50c466e883
LOG=n BUG=v8:3589 TEST=compiler-unittests,cctest R=titzer@chromium.org Review URL: https://codereview.chromium.org/596703004 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
1526 lines
51 KiB
C++
1526 lines
51 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <limits>
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#include "src/compiler/access-builder.h"
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#include "src/compiler/control-builders.h"
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#include "src/compiler/generic-node-inl.h"
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#include "src/compiler/graph-visualizer.h"
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#include "src/compiler/node-properties-inl.h"
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#include "src/compiler/pipeline.h"
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#include "src/compiler/representation-change.h"
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#include "src/compiler/simplified-lowering.h"
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#include "src/compiler/typer.h"
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#include "src/compiler/verifier.h"
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#include "src/execution.h"
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#include "src/parser.h"
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#include "src/rewriter.h"
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#include "src/scopes.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/compiler/codegen-tester.h"
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#include "test/cctest/compiler/graph-builder-tester.h"
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#include "test/cctest/compiler/value-helper.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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template <typename ReturnType>
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class SimplifiedLoweringTester : public GraphBuilderTester<ReturnType> {
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public:
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SimplifiedLoweringTester(MachineType p0 = kMachNone,
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MachineType p1 = kMachNone,
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MachineType p2 = kMachNone,
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MachineType p3 = kMachNone,
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MachineType p4 = kMachNone)
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: GraphBuilderTester<ReturnType>(p0, p1, p2, p3, p4),
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typer(this->zone()),
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javascript(this->zone()),
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jsgraph(this->graph(), this->common(), &javascript, &typer,
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this->machine()),
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lowering(&jsgraph) {}
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Typer typer;
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JSOperatorBuilder javascript;
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JSGraph jsgraph;
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SimplifiedLowering lowering;
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void LowerAllNodes() {
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this->End();
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lowering.LowerAllNodes();
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}
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Factory* factory() { return this->isolate()->factory(); }
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Heap* heap() { return this->isolate()->heap(); }
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};
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#ifndef V8_TARGET_ARCH_ARM64
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// TODO(titzer): these result in a stub call that doesn't work on ARM64.
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// TODO(titzer): factor these tests out to test-run-simplifiedops.cc.
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// TODO(titzer): test tagged representation for input to NumberToInt32.
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TEST(RunNumberToInt32_float64) {
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// TODO(titzer): explicit load/stores here are only because of representations
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double input;
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int32_t result;
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SimplifiedLoweringTester<Object*> t;
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FieldAccess load = {kUntaggedBase, 0, Handle<Name>(), Type::Number(),
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kMachFloat64};
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Node* loaded = t.LoadField(load, t.PointerConstant(&input));
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Node* convert = t.NumberToInt32(loaded);
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FieldAccess store = {kUntaggedBase, 0, Handle<Name>(), Type::Signed32(),
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kMachInt32};
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t.StoreField(store, t.PointerConstant(&result), convert);
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t.Return(t.jsgraph.TrueConstant());
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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FOR_FLOAT64_INPUTS(i) {
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input = *i;
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int32_t expected = DoubleToInt32(*i);
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t.Call();
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CHECK_EQ(expected, result);
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}
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}
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}
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// TODO(titzer): test tagged representation for input to NumberToUint32.
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TEST(RunNumberToUint32_float64) {
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// TODO(titzer): explicit load/stores here are only because of representations
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double input;
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uint32_t result;
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SimplifiedLoweringTester<Object*> t;
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FieldAccess load = {kUntaggedBase, 0, Handle<Name>(), Type::Number(),
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kMachFloat64};
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Node* loaded = t.LoadField(load, t.PointerConstant(&input));
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Node* convert = t.NumberToUint32(loaded);
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FieldAccess store = {kUntaggedBase, 0, Handle<Name>(), Type::Unsigned32(),
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kMachUint32};
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t.StoreField(store, t.PointerConstant(&result), convert);
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t.Return(t.jsgraph.TrueConstant());
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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FOR_FLOAT64_INPUTS(i) {
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input = *i;
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uint32_t expected = DoubleToUint32(*i);
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t.Call();
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CHECK_EQ(static_cast<int32_t>(expected), static_cast<int32_t>(result));
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}
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}
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}
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#endif
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// Create a simple JSObject with a unique map.
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static Handle<JSObject> TestObject() {
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static int index = 0;
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char buffer[50];
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v8::base::OS::SNPrintF(buffer, 50, "({'a_%d':1})", index++);
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return Handle<JSObject>::cast(v8::Utils::OpenHandle(*CompileRun(buffer)));
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}
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TEST(RunLoadMap) {
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged);
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FieldAccess access = AccessBuilder::ForMap();
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Node* load = t.LoadField(access, t.Parameter(0));
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t.Return(load);
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Handle<JSObject> src = TestObject();
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Handle<Map> src_map(src->map());
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Object* result = t.Call(*src); // TODO(titzer): raw pointers in call
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CHECK_EQ(*src_map, result);
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}
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}
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TEST(RunStoreMap) {
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SimplifiedLoweringTester<int32_t> t(kMachAnyTagged, kMachAnyTagged);
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FieldAccess access = AccessBuilder::ForMap();
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t.StoreField(access, t.Parameter(1), t.Parameter(0));
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t.Return(t.jsgraph.TrueConstant());
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Handle<JSObject> src = TestObject();
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Handle<Map> src_map(src->map());
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Handle<JSObject> dst = TestObject();
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CHECK(src->map() != dst->map());
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t.Call(*src_map, *dst); // TODO(titzer): raw pointers in call
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CHECK(*src_map == dst->map());
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}
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}
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TEST(RunLoadProperties) {
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged);
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FieldAccess access = AccessBuilder::ForJSObjectProperties();
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Node* load = t.LoadField(access, t.Parameter(0));
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t.Return(load);
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Handle<JSObject> src = TestObject();
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Handle<FixedArray> src_props(src->properties());
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Object* result = t.Call(*src); // TODO(titzer): raw pointers in call
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CHECK_EQ(*src_props, result);
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}
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}
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TEST(RunLoadStoreMap) {
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged, kMachAnyTagged);
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FieldAccess access = AccessBuilder::ForMap();
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Node* load = t.LoadField(access, t.Parameter(0));
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t.StoreField(access, t.Parameter(1), load);
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t.Return(load);
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Handle<JSObject> src = TestObject();
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Handle<Map> src_map(src->map());
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Handle<JSObject> dst = TestObject();
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CHECK(src->map() != dst->map());
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Object* result = t.Call(*src, *dst); // TODO(titzer): raw pointers in call
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CHECK(result->IsMap());
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CHECK_EQ(*src_map, result);
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CHECK(*src_map == dst->map());
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}
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}
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TEST(RunLoadStoreFixedArrayIndex) {
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged);
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ElementAccess access = AccessBuilder::ForFixedArrayElement();
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Node* load = t.LoadElement(access, t.Parameter(0), t.Int32Constant(0),
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t.Int32Constant(2));
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t.StoreElement(access, t.Parameter(0), t.Int32Constant(1), t.Int32Constant(2),
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load);
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t.Return(load);
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Handle<FixedArray> array = t.factory()->NewFixedArray(2);
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Handle<JSObject> src = TestObject();
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Handle<JSObject> dst = TestObject();
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array->set(0, *src);
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array->set(1, *dst);
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Object* result = t.Call(*array);
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CHECK_EQ(*src, result);
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CHECK_EQ(*src, array->get(0));
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CHECK_EQ(*src, array->get(1));
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}
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}
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TEST(RunLoadStoreArrayBuffer) {
