBool);
-  r.CheckTypeError(rTagged, rWord64);
-  r.CheckTypeError(rTagged | tBool, rWord64);
-
-  // Word64 / Word32 shouldn't be implicitly converted.
-  r.CheckTypeError(rWord64, rWord32);
-  r.CheckTypeError(rWord32, rWord64);
-  r.CheckTypeError(rWord64, rWord32 | tInt32);
-  r.CheckTypeError(rWord32 | tInt32, rWord64);
-  r.CheckTypeError(rWord64, rWord32 | tUint32);
-  r.CheckTypeError(rWord32 | tUint32, rWord64);
-
-  for (size_t i = 0; i < ARRAY_SIZE(all_reps); i++) {
-    for (size_t j = 0; j < ARRAY_SIZE(all_reps); j++) {
-      if (i == j) continue;
-      // Only a single from representation is allowed.
-      r.CheckTypeError(all_reps[i] | all_reps[j], rTagged);
-    }
-  }
-}
-
-
-TEST(CompleteMatrix) {
-  // TODO(titzer): test all variants in the matrix.
-  // rB
-  // tBrB
-  // tBrT
-  // rW32
-  // tIrW32
-  // tUrW32
-  // rW64
-  // tIrW64
-  // tUrW64
-  // rF64
-  // tIrF64
-  // tUrF64
-  // tArF64
-  // rT
-  // tArT
-}