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged);
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const int index = 12;
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const int array_length = 2 * index;
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ElementAccess buffer_access =
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AccessBuilder::ForBackingStoreElement(kMachInt8);
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Node* backing_store = t.LoadField(
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AccessBuilder::ForJSArrayBufferBackingStore(), t.Parameter(0));
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Node* load =
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t.LoadElement(buffer_access, backing_store, t.Int32Constant(index),
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t.Int32Constant(array_length));
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t.StoreElement(buffer_access, backing_store, t.Int32Constant(index + 1),
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t.Int32Constant(array_length), load);
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t.Return(t.jsgraph.TrueConstant());
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Handle<JSArrayBuffer> array = t.factory()->NewJSArrayBuffer();
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Runtime::SetupArrayBufferAllocatingData(t.isolate(), array, array_length);
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uint8_t* data = reinterpret_cast<uint8_t*>(array->backing_store());
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for (int i = 0; i < array_length; i++) {
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data[i] = i;
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}
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// TODO(titzer): raw pointers in call
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Object* result = t.Call(*array);
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CHECK_EQ(t.isolate()->heap()->true_value(), result);
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for (int i = 0; i < array_length; i++) {
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uint8_t expected = i;
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if (i == (index + 1)) expected = index;
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CHECK_EQ(data[i], expected);
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}
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}
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}
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TEST(RunLoadFieldFromUntaggedBase) {
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Smi* smis[] = {Smi::FromInt(1), Smi::FromInt(2), Smi::FromInt(3)};
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for (size_t i = 0; i < arraysize(smis); i++) {
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int offset = static_cast<int>(i * sizeof(Smi*));
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FieldAccess access = {kUntaggedBase, offset, Handle<Name>(),
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Type::Integral32(), kMachAnyTagged};
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SimplifiedLoweringTester<Object*> t;
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Node* load = t.LoadField(access, t.PointerConstant(smis));
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t.Return(load);
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t.LowerAllNodes();
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if (!Pipeline::SupportedTarget()) continue;
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for (int j = -5; j <= 5; j++) {
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Smi* expected = Smi::FromInt(j);
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smis[i] = expected;
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CHECK_EQ(expected, t.Call());
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}
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}
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}
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TEST(RunStoreFieldToUntaggedBase) {
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Smi* smis[] = {Smi::FromInt(1), Smi::FromInt(2), Smi::FromInt(3)};
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for (size_t i = 0; i < arraysize(smis); i++) {
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int offset = static_cast<int>(i * sizeof(Smi*));
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FieldAccess access = {kUntaggedBase, offset, Handle<Name>(),
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Type::Integral32(), kMachAnyTagged};
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged);
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Node* p0 = t.Parameter(0);
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t.StoreField(access, t.PointerConstant(smis), p0);
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t.Return(p0);
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t.LowerAllNodes();
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if (!Pipeline::SupportedTarget()) continue;
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for (int j = -5; j <= 5; j++) {
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Smi* expected = Smi::FromInt(j);
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smis[i] = Smi::FromInt(-100);
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CHECK_EQ(expected, t.Call(expected));
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CHECK_EQ(expected, smis[i]);
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}
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}
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}
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TEST(RunLoadElementFromUntaggedBase) {
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Smi* smis[] = {Smi::FromInt(1), Smi::FromInt(2), Smi::FromInt(3),
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Smi::FromInt(4), Smi::FromInt(5)};
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for (size_t i = 0; i < arraysize(smis); i++) { // for header sizes
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for (size_t j = 0; (i + j) < arraysize(smis); j++) { // for element index
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int offset = static_cast<int>(i * sizeof(Smi*));
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ElementAccess access = {kUntaggedBase, offset, Type::Integral32(),
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kMachAnyTagged};
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SimplifiedLoweringTester<Object*> t;
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Node* load = t.LoadElement(
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access, t.PointerConstant(smis), t.Int32Constant(static_cast<int>(j)),
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t.Int32Constant(static_cast<int>(arraysize(smis))));
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t.Return(load);
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t.LowerAllNodes();
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if (!Pipeline::SupportedTarget()) continue;
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for (int k = -5; k <= 5; k++) {
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Smi* expected = Smi::FromInt(k);
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smis[i + j] = expected;
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CHECK_EQ(expected, t.Call());
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}
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}
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}
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}
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TEST(RunStoreElementFromUntaggedBase) {
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Smi* smis[] = {Smi::FromInt(1), Smi::FromInt(2), Smi::FromInt(3),
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Smi::FromInt(4), Smi::FromInt(5)};
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for (size_t i = 0; i < arraysize(smis); i++) { // for header sizes
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for (size_t j = 0; (i + j) < arraysize(smis); j++) { // for element index
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int offset = static_cast<int>(i * sizeof(Smi*));
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ElementAccess access = {kUntaggedBase, offset, Type::Integral32(),
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kMachAnyTagged};
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SimplifiedLoweringTester<Object*> t(kMachAnyTagged);
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Node* p0 = t.Parameter(0);
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t.StoreElement(access, t.PointerConstant(smis),
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t.Int32Constant(static_cast<int>(j)),
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t.Int32Constant(static_cast<int>(arraysize(smis))), p0);
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t.Return(p0);
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t.LowerAllNodes();
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if (!Pipeline::SupportedTarget()) continue;
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for (int k = -5; k <= 5; k++) {
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Smi* expected = Smi::FromInt(k);
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smis[i + j] = Smi::FromInt(-100);
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CHECK_EQ(expected, t.Call(expected));
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CHECK_EQ(expected, smis[i + j]);
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}
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// TODO(titzer): assert the contents of the array.
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}
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}
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}
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// A helper class for accessing fields and elements of various types, on both
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// tagged and untagged base pointers. Contains both tagged and untagged buffers
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// for testing direct memory access from generated code.
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template <typename E>
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class AccessTester : public HandleAndZoneScope {
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public:
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bool tagged;
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MachineType rep;
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E* original_elements;
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size_t num_elements;
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E* untagged_array;
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Handle<ByteArray> tagged_array; // TODO(titzer): use FixedArray for tagged.
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AccessTester(bool t, MachineType r, E* orig, size_t num)
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: tagged(t),
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rep(r),
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original_elements(orig),
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num_elements(num),
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untagged_array(static_cast<E*>(malloc(ByteSize()))),
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tagged_array(main_isolate()->factory()->NewByteArray(
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static_cast<int>(ByteSize()))) {
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Reinitialize();
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}
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~AccessTester() { free(untagged_array); }
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size_t ByteSize() { return num_elements * sizeof(E); }
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// Nuke both {untagged_array} and {tagged_array} with {original_elements}.
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void Reinitialize() {
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memcpy(untagged_array, original_elements, ByteSize());
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CHECK_EQ(static_cast<int>(ByteSize()), tagged_array->length());
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E* raw = reinterpret_cast<E*>(tagged_array->GetDataStartAddress());
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memcpy(raw, original_elements, ByteSize());
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}
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// Create and run code that copies the element in either {untagged_array}
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// or {tagged_array} at index {from_index} to index {to_index}.
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void RunCopyElement(int from_index, int to_index) {
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// TODO(titzer): test element and field accesses where the base is not
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// a constant in the code.
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BoundsCheck(from_index);
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BoundsCheck(to_index);
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ElementAccess access = GetElementAccess();
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SimplifiedLoweringTester<Object*> t;
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Node* ptr = GetBaseNode(&t);
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Node* load = t.LoadElement(access, ptr, t.Int32Constant(from_index),
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t.Int32Constant(static_cast<int>(num_elements)));
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t.StoreElement(access, ptr, t.Int32Constant(to_index),
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t.Int32Constant(static_cast<int>(num_elements)), load);
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t.Return(t.jsgraph.TrueConstant());
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Object* result = t.Call();
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CHECK_EQ(t.isolate()->heap()->true_value(), result);
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}
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}
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// Create and run code that copies the field in either {untagged_array}
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// or {tagged_array} at index {from_index} to index {to_index}.
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void RunCopyField(int from_index, int to_index) {
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BoundsCheck(from_index);
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BoundsCheck(to_index);
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FieldAccess from_access = GetFieldAccess(from_index);
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FieldAccess to_access = GetFieldAccess(to_index);
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SimplifiedLoweringTester<Object*> t;
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Node* ptr = GetBaseNode(&t);
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Node* load = t.LoadField(from_access, ptr);
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t.StoreField(to_access, ptr, load);
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t.Return(t.jsgraph.TrueConstant());
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t.LowerAllNodes();
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t.GenerateCode();
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if (Pipeline::SupportedTarget()) {
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Object* result = t.Call();
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CHECK_EQ(t.isolate()->heap()->true_value(), result);
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}
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}
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// Create and run code that copies the elements from {this} to {that}.
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void RunCopyElements(AccessTester<E>* that) {
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// TODO(titzer): Rewrite this test without StructuredGraphBuilder support.
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#if 0
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SimplifiedLoweringTester<Object*> t;
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Node* one = t.Int32Constant(1);
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Node* index = t.Int32Constant(0);
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Node* limit = t.Int32Constant(static_cast<int>(num_elements));
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t.environment()->Push(index);
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|
Node* src = this->GetBaseNode(&t);
|
|
Node* dst = that->GetBaseNode(&t);
|
|
{
|
|
LoopBuilder loop(&t);
|
|
loop.BeginLoop();
|
|
// Loop exit condition
|
|
index = t.environment()->Top();
|
|
Node* condition = t.Int32LessThan(index, limit);
|
|
loop.BreakUnless(condition);
|
|
// dst[index] = src[index]
|
|
index = t.environment()->Pop();
|
|
Node* load = t.LoadElement(this->GetElementAccess(), src, index);
|
|
t.StoreElement(that->GetElementAccess(), dst, index, load);
|
|
// index++
|
|
index = t.Int32Add(index, one);
|
|
t.environment()->Push(index);
|
|
// continue
|
|
loop.EndBody();
|
|
loop.EndLoop();
|
|
}
|
|
index = t.environment()->Pop();
|
|
t.Return(t.jsgraph.TrueConstant());
|
|
t.LowerAllNodes();
|
|
t.GenerateCode();
|
|
|
|
if (Pipeline::SupportedTarget()) {
|
|
Object* result = t.Call();
|
|
CHECK_EQ(t.isolate()->heap()->true_value(), result);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
E GetElement(int index) {
|
|
BoundsCheck(index);
|
|
if (tagged) {
|
|
E* raw = reinterpret_cast<E*>(tagged_array->GetDataStartAddress());
|
|
return raw[index];
|
|
} else {
|
|
return untagged_array[index];
|
|
}
|
|
}
|
|
|
|
private:
|
|
ElementAccess GetElementAccess() {
|
|
ElementAccess access = {tagged ? kTaggedBase : kUntaggedBase,
|
|
tagged ? FixedArrayBase::kHeaderSize : 0,
|
|
Type::Any(), rep};
|
|
return access;
|
|
}
|
|
|
|
FieldAccess GetFieldAccess(int field) {
|
|
int offset = field * sizeof(E);
|
|
FieldAccess access = {tagged ? kTaggedBase : kUntaggedBase,
|
|
offset + (tagged ? FixedArrayBase::kHeaderSize : 0),
|
|
Handle<Name>(), Type::Any(), rep};
|
|
return access;
|
|
}
|
|
|
|
template <typename T>
|
|
Node* GetBaseNode(SimplifiedLoweringTester<T>* t) {
|
|
return tagged ? t->HeapConstant(tagged_array)
|
|
: t->PointerConstant(untagged_array);
|
|
}
|
|
|
|
void BoundsCheck(int index) {
|
|
CHECK_GE(index, 0);
|
|
CHECK_LT(index, static_cast<int>(num_elements));
|
|
CHECK_EQ(static_cast<int>(ByteSize()), tagged_array->length());
|
|
}
|
|
};
|
|
|
|
|
|
template <typename E>
|
|
static void RunAccessTest(MachineType rep, E* original_elements, size_t num) {
|
|
int num_elements = static_cast<int>(num);
|
|
|
|
for (int taggedness = 0; taggedness < 2; taggedness++) {
|
|
AccessTester<E> a(taggedness == 1, rep, original_elements, num);
|
|
for (int field = 0; field < 2; field++) {
|
|
for (int i = 0; i < num_elements - 1; i++) {
|
|
a.Reinitialize();
|
|
if (field == 0) {
|
|
a.RunCopyField(i, i + 1); // Test field read/write.
|
|
} else {
|
|
a.RunCopyElement(i, i + 1); // Test element read/write.
|
|
}
|
|
if (Pipeline::SupportedTarget()) { // verify.
|
|
for (int j = 0; j < num_elements; j++) {
|
|
E expect =
|
|
j == (i + 1) ? original_elements[i] : original_elements[j];
|
|
CHECK_EQ(expect, a.GetElement(j));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Test array copy.
|
|
for (int tf = 0; tf < 2; tf++) {
|
|
for (int tt = 0; tt < 2; tt++) {
|
|
AccessTester<E> a(tf == 1, rep, original_elements, num);
|
|
AccessTester<E> b(tt == 1, rep, original_elements, num);
|
|
a.RunCopyElements(&b);
|
|
if (Pipeline::SupportedTarget()) { // verify.
|
|
for (int i = 0; i < num_elements; i++) {
|
|
CHECK_EQ(a.GetElement(i), b.GetElement(i));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST(RunAccessTests_uint8) {
|
|
uint8_t data[] = {0x07, 0x16, 0x25, 0x34, 0x43, 0x99,
|
|
0xab, 0x78, 0x89, 0x19, 0x2b, 0x38};
|
|
RunAccessTest<uint8_t>(kMachInt8, data, arraysize(data));
|
|
}
|
|
|
|
|
|
TEST(RunAccessTests_uint16) {
|
|
uint16_t data[] = {0x071a, 0x162b, 0x253c, 0x344d, 0x435e, 0x7777};
|
|
RunAccessTest<uint16_t>(kMachInt16, data, arraysize(data));
|
|
}
|
|
|
|
|
|
TEST(RunAccessTests_int32) {
|
|
int32_t data[] = {-211, 211, 628347, 2000000000, -2000000000, -1, -100000034};
|
|
RunAccessTest<int32_t>(kMachInt32, data, arraysize(data));
|
|
}
|
|
|
|
|
|
#define V8_2PART_INT64(a, b) (((static_cast<int64_t>(a) << 32) + 0x##b##u))
|
|
|
|
|
|
TEST(RunAccessTests_int64) {
|
|
if (kPointerSize != 8) return;
|
|
int64_t data[] = {V8_2PART_INT64(0x10111213, 14151617),
|
|
V8_2PART_INT64(0x20212223, 24252627),
|
|
V8_2PART_INT64(0x30313233, 34353637),
|
|
V8_2PART_INT64(0xa0a1a2a3, a4a5a6a7),
|
|
V8_2PART_INT64(0xf0f1f2f3, f4f5f6f7)};
|
|
RunAccessTest<int64_t>(kMachInt64, data, arraysize(data));
|
|
}
|
|
|
|
|
|
TEST(RunAccessTests_float64) {
|
|
double data[] = {1.25, -1.25, 2.75, 11.0, 11100.8};
|
|
RunAccessTest<double>(kMachFloat64, data, arraysize(data));
|
|
}
|
|
|
|
|
|
TEST(RunAccessTests_Smi) {
|
|
Smi* data[] = {Smi::FromInt(-1), Smi::FromInt(-9),
|
|
Smi::FromInt(0), Smi::FromInt(666),
|
|
Smi::FromInt(77777), Smi::FromInt(Smi::kMaxValue)};
|
|
RunAccessTest<Smi*>(kMachAnyTagged, data, arraysize(data));
|
|
}
|
|
|
|
|
|
// Fills in most of the nodes of the graph in order to make tests shorter.
|
|
class TestingGraph : public HandleAndZoneScope, public GraphAndBuilders {
|
|
public:
|
|
Typer typer;
|
|
JSOperatorBuilder javascript;
|
|
JSGraph jsgraph;
|
|
Node* p0;
|
|
Node* p1;
|
|
Node* p2;
|
|
Node* start;
|
|
Node* end;
|
|
Node* ret;
|
|
|
|
explicit TestingGraph(Type* p0_type, Type* p1_type = Type::None(),
|
|
Type* p2_type = Type::None())
|
|
: GraphAndBuilders(main_zone()),
|
|
typer(main_zone()),
|
|
javascript(main_zone()),
|
|
jsgraph(graph(), common(), &javascript, &typer, machine()) {
|
|
start = graph()->NewNode(common()->Start(2));
|
|
graph()->SetStart(start);
|
|
ret =
|
|
graph()->NewNode(common()->Return(), jsgraph.Constant(0), start, start);
|
|
end = graph()->NewNode(common()->End(), ret);
|
|
graph()->SetEnd(end);
|
|
p0 = graph()->NewNode(common()->Parameter(0), start);
|
|
p1 = graph()->NewNode(common()->Parameter(1), start);
|
|
p2 = graph()->NewNode(common()->Parameter(2), start);
|
|
NodeProperties::SetBounds(p0, Bounds(p0_type));
|
|
NodeProperties::SetBounds(p1, Bounds(p1_type));
|
|
NodeProperties::SetBounds(p2, Bounds(p2_type));
|
|
}
|
|
|
|
void CheckLoweringBinop(IrOpcode::Value expected, const Operator* op) {
|
|
Node* node = Return(graph()->NewNode(op, p0, p1));
|
|
Lower();
|
|
CHECK_EQ(expected, node->opcode());
|
|
}
|
|
|
|
void CheckLoweringTruncatedBinop(IrOpcode::Value expected, const Operator* op,
|
|
const Operator* trunc) {
|
|
Node* node = graph()->NewNode(op, p0, p1);
|
|
Return(graph()->NewNode(trunc, node));
|
|
Lower();
|
|
CHECK_EQ(expected, node->opcode());
|
|
}
|
|
|
|
void Lower() {
|
|
SimplifiedLowering lowering(&jsgraph);
|
|
lowering.LowerAllNodes();
|
|
}
|
|
|
|
// Inserts the node as the return value of the graph.
|
|
Node* Return(Node* node) {
|
|
ret->ReplaceInput(0, node);
|
|
return node;
|
|
}
|
|
|
|
// Inserts the node as the effect input to the return of the graph.
|
|
void Effect(Node* node) { ret->ReplaceInput(1, node); }
|
|
|
|
Node* ExampleWithOutput(MachineType type) {
|
|
// TODO(titzer): use parameters with guaranteed representations.
|
|
if (type & kTypeInt32) {
|
|
return graph()->NewNode(machine()->Int32Add(), jsgraph.Int32Constant(1),
|
|
jsgraph.Int32Constant(1));
|
|
} else if (type & kTypeUint32) {
|
|
return graph()->NewNode(machine()->Word32Shr(), jsgraph.Int32Constant(1),
|
|
jsgraph.Int32Constant(1));
|
|
} else if (type & kRepFloat64) {
|
|
return graph()->NewNode(machine()->Float64Add(),
|
|
jsgraph.Float64Constant(1),
|
|
jsgraph.Float64Constant(1));
|
|
} else if (type & kRepBit) {
|
|
return graph()->NewNode(machine()->Word32Equal(),
|
|
jsgraph.Int32Constant(1),
|
|
jsgraph.Int32Constant(1));
|
|
} else if (type & kRepWord64) {
|
|
return graph()->NewNode(machine()->Int64Add(), Int64Constant(1),
|
|
Int64Constant(1));
|
|
} else {
|
|
CHECK(type & kRepTagged);
|
|
return p0;
|
|
}
|
|
}
|
|
|
|
Node* Use(Node* node, MachineType type) {
|
|
if (type & kTypeInt32) {
|
|
return graph()->NewNode(machine()->Int32LessThan(), node,
|
|
jsgraph.Int32Constant(1));
|
|
} else if (type & kTypeUint32) {
|
|
return graph()->NewNode(machine()->Uint32LessThan(), node,
|
|
jsgraph.Int32Constant(1));
|
|
} else if (type & kRepFloat64) {
|
|
return graph()->NewNode(machine()->Float64Add(), node,
|
|
jsgraph.Float64Constant(1));
|
|
} else if (type & kRepWord64) {
|
|
return graph()->NewNode(machine()->Int64LessThan(), node,
|
|
Int64Constant(1));
|
|
} else {
|
|
return graph()->NewNode(simplified()->ReferenceEqual(Type::Any()), node,
|
|
jsgraph.TrueConstant());
|
|
}
|
|
}
|
|
|
|
Node* Branch(Node* cond) {
|
|
Node* br = graph()->NewNode(common()->Branch(), cond, start);
|
|
Node* tb = graph()->NewNode(common()->IfTrue(), br);
|
|
Node* fb = graph()->NewNode(common()->IfFalse(), br);
|
|
Node* m = graph()->NewNode(common()->Merge(2), tb, fb);
|
|
NodeProperties::ReplaceControlInput(ret, m);
|
|
return br;
|
|
}
|
|
|
|
Node* Int64Constant(int64_t v) {
|
|
return graph()->NewNode(common()->Int64Constant(v));
|
|
}
|
|
|
|
SimplifiedOperatorBuilder* simplified() { return &main_simplified_; }
|
|
MachineOperatorBuilder* machine() { return &main_machine_; }
|
|
CommonOperatorBuilder* common() { return &main_common_; }
|
|
Graph* graph() { return main_graph_; }
|
|
};
|
|
|
|
|
|
TEST(LowerBooleanNot_bit_bit) {
|
|
// BooleanNot(x: kRepBit) used as kRepBit
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.ExampleWithOutput(kRepBit);
|
|
Node* inv = t.graph()->NewNode(t.simplified()->BooleanNot(), b);
|
|
Node* use = t.Branch(inv);
|
|
t.Lower();
|
|
Node* cmp = use->InputAt(0);
|
|
CHECK_EQ(t.machine()->WordEqual()->opcode(), cmp->opcode());
|
|
CHECK(b == cmp->InputAt(0) || b == cmp->InputAt(1));
|
|
Node* f = t.jsgraph.Int32Constant(0);
|
|
CHECK(f == cmp->InputAt(0) || f == cmp->InputAt(1));
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanNot_bit_tagged) {
|
|
// BooleanNot(x: kRepBit) used as kRepTagged
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.ExampleWithOutput(kRepBit);
|
|
Node* inv = t.graph()->NewNode(t.simplified()->BooleanNot(), b);
|
|
Node* use = t.Use(inv, kRepTagged);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kChangeBitToBool, use->InputAt(0)->opcode());
|
|
Node* cmp = use->InputAt(0)->InputAt(0);
|
|
CHECK_EQ(t.machine()->WordEqual()->opcode(), cmp->opcode());
|
|
CHECK(b == cmp->InputAt(0) || b == cmp->InputAt(1));
|
|
Node* f = t.jsgraph.Int32Constant(0);
|
|
CHECK(f == cmp->InputAt(0) || f == cmp->InputAt(1));
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanNot_tagged_bit) {
|
|
// BooleanNot(x: kRepTagged) used as kRepBit
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.p0;
|
|
Node* inv = t.graph()->NewNode(t.simplified()->BooleanNot(), b);
|
|
Node* use = t.Branch(inv);
|
|
t.Lower();
|
|
Node* cmp = use->InputAt(0);
|
|
CHECK_EQ(t.machine()->WordEqual()->opcode(), cmp->opcode());
|
|
CHECK(b == cmp->InputAt(0) || b == cmp->InputAt(1));
|
|
Node* f = t.jsgraph.FalseConstant();
|
|
CHECK(f == cmp->InputAt(0) || f == cmp->InputAt(1));
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanNot_tagged_tagged) {
|
|
// BooleanNot(x: kRepTagged) used as kRepTagged
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.p0;
|
|
Node* inv = t.graph()->NewNode(t.simplified()->BooleanNot(), b);
|
|
Node* use = t.Use(inv, kRepTagged);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kChangeBitToBool, use->InputAt(0)->opcode());
|
|
Node* cmp = use->InputAt(0)->InputAt(0);
|
|
CHECK_EQ(t.machine()->WordEqual()->opcode(), cmp->opcode());
|
|
CHECK(b == cmp->InputAt(0) || b == cmp->InputAt(1));
|
|
Node* f = t.jsgraph.FalseConstant();
|
|
CHECK(f == cmp->InputAt(0) || f == cmp->InputAt(1));
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanToNumber_bit_int32) {
|
|
// BooleanToNumber(x: kRepBit) used as kMachInt32
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.ExampleWithOutput(kRepBit);
|
|
Node* cnv = t.graph()->NewNode(t.simplified()->BooleanToNumber(), b);
|
|
Node* use = t.Use(cnv, kMachInt32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(b, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanToNumber_tagged_int32) {
|
|
// BooleanToNumber(x: kRepTagged) used as kMachInt32
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.p0;
|
|
Node* cnv = t.graph()->NewNode(t.simplified()->BooleanToNumber(), b);
|
|
Node* use = t.Use(cnv, kMachInt32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(t.machine()->WordEqual()->opcode(), cnv->opcode());
|
|
CHECK(b == cnv->InputAt(0) || b == cnv->InputAt(1));
|
|
Node* c = t.jsgraph.TrueConstant();
|
|
CHECK(c == cnv->InputAt(0) || c == cnv->InputAt(1));
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanToNumber_bit_tagged) {
|
|
// BooleanToNumber(x: kRepBit) used as kMachAnyTagged
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.ExampleWithOutput(kRepBit);
|
|
Node* cnv = t.graph()->NewNode(t.simplified()->BooleanToNumber(), b);
|
|
Node* use = t.Use(cnv, kMachAnyTagged);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(b, use->InputAt(0)->InputAt(0));
|
|
CHECK_EQ(IrOpcode::kChangeInt32ToTagged, use->InputAt(0)->opcode());
|
|
}
|
|
|
|
|
|
TEST(LowerBooleanToNumber_tagged_tagged) {
|
|
// BooleanToNumber(x: kRepTagged) used as kMachAnyTagged
|
|
TestingGraph t(Type::Boolean());
|
|
Node* b = t.p0;
|
|
Node* cnv = t.graph()->NewNode(t.simplified()->BooleanToNumber(), b);
|
|
Node* use = t.Use(cnv, kMachAnyTagged);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(cnv, use->InputAt(0)->InputAt(0));
|
|
CHECK_EQ(IrOpcode::kChangeInt32ToTagged, use->InputAt(0)->opcode());
|
|
CHECK_EQ(t.machine()->WordEqual()->opcode(), cnv->opcode());
|
|
CHECK(b == cnv->InputAt(0) || b == cnv->InputAt(1));
|
|
Node* c = t.jsgraph.TrueConstant();
|
|
CHECK(c == cnv->InputAt(0) || c == cnv->InputAt(1));
|
|
}
|
|
|
|
|
|
static Type* test_types[] = {Type::Signed32(), Type::Unsigned32(),
|
|
Type::Number(), Type::Any()};
|
|
|
|
|
|
TEST(LowerNumberCmp_to_int32) {
|
|
TestingGraph t(Type::Signed32(), Type::Signed32());
|
|
|
|
t.CheckLoweringBinop(IrOpcode::kWord32Equal, t.simplified()->NumberEqual());
|
|
t.CheckLoweringBinop(IrOpcode::kInt32LessThan,
|
|
t.simplified()->NumberLessThan());
|
|
t.CheckLoweringBinop(IrOpcode::kInt32LessThanOrEqual,
|
|
t.simplified()->NumberLessThanOrEqual());
|
|
}
|
|
|
|
|
|
TEST(LowerNumberCmp_to_uint32) {
|
|
TestingGraph t(Type::Unsigned32(), Type::Unsigned32());
|
|
|
|
t.CheckLoweringBinop(IrOpcode::kWord32Equal, t.simplified()->NumberEqual());
|
|
t.CheckLoweringBinop(IrOpcode::kUint32LessThan,
|
|
t.simplified()->NumberLessThan());
|
|
t.CheckLoweringBinop(IrOpcode::kUint32LessThanOrEqual,
|
|
t.simplified()->NumberLessThanOrEqual());
|
|
}
|
|
|
|
|
|
TEST(LowerNumberCmp_to_float64) {
|
|
static Type* types[] = {Type::Number(), Type::Any()};
|
|
|
|
for (size_t i = 0; i < arraysize(types); i++) {
|
|
TestingGraph t(types[i], types[i]);
|
|
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64Equal,
|
|
t.simplified()->NumberEqual());
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64LessThan,
|
|
t.simplified()->NumberLessThan());
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64LessThanOrEqual,
|
|
t.simplified()->NumberLessThanOrEqual());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(LowerNumberAddSub_to_int32) {
|
|
TestingGraph t(Type::Signed32(), Type::Signed32());
|
|
t.CheckLoweringTruncatedBinop(IrOpcode::kInt32Add,
|
|
t.simplified()->NumberAdd(),
|
|
t.simplified()->NumberToInt32());
|
|
t.CheckLoweringTruncatedBinop(IrOpcode::kInt32Sub,
|
|
t.simplified()->NumberSubtract(),
|
|
t.simplified()->NumberToInt32());
|
|
}
|
|
|
|
|
|
TEST(LowerNumberAddSub_to_uint32) {
|
|
TestingGraph t(Type::Unsigned32(), Type::Unsigned32());
|
|
t.CheckLoweringTruncatedBinop(IrOpcode::kInt32Add,
|
|
t.simplified()->NumberAdd(),
|
|
t.simplified()->NumberToUint32());
|
|
t.CheckLoweringTruncatedBinop(IrOpcode::kInt32Sub,
|
|
t.simplified()->NumberSubtract(),
|
|
t.simplified()->NumberToUint32());
|
|
}
|
|
|
|
|
|
TEST(LowerNumberAddSub_to_float64) {
|
|
for (size_t i = 0; i < arraysize(test_types); i++) {
|
|
TestingGraph t(test_types[i], test_types[i]);
|
|
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64Add, t.simplified()->NumberAdd());
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64Sub,
|
|
t.simplified()->NumberSubtract());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(LowerNumberDivMod_to_float64) {
|
|
for (size_t i = 0; i < arraysize(test_types); i++) {
|
|
TestingGraph t(test_types[i], test_types[i]);
|
|
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64Div, t.simplified()->NumberDivide());
|
|
t.CheckLoweringBinop(IrOpcode::kFloat64Mod,
|
|
t.simplified()->NumberModulus());
|
|
}
|
|
}
|
|
|
|
|
|
static void CheckChangeOf(IrOpcode::Value change, Node* of, Node* node) {
|
|
CHECK_EQ(change, node->opcode());
|
|
CHECK_EQ(of, node->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_nop) {
|
|
// NumberToInt32(x: kRepTagged | kTypeInt32) used as kRepTagged
|
|
TestingGraph t(Type::Signed32());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToInt32(), t.p0);
|
|
Node* use = t.Use(trunc, kRepTagged);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(t.p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_ChangeTaggedToFloat64) {
|
|
// NumberToInt32(x: kRepTagged | kTypeInt32) used as kRepFloat64
|
|
TestingGraph t(Type::Signed32());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToInt32(), t.p0);
|
|
Node* use = t.Use(trunc, kRepFloat64);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToFloat64, t.p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_ChangeTaggedToInt32) {
|
|
// NumberToInt32(x: kRepTagged | kTypeInt32) used as kRepWord32
|
|
TestingGraph t(Type::Signed32());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToInt32(), t.p0);
|
|
Node* use = t.Use(trunc, kTypeInt32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToInt32, t.p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_TruncateFloat64ToInt32) {
|
|
// NumberToInt32(x: kRepFloat64) used as kMachInt32
|
|
TestingGraph t(Type::Number());
|
|
Node* p0 = t.ExampleWithOutput(kMachFloat64);
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToInt32(), p0);
|
|
Node* use = t.Use(trunc, kMachInt32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CheckChangeOf(IrOpcode::kTruncateFloat64ToInt32, p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_TruncateFloat64ToInt32_with_change) {
|
|
// NumberToInt32(x: kTypeNumber | kRepTagged) used as kMachInt32
|
|
TestingGraph t(Type::Number());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToInt32(), t.p0);
|
|
Node* use = t.Use(trunc, kMachInt32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
Node* node = use->InputAt(0);
|
|
CHECK_EQ(IrOpcode::kTruncateFloat64ToInt32, node->opcode());
|
|
Node* of = node->InputAt(0);
|
|
CHECK_EQ(IrOpcode::kChangeTaggedToFloat64, of->opcode());
|
|
CHECK_EQ(t.p0, of->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_ChangeFloat64ToTagged) {
|
|
// TODO(titzer): NumberToInt32(x: kRepFloat64 | kTypeInt32) used as kRepTagged
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToInt32_to_ChangeFloat64ToInt32) {
|
|
// TODO(titzer): NumberToInt32(x: kRepFloat64 | kTypeInt32) used as kRepWord32
|
|
// | kTypeInt32
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_nop) {
|
|
// NumberToUint32(x: kRepTagged | kTypeUint32) used as kRepTagged
|
|
TestingGraph t(Type::Unsigned32());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToUint32(), t.p0);
|
|
Node* use = t.Use(trunc, kRepTagged);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(t.p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_ChangeTaggedToFloat64) {
|
|
// NumberToUint32(x: kRepTagged | kTypeUint32) used as kRepWord32
|
|
TestingGraph t(Type::Unsigned32());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToUint32(), t.p0);
|
|
Node* use = t.Use(trunc, kRepFloat64);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToFloat64, t.p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_ChangeTaggedToUint32) {
|
|
// NumberToUint32(x: kRepTagged | kTypeUint32) used as kRepWord32
|
|
TestingGraph t(Type::Unsigned32());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToUint32(), t.p0);
|
|
Node* use = t.Use(trunc, kTypeUint32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToUint32, t.p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_TruncateFloat64ToInt32) {
|
|
// NumberToUint32(x: kRepFloat64) used as kMachUint32
|
|
TestingGraph t(Type::Number());
|
|
Node* p0 = t.ExampleWithOutput(kMachFloat64);
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToUint32(), p0);
|
|
Node* use = t.Use(trunc, kMachUint32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CheckChangeOf(IrOpcode::kTruncateFloat64ToInt32, p0, use->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_TruncateFloat64ToInt32_with_change) {
|
|
// NumberToInt32(x: kTypeNumber | kRepTagged) used as kMachUint32
|
|
TestingGraph t(Type::Number());
|
|
Node* trunc = t.graph()->NewNode(t.simplified()->NumberToUint32(), t.p0);
|
|
Node* use = t.Use(trunc, kMachUint32);
|
|
t.Return(use);
|
|
t.Lower();
|
|
Node* node = use->InputAt(0);
|
|
CHECK_EQ(IrOpcode::kTruncateFloat64ToInt32, node->opcode());
|
|
Node* of = node->InputAt(0);
|
|
CHECK_EQ(IrOpcode::kChangeTaggedToFloat64, of->opcode());
|
|
CHECK_EQ(t.p0, of->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_ChangeFloat64ToTagged) {
|
|
// TODO(titzer): NumberToUint32(x: kRepFloat64 | kTypeUint32) used as
|
|
// kRepTagged
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_ChangeFloat64ToUint32) {
|
|
// TODO(titzer): NumberToUint32(x: kRepFloat64 | kTypeUint32) used as
|
|
// kRepWord32
|
|
}
|
|
|
|
|
|
TEST(LowerNumberToUint32_to_TruncateFloat64ToUint32) {
|
|
// TODO(titzer): NumberToUint32(x: kRepFloat64) used as kRepWord32
|
|
}
|
|
|
|
|
|
TEST(LowerReferenceEqual_to_wordeq) {
|
|
TestingGraph t(Type::Any(), Type::Any());
|
|
IrOpcode::Value opcode =
|
|
static_cast<IrOpcode::Value>(t.machine()->WordEqual()->opcode());
|
|
t.CheckLoweringBinop(opcode, t.simplified()->ReferenceEqual(Type::Any()));
|
|
}
|
|
|
|
|
|
TEST(LowerStringOps_to_call_and_compare) {
|
|
if (Pipeline::SupportedTarget()) {
|
|
// These tests need linkage for the calls.
|
|
TestingGraph t(Type::String(), Type::String());
|
|
IrOpcode::Value compare_eq =
|
|
static_cast<IrOpcode::Value>(t.machine()->WordEqual()->opcode());
|
|
IrOpcode::Value compare_lt =
|
|
static_cast<IrOpcode::Value>(t.machine()->IntLessThan()->opcode());
|
|
IrOpcode::Value compare_le = static_cast<IrOpcode::Value>(
|
|
t.machine()->IntLessThanOrEqual()->opcode());
|
|
t.CheckLoweringBinop(compare_eq, t.simplified()->StringEqual());
|
|
t.CheckLoweringBinop(compare_lt, t.simplified()->StringLessThan());
|
|
t.CheckLoweringBinop(compare_le, t.simplified()->StringLessThanOrEqual());
|
|
t.CheckLoweringBinop(IrOpcode::kCall, t.simplified()->StringAdd());
|
|
}
|
|
}
|
|
|
|
|
|
void CheckChangeInsertion(IrOpcode::Value expected, MachineType from,
|
|
MachineType to) {
|
|
TestingGraph t(Type::Any());
|
|
Node* in = t.ExampleWithOutput(from);
|
|
Node* use = t.Use(in, to);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(expected, use->InputAt(0)->opcode());
|
|
CHECK_EQ(in, use->InputAt(0)->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(InsertBasicChanges) {
|
|
CheckChangeInsertion(IrOpcode::kChangeFloat64ToInt32, kRepFloat64,
|
|
kTypeInt32);
|
|
CheckChangeInsertion(IrOpcode::kChangeFloat64ToUint32, kRepFloat64,
|
|
kTypeUint32);
|
|
CheckChangeInsertion(IrOpcode::kChangeTaggedToInt32, kRepTagged, kTypeInt32);
|
|
CheckChangeInsertion(IrOpcode::kChangeTaggedToUint32, kRepTagged,
|
|
kTypeUint32);
|
|
|
|
CheckChangeInsertion(IrOpcode::kChangeFloat64ToTagged, kRepFloat64,
|
|
kRepTagged);
|
|
CheckChangeInsertion(IrOpcode::kChangeTaggedToFloat64, kRepTagged,
|
|
kRepFloat64);
|
|
|
|
CheckChangeInsertion(IrOpcode::kChangeInt32ToFloat64, kTypeInt32,
|
|
kRepFloat64);
|
|
CheckChangeInsertion(IrOpcode::kChangeInt32ToTagged, kTypeInt32, kRepTagged);
|
|
|
|
CheckChangeInsertion(IrOpcode::kChangeUint32ToFloat64, kTypeUint32,
|
|
kRepFloat64);
|
|
CheckChangeInsertion(IrOpcode::kChangeUint32ToTagged, kTypeUint32,
|
|
kRepTagged);
|
|
}
|
|
|
|
|
|
static void CheckChangesAroundBinop(TestingGraph* t, const Operator* op,
|
|
IrOpcode::Value input_change,
|
|
IrOpcode::Value output_change) {
|
|
Node* binop = t->graph()->NewNode(op, t->p0, t->p1);
|
|
t->Return(binop);
|
|
t->Lower();
|
|
CHECK_EQ(input_change, binop->InputAt(0)->opcode());
|
|
CHECK_EQ(input_change, binop->InputAt(1)->opcode());
|
|
CHECK_EQ(t->p0, binop->InputAt(0)->InputAt(0));
|
|
CHECK_EQ(t->p1, binop->InputAt(1)->InputAt(0));
|
|
CHECK_EQ(output_change, t->ret->InputAt(0)->opcode());
|
|
CHECK_EQ(binop, t->ret->InputAt(0)->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(InsertChangesAroundInt32Binops) {
|
|
TestingGraph t(Type::Signed32(), Type::Signed32());
|
|
|
|
const Operator* ops[] = {t.machine()->Int32Add(), t.machine()->Int32Sub(),
|
|
t.machine()->Int32Mul(), t.machine()->Int32Div(),
|
|
t.machine()->Int32Mod(), t.machine()->Word32And(),
|
|
t.machine()->Word32Or(), t.machine()->Word32Xor(),
|
|
t.machine()->Word32Shl(), t.machine()->Word32Sar()};
|
|
|
|
for (size_t i = 0; i < arraysize(ops); i++) {
|
|
CheckChangesAroundBinop(&t, ops[i], IrOpcode::kChangeTaggedToInt32,
|
|
IrOpcode::kChangeInt32ToTagged);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(InsertChangesAroundInt32Cmp) {
|
|
TestingGraph t(Type::Signed32(), Type::Signed32());
|
|
|
|
const Operator* ops[] = {t.machine()->Int32LessThan(),
|
|
t.machine()->Int32LessThanOrEqual()};
|
|
|
|
for (size_t i = 0; i < arraysize(ops); i++) {
|
|
CheckChangesAroundBinop(&t, ops[i], IrOpcode::kChangeTaggedToInt32,
|
|
IrOpcode::kChangeBitToBool);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(InsertChangesAroundUint32Cmp) {
|
|
TestingGraph t(Type::Unsigned32(), Type::Unsigned32());
|
|
|
|
const Operator* ops[] = {t.machine()->Uint32LessThan(),
|
|
t.machine()->Uint32LessThanOrEqual()};
|
|
|
|
for (size_t i = 0; i < arraysize(ops); i++) {
|
|
CheckChangesAroundBinop(&t, ops[i], IrOpcode::kChangeTaggedToUint32,
|
|
IrOpcode::kChangeBitToBool);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(InsertChangesAroundFloat64Binops) {
|
|
TestingGraph t(Type::Number(), Type::Number());
|
|
|
|
const Operator* ops[] = {
|
|
t.machine()->Float64Add(), t.machine()->Float64Sub(),
|
|
t.machine()->Float64Mul(), t.machine()->Float64Div(),
|
|
t.machine()->Float64Mod(),
|
|
};
|
|
|
|
for (size_t i = 0; i < arraysize(ops); i++) {
|
|
CheckChangesAroundBinop(&t, ops[i], IrOpcode::kChangeTaggedToFloat64,
|
|
IrOpcode::kChangeFloat64ToTagged);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(InsertChangesAroundFloat64Cmp) {
|
|
TestingGraph t(Type::Number(), Type::Number());
|
|
|
|
const Operator* ops[] = {t.machine()->Float64Equal(),
|
|
t.machine()->Float64LessThan(),
|
|
t.machine()->Float64LessThanOrEqual()};
|
|
|
|
for (size_t i = 0; i < arraysize(ops); i++) {
|
|
CheckChangesAroundBinop(&t, ops[i], IrOpcode::kChangeTaggedToFloat64,
|
|
IrOpcode::kChangeBitToBool);
|
|
}
|
|
}
|
|
|
|
|
|
void CheckFieldAccessArithmetic(FieldAccess access, Node* load_or_store) {
|
|
Int32Matcher index = Int32Matcher(load_or_store->InputAt(1));
|
|
CHECK(index.Is(access.offset - access.tag()));
|
|
}
|
|
|
|
|
|
Node* CheckElementAccessArithmetic(ElementAccess access, Node* load_or_store) {
|
|
Int32BinopMatcher index(load_or_store->InputAt(1));
|
|
CHECK_EQ(IrOpcode::kInt32Add, index.node()->opcode());
|
|
CHECK(index.right().Is(access.header_size - access.tag()));
|
|
|
|
int element_size = ElementSizeOf(access.machine_type);
|
|
|
|
if (element_size != 1) {
|
|
Int32BinopMatcher mul(index.left().node());
|
|
CHECK_EQ(IrOpcode::kInt32Mul, mul.node()->opcode());
|
|
CHECK(mul.right().Is(element_size));
|
|
return mul.left().node();
|
|
} else {
|
|
return index.left().node();
|
|
}
|
|
}
|
|
|
|
|
|
static const MachineType machine_reps[] = {
|
|
kRepBit, kMachInt8, kMachInt16, kMachInt32,
|
|
kMachInt64, kMachFloat64, kMachAnyTagged};
|
|
|
|
|
|
TEST(LowerLoadField_to_load) {
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
|
|
for (size_t i = 0; i < arraysize(machine_reps); i++) {
|
|
FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Handle<Name>::null(), Type::Any(), machine_reps[i]};
|
|
|
|
Node* load =
|
|
t.graph()->NewNode(t.simplified()->LoadField(access), t.p0, t.start);
|
|
Node* use = t.Use(load, machine_reps[i]);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kLoad, load->opcode());
|
|
CHECK_EQ(t.p0, load->InputAt(0));
|
|
CheckFieldAccessArithmetic(access, load);
|
|
|
|
MachineType rep = OpParameter<MachineType>(load);
|
|
CHECK_EQ(machine_reps[i], rep);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(LowerStoreField_to_store) {
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
|
|
for (size_t i = 0; i < arraysize(machine_reps); i++) {
|
|
FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Handle<Name>::null(), Type::Any(), machine_reps[i]};
|
|
|
|
|
|
Node* val = t.ExampleWithOutput(machine_reps[i]);
|
|
Node* store = t.graph()->NewNode(t.simplified()->StoreField(access), t.p0,
|
|
val, t.start, t.start);
|
|
t.Effect(store);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kStore, store->opcode());
|
|
CHECK_EQ(val, store->InputAt(2));
|
|
CheckFieldAccessArithmetic(access, store);
|
|
|
|
StoreRepresentation rep = OpParameter<StoreRepresentation>(store);
|
|
if (machine_reps[i] & kRepTagged) {
|
|
CHECK_EQ(kFullWriteBarrier, rep.write_barrier_kind());
|
|
}
|
|
CHECK_EQ(machine_reps[i], rep.machine_type());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(LowerLoadElement_to_load) {
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
|
|
for (size_t i = 0; i < arraysize(machine_reps); i++) {
|
|
ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Type::Any(), machine_reps[i]};
|
|
|
|
Node* load =
|
|
t.graph()->NewNode(t.simplified()->LoadElement(access), t.p0, t.p1,
|
|
t.jsgraph.Int32Constant(1024), t.start);
|
|
Node* use = t.Use(load, machine_reps[i]);
|
|
t.Return(use);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kLoad, load->opcode());
|
|
CHECK_EQ(t.p0, load->InputAt(0));
|
|
CheckElementAccessArithmetic(access, load);
|
|
|
|
MachineType rep = OpParameter<MachineType>(load);
|
|
CHECK_EQ(machine_reps[i], rep);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(LowerStoreElement_to_store) {
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
|
|
for (size_t i = 0; i < arraysize(machine_reps); i++) {
|
|
ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Type::Any(), machine_reps[i]};
|
|
|
|
Node* val = t.ExampleWithOutput(machine_reps[i]);
|
|
Node* store = t.graph()->NewNode(t.simplified()->StoreElement(access), t.p0,
|
|
t.p1, t.jsgraph.Int32Constant(1024), val,
|
|
t.start, t.start);
|
|
t.Effect(store);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kStore, store->opcode());
|
|
CHECK_EQ(val, store->InputAt(2));
|
|
CheckElementAccessArithmetic(access, store);
|
|
|
|
StoreRepresentation rep = OpParameter<StoreRepresentation>(store);
|
|
if (machine_reps[i] & kRepTagged) {
|
|
CHECK_EQ(kFullWriteBarrier, rep.write_barrier_kind());
|
|
}
|
|
CHECK_EQ(machine_reps[i], rep.machine_type());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(InsertChangeForLoadElementIndex) {
|
|
// LoadElement(obj: Tagged, index: kTypeInt32 | kRepTagged, length) =>
|
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// Load(obj, Int32Add(Int32Mul(ChangeTaggedToInt32(index), #k), #k))
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TestingGraph t(Type::Any(), Type::Signed32(), Type::Any());
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ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize, Type::Any(),
|
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kMachAnyTagged};
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|
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Node* load = t.graph()->NewNode(t.simplified()->LoadElement(access), t.p0,
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t.p1, t.p2, t.start);
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t.Return(load);
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t.Lower();
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CHECK_EQ(IrOpcode::kLoad, load->opcode());
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CHECK_EQ(t.p0, load->InputAt(0));
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|
|
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Node* index = CheckElementAccessArithmetic(access, load);
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CheckChangeOf(IrOpcode::kChangeTaggedToInt32, t.p1, index);
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}
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|
|
|
|
|
TEST(InsertChangeForStoreElementIndex) {
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// StoreElement(obj: Tagged, index: kTypeInt32 | kRepTagged, length, val) =>
|
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// Store(obj, Int32Add(Int32Mul(ChangeTaggedToInt32(index), #k), #k), val)
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TestingGraph t(Type::Any(), Type::Signed32(), Type::Any());
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ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize, Type::Any(),
|
|
kMachAnyTagged};
|
|
|
|
Node* store =
|
|
t.graph()->NewNode(t.simplified()->StoreElement(access), t.p0, t.p1, t.p2,
|
|
t.jsgraph.TrueConstant(), t.start, t.start);
|
|
t.Effect(store);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kStore, store->opcode());
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|
CHECK_EQ(t.p0, store->InputAt(0));
|
|
|
|
Node* index = CheckElementAccessArithmetic(access, store);
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToInt32, t.p1, index);
|
|
}
|
|
|
|
|
|
TEST(InsertChangeForLoadElement) {
|
|
// TODO(titzer): test all load/store representation change insertions.
|
|
TestingGraph t(Type::Any(), Type::Signed32(), Type::Any());
|
|
ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize, Type::Any(),
|
|
kMachFloat64};
|
|
|
|
Node* load = t.graph()->NewNode(t.simplified()->LoadElement(access), t.p0,
|
|
t.p1, t.p1, t.start);
|
|
t.Return(load);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kLoad, load->opcode());
|
|
CHECK_EQ(t.p0, load->InputAt(0));
|
|
CheckChangeOf(IrOpcode::kChangeFloat64ToTagged, load, t.ret->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(InsertChangeForLoadField) {
|
|
// TODO(titzer): test all load/store representation change insertions.
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Handle<Name>::null(), Type::Any(), kMachFloat64};
|
|
|
|
Node* load =
|
|
t.graph()->NewNode(t.simplified()->LoadField(access), t.p0, t.start);
|
|
t.Return(load);
|
|
t.Lower();
|
|
CHECK_EQ(IrOpcode::kLoad, load->opcode());
|
|
CHECK_EQ(t.p0, load->InputAt(0));
|
|
CheckChangeOf(IrOpcode::kChangeFloat64ToTagged, load, t.ret->InputAt(0));
|
|
}
|
|
|
|
|
|
TEST(InsertChangeForStoreElement) {
|
|
// TODO(titzer): test all load/store representation change insertions.
|
|
TestingGraph t(Type::Any(), Type::Signed32(), Type::Any());
|
|
ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize, Type::Any(),
|
|
kMachFloat64};
|
|
|
|
Node* store = t.graph()->NewNode(t.simplified()->StoreElement(access), t.p0,
|
|
t.jsgraph.Int32Constant(0), t.p2, t.p1,
|
|
t.start, t.start);
|
|
t.Effect(store);
|
|
t.Lower();
|
|
|
|
CHECK_EQ(IrOpcode::kStore, store->opcode());
|
|
CHECK_EQ(t.p0, store->InputAt(0));
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToFloat64, t.p1, store->InputAt(2));
|
|
}
|
|
|
|
|
|
TEST(InsertChangeForStoreField) {
|
|
// TODO(titzer): test all load/store representation change insertions.
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Handle<Name>::null(), Type::Any(), kMachFloat64};
|
|
|
|
Node* store = t.graph()->NewNode(t.simplified()->StoreField(access), t.p0,
|
|
t.p1, t.start, t.start);
|
|
t.Effect(store);
|
|
t.Lower();
|
|
|
|
CHECK_EQ(IrOpcode::kStore, store->opcode());
|
|
CHECK_EQ(t.p0, store->InputAt(0));
|
|
CheckChangeOf(IrOpcode::kChangeTaggedToFloat64, t.p1, store->InputAt(2));
|
|
}
|
|
|
|
|
|
TEST(UpdatePhi) {
|
|
TestingGraph t(Type::Any(), Type::Signed32());
|
|
static const MachineType kMachineTypes[] = {kMachInt32, kMachUint32,
|
|
kMachFloat64};
|
|
|
|
for (size_t i = 0; i < arraysize(kMachineTypes); i++) {
|
|
FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
|
|
Handle<Name>::null(), Type::Any(), kMachineTypes[i]};
|
|
|
|
Node* load0 =
|
|
t.graph()->NewNode(t.simplified()->LoadField(access), t.p0, t.start);
|
|
Node* load1 =
|
|
t.graph()->NewNode(t.simplified()->LoadField(access), t.p1, t.start);
|
|
Node* phi = t.graph()->NewNode(t.common()->Phi(kMachAnyTagged, 2), load0,
|
|
load1, t.start);
|
|
t.Return(t.Use(phi, kMachineTypes[i]));
|
|
t.Lower();
|
|
|
|
CHECK_EQ(IrOpcode::kPhi, phi->opcode());
|
|
CHECK_EQ(RepresentationOf(kMachineTypes[i]),
|
|
RepresentationOf(OpParameter<MachineType>(phi)));
|
|
}
|
|
}
|